

Supporting information
![]() | Crystallographic Information File (CIF) https://doi.org/10.1107/S160053681103090X/bt5585sup1.cif |
![]() | Structure factor file (CIF format) https://doi.org/10.1107/S160053681103090X/bt5585Isup2.hkl |
CCDC reference: 845212
Key indicators
- Single-crystal X-ray study
- T = 200 K
- Mean
(C-C) = 0.006 Å
- Disorder in solvent or counterion
- R factor = 0.030
- wR factor = 0.062
- Data-to-parameter ratio = 17.6
checkCIF/PLATON results
No syntax errors found
Alert level B PLAT910_ALERT_3_B Missing # of FCF Reflections Below Th(Min) ..... 38 PLAT934_ALERT_3_B Number of (Iobs-Icalc)/SigmaW .gt. 10 Outliers . 6
Alert level C PLAT042_ALERT_1_C Calc. and Reported MoietyFormula Strings Differ ? PLAT230_ALERT_2_C Hirshfeld Test Diff for N2B -- C10B .. 7.0 su PLAT230_ALERT_2_C Hirshfeld Test Diff for C3A -- C4A .. 6.5 su PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for N1S PLAT420_ALERT_2_C D-H Without Acceptor N3B - H3BB ... ? PLAT913_ALERT_3_C Missing # of Very Strong Reflections in FCF .... 2 PLAT918_ALERT_3_C Reflection(s) # with I(obs) much smaller I(calc) 1
Alert level G REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is correct. If it is not, please give the correct count in the _publ_section_exptl_refinement section of the submitted CIF. From the CIF: _diffrn_reflns_theta_max 26.37 From the CIF: _reflns_number_total 11660 Count of symmetry unique reflns 6000 Completeness (_total/calc) 194.33% TEST3: Check Friedels for noncentro structure Estimate of Friedel pairs measured 5660 Fraction of Friedel pairs measured 0.943 Are heavy atom types Z>Si present yes PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 15 PLAT003_ALERT_2_G Number of Uiso or Uij Restrained Atom Sites .... 10 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF .... ? PLAT244_ALERT_4_G Low 'Solvent' Ueq as Compared to Neighbors of N2S PLAT244_ALERT_4_G Low 'Solvent' Ueq as Compared to Neighbors of N2T PLAT302_ALERT_4_G Note: Anion/Solvent Disorder ................... 83 Perc. PLAT605_ALERT_4_G Structure Contains Solvent Accessible VOIDS of . 484 A 3 PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 22 PLAT791_ALERT_4_G Note: The Model has Chirality at N2A (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at N2B (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at N3A (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at N3B (Verify) R PLAT794_ALERT_5_G Note: Tentative Bond Valency for Cu2 (II) 2.05 PLAT794_ALERT_5_G Note: Tentative Bond Valency for Cu3 (II) 2.03 PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 85 PLAT869_ALERT_4_G ALERTS Related to the use of SQUEEZE Suppressed ! PLAT917_ALERT_2_G The FCF is likely NOT based on a BASF/TWIN Flack ! PLAT961_ALERT_5_G Dataset Contains no Negative Intensities ....... !
0 ALERT level A = Most likely a serious problem - resolve or explain 2 ALERT level B = A potentially serious problem, consider carefully 7 ALERT level C = Check. Ensure it is not caused by an omission or oversight 19 ALERT level G = General information/check it is not something unexpected 1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 7 ALERT type 2 Indicator that the structure model may be wrong or deficient 5 ALERT type 3 Indicator that the structure quality may be low 11 ALERT type 4 Improvement, methodology, query or suggestion 4 ALERT type 5 Informative message, check
The synthesis of N,N-bis(3-aminopropyl)-ethylenediamine-bis(salicylaldimine) was accomplished by adding a solution of (5 g, 30.52 mmol) N,N-bis(3-aminopropyl)-ethylene-di-amine in 20 ml methanol drop-wise to the solution of (7.45 g, 61.04 mmol) salicylaldehyde. The mixture was refluxed overnight while stirring with a magnetic stirrer. Then the reaction mixture was evaporated under reduced pressure. An oily orange product was obtained which later solidified into yellow compound.
Synthesis of the complex C50H70Br2Cu3N10O6 was achieved by adding a solution of (0.97 g, 6.76 mmol) CuBr in a mixture of 20 ml methanol and 25 ml ethanol to a solution of (1.17 g, 3.06 mmol) N,N-bis(3-aminopropyl)-ethylenediamine-bis(salicylaldimine) in 20 ml of CH2Cl2 drop-wise while stirring. The reaction time was 24 h after which the reaction mixture was evaporated under reduced pressure. Dark greenish solids were obtained. These solids were then dissolved in DMF, filtered and layered with diethyl ether for crystallization. X-ray diffraction quality crystals were obtained.
H atoms were placed in geometrically idealized positions and constrained to ride on their parent atoms with a C—H distances of 0.93 to 0.99 Å and N—H distances of 0.93 Å and Uiso(H) = 1.2Ueq(C, N).
Data collection: CrysAlis CCD (Oxford Diffraction, 2009); cell refinement: CrysAlis RED (Oxford Diffraction, 2009); data reduction: CrysAlis RED (Oxford Diffraction, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
[Cu3Br(C22H28N4O2)2]Br·2C3H7NO | Dx = 1.457 Mg m−3 |
Mr = 1257.60 | Mo Kα radiation, λ = 0.71073 Å |
Hexagonal, P61 | Cell parameters from 28991 reflections |
Hall symbol: P 61 | θ = 4.6–34.8° |
a = 18.7450 (2) Å | µ = 2.55 mm−1 |
c = 28.2531 (5) Å | T = 200 K |
V = 8597.4 (2) Å3 | Hexagonal prism, dark green-brown |
Z = 6 | 0.51 × 0.42 × 0.38 mm |
F(000) = 3870 |
Oxford Diffraction Gemini R diffractometer | 11660 independent reflections |
Radiation source: Enhance (Mo) X-ray Source | 8463 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.070 |
Detector resolution: 10.5081 pixels mm-1 | θmax = 26.4°, θmin = 4.6° |
ϕ and ω scans | h = −23→23 |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2009) | k = −23→23 |
Tmin = 0.782, Tmax = 1.000 | l = −35→35 |
95983 measured reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.030 | H-atom parameters constrained |
wR(F2) = 0.062 | w = 1/[σ2(Fo2) + (0.033P)2] where P = (Fo2 + 2Fc2)/3 |
S = 0.91 | (Δ/σ)max = 0.001 |
11660 reflections | Δρmax = 0.39 e Å−3 |
662 parameters | Δρmin = −0.26 e Å−3 |
85 restraints | Absolute structure: Flack (1983), 5710 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.007 (5) |
[Cu3Br(C22H28N4O2)2]Br·2C3H7NO | Z = 6 |
Mr = 1257.60 | Mo Kα radiation |
Hexagonal, P61 | µ = 2.55 mm−1 |
a = 18.7450 (2) Å | T = 200 K |
c = 28.2531 (5) Å | 0.51 × 0.42 × 0.38 mm |
V = 8597.4 (2) Å3 |
Oxford Diffraction Gemini R diffractometer | 11660 independent reflections |
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2009) | 8463 reflections with I > 2σ(I) |
Tmin = 0.782, Tmax = 1.000 | Rint = 0.070 |
95983 measured reflections |
R[F2 > 2σ(F2)] = 0.030 | H-atom parameters constrained |
wR(F2) = 0.062 | Δρmax = 0.39 e Å−3 |
S = 0.91 | Δρmin = −0.26 e Å−3 |
11660 reflections | Absolute structure: Flack (1983), 5710 Friedel pairs |
662 parameters | Absolute structure parameter: 0.007 (5) |
85 restraints |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
Br1 | 0.89066 (2) | 0.14678 (2) | 0.176552 (13) | 0.03897 (10) | |
Br2 | 0.74921 (3) | 0.14478 (2) | −0.044701 (14) | 0.04604 (11) | |
Cu1 | 0.61482 (3) | 0.32849 (3) | 0.135041 (15) | 0.03419 (11) | |
Cu2 | 0.78094 (3) | 0.13386 (3) | 0.107128 (15) | 0.03145 (11) | |
Cu3 | 0.89767 (2) | 0.27075 (3) | 0.235668 (15) | 0.03223 (11) | |
O1A | 0.52044 (15) | 0.26481 (16) | 0.17344 (9) | 0.0477 (7) | |
O2A | 0.69414 (14) | 0.11884 (14) | 0.15022 (8) | 0.0366 (6) | |
O1B | 0.68241 (15) | 0.41100 (15) | 0.09096 (9) | 0.0404 (6) | |
O2B | 0.91309 (14) | 0.34740 (15) | 0.18618 (8) | 0.0354 (6) | |
N1A | 0.57558 (18) | 0.24489 (18) | 0.08448 (10) | 0.0335 (7) | |
N2A | 0.81810 (16) | 0.25796 (17) | 0.10297 (10) | 0.0310 (7) | |
H2AB | 0.8436 | 0.2810 | 0.1316 | 0.037* | |
N3A | 0.86311 (18) | 0.16184 (19) | 0.05401 (10) | 0.0369 (7) | |
H3AB | 0.8358 | 0.1603 | 0.0262 | 0.044* | |
N4A | 0.7301 (2) | 0.01341 (18) | 0.09708 (10) | 0.0373 (7) | |
N1B | 0.67956 (18) | 0.39345 (18) | 0.19003 (11) | 0.0366 (7) | |
N2B | 0.77206 (16) | 0.23279 (17) | 0.23541 (10) | 0.0316 (7) | |
H2BB | 0.7489 | 0.2025 | 0.2080 | 0.038* | |
N3B | 0.86762 (18) | 0.19830 (18) | 0.29376 (11) | 0.0369 (7) | |
H3BB | 0.8682 | 0.2306 | 0.3189 | 0.044* | |
N4B | 1.01824 (18) | 0.32127 (19) | 0.24628 (10) | 0.0340 (7) | |
C1A | 0.4522 (2) | 0.1967 (2) | 0.16353 (14) | 0.0379 (9) | |
C2A | 0.3885 (3) | 0.1640 (3) | 0.19581 (16) | 0.0483 (11) | |
H2AA | 0.3952 | 0.1912 | 0.2252 | 0.058* | |
C3A | 0.3148 (3) | 0.0923 (3) | 0.18639 (18) | 0.0561 (12) | |
H3AA | 0.2719 | 0.0717 | 0.2093 | 0.067* | |
C4A | 0.3029 (3) | 0.0503 (3) | 0.14385 (18) | 0.0548 (12) | |
H4AA | 0.2526 | 0.0010 | 0.1374 | 0.066* | |
C5A | 0.3655 (2) | 0.0818 (2) | 0.11174 (16) | 0.0470 (11) | |
H5AA | 0.3579 | 0.0534 | 0.0827 | 0.056* | |
C6A | 0.4402 (2) | 0.1539 (2) | 0.11959 (14) | 0.0371 (9) | |
C7A | 0.5029 (2) | 0.1788 (2) | 0.08426 (14) | 0.0392 (10) | |
H7AA | 0.4903 | 0.1434 | 0.0577 | 0.047* | |
C8A | 0.6293 (2) | 0.2537 (3) | 0.04497 (13) | 0.0388 (9) | |
H8AA | 0.6594 | 0.3119 | 0.0347 | 0.047* | |
H8AB | 0.5954 | 0.2200 | 0.0180 | 0.047* | |
C9A | 0.6915 (2) | 0.2267 (2) | 0.05827 (13) | 0.0359 (9) | |
H9AA | 0.6608 | 0.1684 | 0.0685 | 0.043* | |
H9AB | 0.7233 | 0.2296 | 0.0296 | 0.043* | |
C10A | 0.7520 (2) | 0.2777 (2) | 0.09742 (13) | 0.0309 (8) | |
H10A | 0.7766 | 0.3370 | 0.0899 | 0.037* | |
H10B | 0.7218 | 0.2672 | 0.1277 | 0.037* | |
C11A | 0.8822 (2) | 0.2975 (2) | 0.06630 (14) | 0.0388 (9) | |
H11A | 0.9216 | 0.3551 | 0.0754 | 0.047* | |
H11B | 0.8567 | 0.2980 | 0.0357 | 0.047* | |
C12A | 0.9270 (2) | 0.2491 (2) | 0.06150 (14) | 0.0401 (9) | |
H12A | 0.9654 | 0.2697 | 0.0343 | 0.048* | |
H12B | 0.9590 | 0.2548 | 0.0905 | 0.048* | |
C13A | 0.8980 (3) | 0.1078 (3) | 0.04635 (15) | 0.0497 (11) | |
H13A | 0.9301 | 0.1095 | 0.0746 | 0.060* | |
H13B | 0.9361 | 0.1284 | 0.0190 | 0.060* | |
C14A | 0.8327 (3) | 0.0214 (3) | 0.03727 (15) | 0.0538 (12) | |
H14A | 0.8588 | −0.0101 | 0.0259 | 0.065* | |
H14B | 0.7962 | 0.0210 | 0.0118 | 0.065* | |
C15A | 0.7814 (3) | −0.0209 (3) | 0.08029 (15) | 0.0511 (11) | |
H15A | 0.7450 | −0.0800 | 0.0729 | 0.061* | |
H15B | 0.8185 | −0.0172 | 0.1063 | 0.061* | |
C16A | 0.6539 (2) | −0.0364 (2) | 0.10388 (13) | 0.0384 (9) | |
H16A | 0.6337 | −0.0916 | 0.0939 | 0.046* | |
C17A | 0.5946 (2) | −0.0182 (2) | 0.12504 (13) | 0.0358 (8) | |
C18A | 0.5128 (2) | −0.0815 (2) | 0.12627 (14) | 0.0449 (10) | |
H18A | 0.4980 | −0.1320 | 0.1107 | 0.054* | |
C19A | 0.4536 (2) | −0.0734 (3) | 0.14896 (16) | 0.0514 (11) | |
H19A | 0.3979 | −0.1168 | 0.1487 | 0.062* | |
C20A | 0.4760 (2) | −0.0002 (3) | 0.17263 (15) | 0.0452 (10) | |
H20A | 0.4351 | 0.0061 | 0.1889 | 0.054* | |
C21A | 0.5553 (2) | 0.0624 (2) | 0.17298 (15) | 0.0424 (10) | |
H21A | 0.5687 | 0.1115 | 0.1897 | 0.051* | |
C22A | 0.6180 (2) | 0.0567 (2) | 0.14935 (12) | 0.0309 (8) | |
C1B | 0.7506 (2) | 0.4813 (2) | 0.09864 (14) | 0.0383 (9) | |
C2B | 0.7961 (2) | 0.5279 (2) | 0.05984 (15) | 0.0445 (10) | |
H2BA | 0.7775 | 0.5078 | 0.0288 | 0.053* | |
C3B | 0.8672 (3) | 0.6021 (3) | 0.06554 (19) | 0.0562 (12) | |
H3BA | 0.8974 | 0.6316 | 0.0384 | 0.067* | |
C4B | 0.8959 (3) | 0.6350 (3) | 0.1102 (2) | 0.0591 (12) | |
H4BA | 0.9440 | 0.6875 | 0.1139 | 0.071* | |
C5B | 0.8525 (3) | 0.5892 (2) | 0.14919 (18) | 0.0536 (12) | |
H5BA | 0.8719 | 0.6104 | 0.1800 | 0.064* | |
C6B | 0.7802 (2) | 0.5119 (2) | 0.14443 (15) | 0.0377 (9) | |
C7B | 0.7438 (2) | 0.4664 (2) | 0.18719 (14) | 0.0383 (10) | |
H7BA | 0.7693 | 0.4924 | 0.2162 | 0.046* | |
C8B | 0.6577 (2) | 0.3565 (2) | 0.23718 (14) | 0.0395 (9) | |
H8BA | 0.6001 | 0.3409 | 0.2444 | 0.047* | |
H8BB | 0.6938 | 0.3973 | 0.2610 | 0.047* | |
C9B | 0.6671 (2) | 0.2805 (2) | 0.24022 (13) | 0.0331 (8) | |
H9BA | 0.6347 | 0.2418 | 0.2146 | 0.040* | |
H9BB | 0.6447 | 0.2525 | 0.2708 | 0.040* | |
C10B | 0.7567 (2) | 0.3023 (2) | 0.23597 (13) | 0.0297 (8) | |
H10C | 0.7795 | 0.3344 | 0.2065 | 0.036* | |
H10D | 0.7877 | 0.3388 | 0.2628 | 0.036* | |
C11B | 0.7338 (2) | 0.1768 (2) | 0.27697 (14) | 0.0408 (9) | |
H11C | 0.7345 | 0.2091 | 0.3048 | 0.049* | |
H11D | 0.6757 | 0.1357 | 0.2698 | 0.049* | |
C12B | 0.7810 (2) | 0.1338 (2) | 0.28765 (14) | 0.0398 (9) | |
H12C | 0.7599 | 0.1007 | 0.3169 | 0.048* | |
H12D | 0.7757 | 0.0967 | 0.2613 | 0.048* | |
C13B | 0.9210 (3) | 0.1646 (3) | 0.30828 (15) | 0.0494 (11) | |
H13C | 0.9189 | 0.1257 | 0.2839 | 0.059* | |
H13D | 0.9004 | 0.1340 | 0.3384 | 0.059* | |
C14B | 1.0095 (2) | 0.2337 (3) | 0.31471 (14) | 0.0476 (10) | |
H14C | 1.0100 | 0.2757 | 0.3361 | 0.057* | |
H14D | 1.0413 | 0.2110 | 0.3302 | 0.057* | |
C15B | 1.0516 (2) | 0.2746 (3) | 0.26925 (14) | 0.0470 (10) | |
H15C | 1.1108 | 0.3123 | 0.2758 | 0.056* | |
H15D | 1.0475 | 0.2318 | 0.2470 | 0.056* | |
C16B | 1.0690 (2) | 0.3952 (2) | 0.23404 (13) | 0.0370 (9) | |
H16B | 1.1240 | 0.4169 | 0.2447 | 0.044* | |
C17B | 1.0528 (2) | 0.4498 (2) | 0.20587 (12) | 0.0328 (9) | |
C18B | 1.1168 (2) | 0.5309 (2) | 0.19848 (14) | 0.0428 (10) | |
H18B | 1.1675 | 0.5495 | 0.2147 | 0.051* | |
C19B | 1.1089 (3) | 0.5836 (2) | 0.16907 (17) | 0.0542 (12) | |
H19B | 1.1534 | 0.6380 | 0.1645 | 0.065* | |
C20B | 1.0348 (3) | 0.5570 (2) | 0.14577 (16) | 0.0486 (11) | |
H20B | 1.0286 | 0.5937 | 0.1252 | 0.058* | |
C21B | 0.9708 (2) | 0.4791 (2) | 0.15188 (14) | 0.0410 (10) | |
H21B | 0.9206 | 0.4623 | 0.1354 | 0.049* | |
C22B | 0.9771 (2) | 0.4226 (2) | 0.18211 (12) | 0.0321 (8) | |
O1S | 0.91150 (16) | 0.37375 (17) | 0.31116 (10) | 0.0474 (7) | |
N1S | 1.01679 (18) | 0.5040 (2) | 0.32238 (12) | 0.0432 (8) | |
C11S | 0.9451 (2) | 0.4480 (3) | 0.30412 (14) | 0.0453 (10) | |
H11E | 0.9177 | 0.4672 | 0.2839 | 0.054* | |
C12S | 1.0533 (3) | 0.5915 (3) | 0.31260 (19) | 0.0672 (14) | |
H12E | 1.0121 | 0.6019 | 0.2977 | 0.101* | |
H12F | 1.1003 | 0.6092 | 0.2913 | 0.101* | |
H12G | 1.0719 | 0.6225 | 0.3423 | 0.101* | |
C13S | 1.0625 (3) | 0.4780 (3) | 0.35186 (19) | 0.0731 (14) | |
H13E | 1.0376 | 0.4180 | 0.3500 | 0.110* | |
H13F | 1.0612 | 0.4940 | 0.3847 | 0.110* | |
H13G | 1.1197 | 0.5043 | 0.3409 | 0.110* | |
O2S | 0.2671 (7) | 0.1242 (6) | 0.2966 (3) | 0.107 (3) | 0.603 (5) |
N2S | 0.2666 (6) | 0.0724 (9) | 0.3677 (4) | 0.067 (2) | 0.603 (5) |
C21S | 0.2957 (7) | 0.1004 (6) | 0.3245 (4) | 0.088 (2) | 0.603 (5) |
H21C | 0.3448 | 0.1008 | 0.3156 | 0.105* | 0.603 (5) |
C22S | 0.3171 (7) | 0.0563 (7) | 0.3991 (4) | 0.096 (3) | 0.603 (5) |
H22A | 0.3734 | 0.0823 | 0.3867 | 0.143* | 0.603 (5) |
H22B | 0.2947 | −0.0033 | 0.4016 | 0.143* | 0.603 (5) |
H22C | 0.3176 | 0.0789 | 0.4305 | 0.143* | 0.603 (5) |
C23S | 0.1892 (6) | 0.0658 (7) | 0.3821 (5) | 0.112 (3) | 0.603 (5) |
H23A | 0.1712 | 0.0909 | 0.3580 | 0.167* | 0.603 (5) |
H23B | 0.1968 | 0.0944 | 0.4124 | 0.167* | 0.603 (5) |
H23C | 0.1474 | 0.0076 | 0.3858 | 0.167* | 0.603 (5) |
O2T | 0.2328 (10) | 0.0872 (10) | 0.2965 (5) | 0.107 (3) | 0.397 (5) |
N2T | 0.2414 (11) | 0.0553 (14) | 0.3716 (5) | 0.067 (2) | 0.397 (5) |
C21T | 0.2120 (10) | 0.0795 (9) | 0.3365 (5) | 0.088 (2) | 0.397 (5) |
H21D | 0.1701 | 0.0920 | 0.3441 | 0.105* | 0.397 (5) |
C22T | 0.1978 (10) | 0.0412 (10) | 0.4154 (6) | 0.096 (3) | 0.397 (5) |
H22D | 0.1405 | 0.0259 | 0.4090 | 0.143* | 0.397 (5) |
H22E | 0.2241 | 0.0915 | 0.4346 | 0.143* | 0.397 (5) |
H22F | 0.1990 | −0.0036 | 0.4327 | 0.143* | 0.397 (5) |
C23T | 0.3184 (10) | 0.0576 (13) | 0.3674 (8) | 0.112 (3) | 0.397 (5) |
H23D | 0.3537 | 0.1008 | 0.3450 | 0.167* | 0.397 (5) |
H23E | 0.3090 | 0.0042 | 0.3560 | 0.167* | 0.397 (5) |
H23F | 0.3454 | 0.0694 | 0.3984 | 0.167* | 0.397 (5) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.0436 (2) | 0.0452 (2) | 0.0341 (2) | 0.02668 (19) | −0.00490 (18) | −0.00110 (18) |
Br2 | 0.0450 (2) | 0.0467 (2) | 0.0418 (2) | 0.0194 (2) | −0.00779 (19) | −0.00269 (19) |
Cu1 | 0.0310 (2) | 0.0342 (3) | 0.0389 (3) | 0.0175 (2) | −0.0050 (2) | −0.0046 (2) |
Cu2 | 0.0293 (2) | 0.0329 (2) | 0.0330 (2) | 0.0161 (2) | 0.0025 (2) | 0.0023 (2) |
Cu3 | 0.0261 (2) | 0.0359 (3) | 0.0321 (2) | 0.0136 (2) | −0.0004 (2) | 0.0037 (2) |
O1A | 0.0366 (16) | 0.0515 (17) | 0.0465 (16) | 0.0156 (14) | 0.0016 (13) | −0.0051 (14) |
O2A | 0.0281 (14) | 0.0340 (14) | 0.0425 (15) | 0.0116 (12) | 0.0029 (11) | −0.0039 (12) |
O1B | 0.0407 (15) | 0.0363 (15) | 0.0426 (15) | 0.0179 (14) | −0.0059 (12) | −0.0002 (12) |
O2B | 0.0262 (13) | 0.0373 (15) | 0.0348 (14) | 0.0100 (12) | −0.0015 (11) | 0.0037 (11) |
N1A | 0.0340 (18) | 0.0340 (18) | 0.0395 (19) | 0.0222 (16) | −0.0054 (14) | −0.0021 (14) |
N2A | 0.0252 (16) | 0.0350 (17) | 0.0322 (16) | 0.0145 (14) | −0.0003 (13) | −0.0006 (14) |
N3A | 0.0414 (19) | 0.048 (2) | 0.0290 (17) | 0.0279 (17) | −0.0007 (14) | 0.0055 (15) |
N4A | 0.045 (2) | 0.0344 (18) | 0.0372 (18) | 0.0232 (17) | 0.0011 (15) | 0.0002 (14) |
N1B | 0.0349 (18) | 0.0343 (18) | 0.043 (2) | 0.0190 (16) | −0.0025 (14) | −0.0029 (15) |
N2B | 0.0270 (15) | 0.0278 (16) | 0.0315 (16) | 0.0072 (13) | 0.0026 (13) | 0.0030 (13) |
N3B | 0.0396 (18) | 0.0419 (18) | 0.0325 (17) | 0.0229 (16) | −0.0014 (14) | −0.0012 (15) |
N4B | 0.0303 (17) | 0.042 (2) | 0.0282 (17) | 0.0175 (16) | −0.0020 (13) | −0.0029 (14) |
C1A | 0.027 (2) | 0.037 (2) | 0.054 (3) | 0.0186 (19) | −0.0086 (19) | −0.003 (2) |
C2A | 0.042 (3) | 0.050 (3) | 0.053 (3) | 0.023 (2) | 0.004 (2) | 0.006 (2) |
C3A | 0.040 (3) | 0.052 (3) | 0.080 (4) | 0.026 (2) | 0.009 (2) | 0.028 (3) |
C4A | 0.041 (3) | 0.046 (3) | 0.073 (3) | 0.018 (2) | −0.007 (2) | 0.004 (2) |
C5A | 0.038 (2) | 0.039 (2) | 0.067 (3) | 0.021 (2) | −0.005 (2) | 0.003 (2) |
C6A | 0.031 (2) | 0.030 (2) | 0.052 (2) | 0.0168 (18) | −0.0063 (19) | 0.0022 (19) |
C7A | 0.042 (2) | 0.037 (2) | 0.045 (2) | 0.024 (2) | −0.012 (2) | −0.0070 (18) |
C8A | 0.039 (2) | 0.050 (2) | 0.034 (2) | 0.0273 (19) | −0.0106 (18) | −0.0094 (18) |
C9A | 0.038 (2) | 0.040 (2) | 0.034 (2) | 0.0232 (19) | −0.0067 (17) | −0.0078 (17) |
C10A | 0.0275 (19) | 0.034 (2) | 0.035 (2) | 0.0176 (17) | 0.0009 (16) | −0.0029 (17) |
C11A | 0.031 (2) | 0.039 (2) | 0.039 (2) | 0.0113 (18) | 0.0029 (18) | 0.0072 (18) |
C12A | 0.026 (2) | 0.050 (2) | 0.041 (2) | 0.0161 (19) | 0.0058 (17) | 0.0151 (19) |
C13A | 0.059 (3) | 0.065 (3) | 0.044 (2) | 0.045 (3) | 0.016 (2) | 0.012 (2) |
C14A | 0.071 (3) | 0.064 (3) | 0.048 (3) | 0.050 (3) | 0.008 (2) | 0.000 (2) |
C15A | 0.058 (3) | 0.052 (3) | 0.053 (3) | 0.035 (2) | 0.008 (2) | −0.003 (2) |
C16A | 0.044 (2) | 0.028 (2) | 0.042 (2) | 0.016 (2) | −0.0022 (19) | −0.0006 (18) |
C17A | 0.032 (2) | 0.038 (2) | 0.036 (2) | 0.0161 (18) | −0.0067 (17) | 0.0022 (17) |
C18A | 0.041 (2) | 0.031 (2) | 0.049 (3) | 0.0086 (19) | −0.007 (2) | −0.0006 (19) |
C19A | 0.027 (2) | 0.048 (3) | 0.064 (3) | 0.007 (2) | −0.002 (2) | 0.013 (2) |
C20A | 0.031 (2) | 0.053 (3) | 0.053 (3) | 0.022 (2) | 0.0028 (19) | 0.009 (2) |
C21A | 0.033 (2) | 0.038 (2) | 0.054 (3) | 0.0161 (19) | 0.000 (2) | −0.003 (2) |
C22A | 0.027 (2) | 0.030 (2) | 0.030 (2) | 0.0103 (17) | −0.0013 (16) | 0.0080 (16) |
C1B | 0.036 (2) | 0.036 (2) | 0.051 (3) | 0.024 (2) | 0.001 (2) | 0.002 (2) |
C2B | 0.039 (2) | 0.046 (3) | 0.051 (3) | 0.023 (2) | −0.001 (2) | 0.006 (2) |
C3B | 0.046 (3) | 0.059 (3) | 0.074 (3) | 0.033 (2) | 0.014 (3) | 0.023 (3) |
C4B | 0.040 (2) | 0.042 (3) | 0.082 (4) | 0.010 (2) | −0.001 (3) | 0.009 (3) |
C5B | 0.047 (3) | 0.036 (2) | 0.073 (3) | 0.017 (2) | −0.012 (2) | −0.003 (2) |
C6B | 0.027 (2) | 0.032 (2) | 0.056 (3) | 0.0163 (18) | −0.0030 (19) | 0.003 (2) |
C7B | 0.036 (2) | 0.031 (2) | 0.052 (3) | 0.020 (2) | −0.0107 (19) | −0.0129 (19) |
C8B | 0.040 (2) | 0.039 (2) | 0.042 (2) | 0.0210 (19) | −0.0048 (19) | −0.0127 (19) |
C9B | 0.0275 (19) | 0.029 (2) | 0.041 (2) | 0.0136 (17) | 0.0014 (17) | −0.0029 (17) |
C10B | 0.0305 (19) | 0.0244 (18) | 0.034 (2) | 0.0140 (16) | −0.0057 (16) | −0.0006 (16) |
C11B | 0.035 (2) | 0.040 (2) | 0.044 (2) | 0.0161 (19) | 0.0076 (18) | 0.0119 (19) |
C12B | 0.037 (2) | 0.037 (2) | 0.041 (2) | 0.0156 (19) | 0.0087 (18) | 0.0129 (18) |
C13B | 0.053 (3) | 0.061 (3) | 0.043 (2) | 0.035 (2) | 0.006 (2) | 0.021 (2) |
C14B | 0.043 (2) | 0.066 (3) | 0.040 (2) | 0.033 (2) | −0.0040 (19) | 0.007 (2) |
C15B | 0.030 (2) | 0.060 (3) | 0.049 (3) | 0.021 (2) | −0.0094 (19) | 0.001 (2) |
C16B | 0.0233 (19) | 0.050 (3) | 0.034 (2) | 0.0159 (19) | −0.0038 (17) | −0.012 (2) |
C17B | 0.033 (2) | 0.036 (2) | 0.028 (2) | 0.0171 (18) | −0.0011 (16) | −0.0096 (16) |
C18B | 0.035 (2) | 0.041 (2) | 0.047 (2) | 0.015 (2) | −0.0027 (19) | −0.018 (2) |
C19B | 0.043 (3) | 0.027 (2) | 0.081 (3) | 0.009 (2) | 0.013 (2) | −0.002 (2) |
C20B | 0.051 (3) | 0.031 (2) | 0.063 (3) | 0.020 (2) | 0.002 (2) | 0.000 (2) |
C21B | 0.033 (2) | 0.039 (2) | 0.050 (2) | 0.0174 (19) | 0.0007 (19) | −0.001 (2) |
C22B | 0.029 (2) | 0.033 (2) | 0.032 (2) | 0.0141 (18) | 0.0039 (17) | −0.0042 (17) |
O1S | 0.0400 (16) | 0.0433 (18) | 0.0516 (17) | 0.0155 (14) | 0.0030 (13) | −0.0044 (14) |
N1S | 0.0308 (18) | 0.042 (2) | 0.051 (2) | 0.0142 (17) | −0.0042 (16) | −0.0107 (16) |
C11S | 0.035 (2) | 0.057 (3) | 0.046 (3) | 0.025 (2) | 0.002 (2) | −0.008 (2) |
C12S | 0.049 (3) | 0.049 (3) | 0.092 (4) | 0.015 (2) | 0.007 (3) | −0.007 (3) |
C13S | 0.063 (3) | 0.071 (3) | 0.075 (3) | 0.027 (3) | −0.032 (3) | −0.019 (3) |
O2S | 0.121 (6) | 0.112 (7) | 0.082 (3) | 0.055 (5) | −0.004 (4) | −0.004 (4) |
N2S | 0.066 (6) | 0.049 (5) | 0.078 (3) | 0.022 (5) | 0.006 (3) | 0.006 (3) |
C21S | 0.104 (5) | 0.087 (5) | 0.079 (5) | 0.053 (4) | −0.009 (4) | −0.012 (4) |
C22S | 0.099 (5) | 0.083 (5) | 0.106 (5) | 0.047 (4) | 0.009 (4) | 0.029 (4) |
C23S | 0.105 (6) | 0.108 (6) | 0.119 (6) | 0.050 (5) | 0.018 (5) | −0.002 (5) |
O2T | 0.121 (6) | 0.112 (7) | 0.082 (3) | 0.055 (5) | −0.004 (4) | −0.004 (4) |
N2T | 0.066 (6) | 0.049 (5) | 0.078 (3) | 0.022 (5) | 0.006 (3) | 0.006 (3) |
C21T | 0.104 (5) | 0.087 (5) | 0.079 (5) | 0.053 (4) | −0.009 (4) | −0.012 (4) |
C22T | 0.099 (5) | 0.083 (5) | 0.106 (5) | 0.047 (4) | 0.009 (4) | 0.029 (4) |
C23T | 0.105 (6) | 0.108 (6) | 0.119 (6) | 0.050 (5) | 0.018 (5) | −0.002 (5) |
Br1—Cu2 | 2.7636 (6) | C21A—C22A | 1.401 (5) |
Br1—Cu3 | 2.8108 (6) | C21A—H21A | 0.9500 |
Cu1—O1B | 1.895 (3) | C1B—C2B | 1.396 (5) |
Cu1—O1A | 1.903 (3) | C1B—C6B | 1.411 (5) |
Cu1—N1A | 1.971 (3) | C2B—C3B | 1.372 (6) |
Cu1—N1B | 1.973 (3) | C2B—H2BA | 0.9500 |
Cu2—O2A | 1.937 (2) | C3B—C4B | 1.390 (6) |
Cu2—N4A | 1.984 (3) | C3B—H3BA | 0.9500 |
Cu2—N3A | 2.023 (3) | C4B—C5B | 1.383 (6) |
Cu2—N2A | 2.071 (3) | C4B—H4BA | 0.9500 |
Cu3—O2B | 1.920 (2) | C5B—C6B | 1.412 (5) |
Cu3—N4B | 1.989 (3) | C5B—H5BA | 0.9500 |
Cu3—N3B | 2.022 (3) | C6B—C7B | 1.439 (5) |
Cu3—N2B | 2.092 (3) | C7B—H7BA | 0.9500 |
O1A—C1A | 1.309 (4) | C8B—C9B | 1.521 (5) |
O2A—C22A | 1.316 (4) | C8B—H8BA | 0.9900 |
O1B—C1B | 1.316 (4) | C8B—H8BB | 0.9900 |
O2B—C22B | 1.323 (4) | C9B—C10B | 1.522 (5) |
N1A—C7A | 1.304 (5) | C9B—H9BA | 0.9900 |
N1A—C8A | 1.457 (4) | C9B—H9BB | 0.9900 |
N2A—C10A | 1.468 (4) | C10B—H10C | 0.9900 |
N2A—C11A | 1.475 (4) | C10B—H10D | 0.9900 |
N2A—H2AB | 0.9300 | C11B—C12B | 1.496 (5) |
N3A—C13A | 1.470 (5) | C11B—H11C | 0.9900 |
N3A—C12A | 1.482 (5) | C11B—H11D | 0.9900 |
N3A—H3AB | 0.9300 | C12B—H12C | 0.9900 |
N4A—C16A | 1.271 (4) | C12B—H12D | 0.9900 |
N4A—C15A | 1.478 (5) | C13B—C14B | 1.521 (6) |
N1B—C7B | 1.296 (4) | C13B—H13C | 0.9900 |
N1B—C8B | 1.462 (5) | C13B—H13D | 0.9900 |
N2B—C10B | 1.469 (4) | C14B—C15B | 1.502 (5) |
N2B—C11B | 1.498 (4) | C14B—H14C | 0.9900 |
N2B—H2BB | 0.9300 | C14B—H14D | 0.9900 |
N3B—C12B | 1.471 (4) | C15B—H15C | 0.9900 |
N3B—C13B | 1.483 (5) | C15B—H15D | 0.9900 |
N3B—H3BB | 0.9300 | C16B—C17B | 1.444 (5) |
N4B—C16B | 1.275 (4) | C16B—H16B | 0.9500 |
N4B—C15B | 1.458 (5) | C17B—C18B | 1.403 (5) |
C1A—C2A | 1.379 (5) | C17B—C22B | 1.414 (5) |
C1A—C6A | 1.433 (5) | C18B—C19B | 1.355 (6) |
C2A—C3A | 1.389 (6) | C18B—H18B | 0.9500 |
C2A—H2AA | 0.9500 | C19B—C20B | 1.384 (6) |
C3A—C4A | 1.393 (6) | C19B—H19B | 0.9500 |
C3A—H3AA | 0.9500 | C20B—C21B | 1.361 (5) |
C4A—C5A | 1.362 (6) | C20B—H20B | 0.9500 |
C4A—H4AA | 0.9500 | C21B—C22B | 1.410 (5) |
C5A—C6A | 1.394 (5) | C21B—H21B | 0.9500 |
C5A—H5AA | 0.9500 | O1S—C11S | 1.223 (5) |
C6A—C7A | 1.431 (5) | N1S—C11S | 1.328 (5) |
C7A—H7AA | 0.9500 | N1S—C13S | 1.443 (5) |
C8A—C9A | 1.532 (5) | N1S—C12S | 1.454 (5) |
C8A—H8AA | 0.9900 | C11S—H11E | 0.9500 |
C8A—H8AB | 0.9900 | C12S—H12E | 0.9800 |
C9A—C10A | 1.530 (5) | C12S—H12F | 0.9800 |
C9A—H9AA | 0.9900 | C12S—H12G | 0.9800 |
C9A—H9AB | 0.9900 | C13S—H13E | 0.9800 |
C10A—H10A | 0.9900 | C13S—H13F | 0.9800 |
C10A—H10B | 0.9900 | C13S—H13G | 0.9800 |
C11A—C12A | 1.518 (5) | O2S—C21S | 1.160 (11) |
C11A—H11A | 0.9900 | N2S—C21S | 1.334 (11) |
C11A—H11B | 0.9900 | N2S—C22S | 1.435 (11) |
C12A—H12A | 0.9900 | N2S—C23S | 1.450 (13) |
C12A—H12B | 0.9900 | C21S—H21C | 0.9500 |
C13A—C14A | 1.485 (6) | C22S—H22A | 0.9800 |
C13A—H13A | 0.9900 | C22S—H22B | 0.9800 |
C13A—H13B | 0.9900 | C22S—H22C | 0.9800 |
C14A—C15A | 1.506 (6) | C23S—H23A | 0.9800 |
C14A—H14A | 0.9900 | C23S—H23B | 0.9800 |
C14A—H14B | 0.9900 | C23S—H23C | 0.9800 |
C15A—H15A | 0.9900 | O2T—C21T | 1.179 (14) |
C15A—H15B | 0.9900 | N2T—C21T | 1.320 (13) |
C16A—C17A | 1.444 (5) | N2T—C23T | 1.428 (17) |
C16A—H16A | 0.9500 | N2T—C22T | 1.435 (15) |
C17A—C18A | 1.395 (5) | C21T—H21D | 0.9500 |
C17A—C22A | 1.422 (5) | C22T—H22D | 0.9800 |
C18A—C19A | 1.355 (6) | C22T—H22E | 0.9800 |
C18A—H18A | 0.9500 | C22T—H22F | 0.9800 |
C19A—C20A | 1.388 (6) | C23T—H23D | 0.9800 |
C19A—H19A | 0.9500 | C23T—H23E | 0.9800 |
C20A—C21A | 1.357 (5) | C23T—H23F | 0.9800 |
C20A—H20A | 0.9500 | ||
Cu2—Br1—Cu3 | 102.672 (17) | C18A—C19A—C20A | 118.6 (4) |
O1B—Cu1—O1A | 156.87 (11) | C18A—C19A—H19A | 120.7 |
O1B—Cu1—N1A | 90.23 (12) | C20A—C19A—H19A | 120.7 |
O1A—Cu1—N1A | 93.11 (12) | C21A—C20A—C19A | 121.2 (4) |
O1B—Cu1—N1B | 93.44 (12) | C21A—C20A—H20A | 119.4 |
O1A—Cu1—N1B | 91.73 (12) | C19A—C20A—H20A | 119.4 |
N1A—Cu1—N1B | 158.65 (12) | C20A—C21A—C22A | 121.9 (4) |
O2A—Cu2—N4A | 91.93 (11) | C20A—C21A—H21A | 119.0 |
O2A—Cu2—N3A | 168.39 (11) | C22A—C21A—H21A | 119.0 |
N4A—Cu2—N3A | 93.40 (12) | O2A—C22A—C21A | 120.3 (3) |
O2A—Cu2—N2A | 89.16 (10) | O2A—C22A—C17A | 123.0 (3) |
N4A—Cu2—N2A | 166.07 (12) | C21A—C22A—C17A | 116.7 (3) |
N3A—Cu2—N2A | 83.21 (12) | O1B—C1B—C2B | 118.7 (4) |
O2A—Cu2—Br1 | 95.79 (8) | O1B—C1B—C6B | 123.1 (3) |
N4A—Cu2—Br1 | 96.58 (9) | C2B—C1B—C6B | 118.2 (3) |
N3A—Cu2—Br1 | 93.84 (9) | C3B—C2B—C1B | 121.5 (4) |
N2A—Cu2—Br1 | 97.13 (8) | C3B—C2B—H2BA | 119.3 |
O2B—Cu3—N4B | 92.49 (11) | C1B—C2B—H2BA | 119.3 |
O2B—Cu3—N3B | 168.65 (11) | C2B—C3B—C4B | 121.4 (4) |
N4B—Cu3—N3B | 93.79 (12) | C2B—C3B—H3BA | 119.3 |
O2B—Cu3—N2B | 88.55 (10) | C4B—C3B—H3BA | 119.3 |
N4B—Cu3—N2B | 168.69 (12) | C5B—C4B—C3B | 118.0 (4) |
N3B—Cu3—N2B | 83.46 (11) | C5B—C4B—H4BA | 121.0 |
O2B—Cu3—Br1 | 96.50 (7) | C3B—C4B—H4BA | 121.0 |
N4B—Cu3—Br1 | 93.18 (9) | C4B—C5B—C6B | 121.8 (4) |
N3B—Cu3—Br1 | 92.58 (9) | C4B—C5B—H5BA | 119.1 |
N2B—Cu3—Br1 | 97.90 (8) | C6B—C5B—H5BA | 119.1 |
C1A—O1A—Cu1 | 129.7 (2) | C1B—C6B—C5B | 119.0 (4) |
C22A—O2A—Cu2 | 125.3 (2) | C1B—C6B—C7B | 123.7 (3) |
C1B—O1B—Cu1 | 128.8 (2) | C5B—C6B—C7B | 117.1 (4) |
C22B—O2B—Cu3 | 125.3 (2) | N1B—C7B—C6B | 126.3 (3) |
C7A—N1A—C8A | 116.0 (3) | N1B—C7B—H7BA | 116.8 |
C7A—N1A—Cu1 | 123.8 (3) | C6B—C7B—H7BA | 116.8 |
C8A—N1A—Cu1 | 120.2 (2) | N1B—C8B—C9B | 111.1 (3) |
C10A—N2A—C11A | 112.1 (3) | N1B—C8B—H8BA | 109.4 |
C10A—N2A—Cu2 | 115.9 (2) | C9B—C8B—H8BA | 109.4 |
C11A—N2A—Cu2 | 109.6 (2) | N1B—C8B—H8BB | 109.4 |
C10A—N2A—H2AB | 106.2 | C9B—C8B—H8BB | 109.4 |
C11A—N2A—H2AB | 106.2 | H8BA—C8B—H8BB | 108.0 |
Cu2—N2A—H2AB | 106.2 | C8B—C9B—C10B | 111.9 (3) |
C13A—N3A—C12A | 112.9 (3) | C8B—C9B—H9BA | 109.2 |
C13A—N3A—Cu2 | 118.3 (2) | C10B—C9B—H9BA | 109.2 |
C12A—N3A—Cu2 | 105.7 (2) | C8B—C9B—H9BB | 109.2 |
C13A—N3A—H3AB | 106.4 | C10B—C9B—H9BB | 109.2 |
C12A—N3A—H3AB | 106.4 | H9BA—C9B—H9BB | 107.9 |
Cu2—N3A—H3AB | 106.4 | N2B—C10B—C9B | 116.3 (3) |
C16A—N4A—C15A | 117.8 (3) | N2B—C10B—H10C | 108.2 |
C16A—N4A—Cu2 | 122.6 (2) | C9B—C10B—H10C | 108.2 |
C15A—N4A—Cu2 | 119.6 (3) | N2B—C10B—H10D | 108.2 |
C7B—N1B—C8B | 116.7 (3) | C9B—C10B—H10D | 108.2 |
C7B—N1B—Cu1 | 124.2 (3) | H10C—C10B—H10D | 107.4 |
C8B—N1B—Cu1 | 119.0 (2) | C12B—C11B—N2B | 109.3 (3) |
C10B—N2B—C11B | 112.1 (3) | C12B—C11B—H11C | 109.8 |
C10B—N2B—Cu3 | 112.6 (2) | N2B—C11B—H11C | 109.8 |
C11B—N2B—Cu3 | 107.4 (2) | C12B—C11B—H11D | 109.8 |
C10B—N2B—H2BB | 108.2 | N2B—C11B—H11D | 109.8 |
C11B—N2B—H2BB | 108.2 | H11C—C11B—H11D | 108.3 |
Cu3—N2B—H2BB | 108.2 | N3B—C12B—C11B | 106.8 (3) |
C12B—N3B—C13B | 112.6 (3) | N3B—C12B—H12C | 110.4 |
C12B—N3B—Cu3 | 106.2 (2) | C11B—C12B—H12C | 110.4 |
C13B—N3B—Cu3 | 119.3 (2) | N3B—C12B—H12D | 110.4 |
C12B—N3B—H3BB | 105.9 | C11B—C12B—H12D | 110.4 |
C13B—N3B—H3BB | 105.9 | H12C—C12B—H12D | 108.6 |
Cu3—N3B—H3BB | 105.9 | N3B—C13B—C14B | 110.6 (3) |
C16B—N4B—C15B | 117.5 (3) | N3B—C13B—H13C | 109.5 |
C16B—N4B—Cu3 | 122.0 (2) | C14B—C13B—H13C | 109.5 |
C15B—N4B—Cu3 | 120.5 (2) | N3B—C13B—H13D | 109.5 |
O1A—C1A—C2A | 119.9 (4) | C14B—C13B—H13D | 109.5 |
O1A—C1A—C6A | 122.3 (3) | H13C—C13B—H13D | 108.1 |
C2A—C1A—C6A | 117.7 (3) | C15B—C14B—C13B | 113.8 (3) |
C1A—C2A—C3A | 121.7 (4) | C15B—C14B—H14C | 108.8 |
C1A—C2A—H2AA | 119.2 | C13B—C14B—H14C | 108.8 |
C3A—C2A—H2AA | 119.2 | C15B—C14B—H14D | 108.8 |
C2A—C3A—C4A | 120.9 (4) | C13B—C14B—H14D | 108.8 |
C2A—C3A—H3AA | 119.6 | H14C—C14B—H14D | 107.7 |
C4A—C3A—H3AA | 119.6 | N4B—C15B—C14B | 114.4 (3) |
C5A—C4A—C3A | 118.0 (4) | N4B—C15B—H15C | 108.7 |
C5A—C4A—H4AA | 121.0 | C14B—C15B—H15C | 108.7 |
C3A—C4A—H4AA | 121.0 | N4B—C15B—H15D | 108.7 |
C4A—C5A—C6A | 123.0 (4) | C14B—C15B—H15D | 108.7 |
C4A—C5A—H5AA | 118.5 | H15C—C15B—H15D | 107.6 |
C6A—C5A—H5AA | 118.5 | N4B—C16B—C17B | 127.8 (3) |
C5A—C6A—C7A | 118.0 (4) | N4B—C16B—H16B | 116.1 |
C5A—C6A—C1A | 118.7 (4) | C17B—C16B—H16B | 116.1 |
C7A—C6A—C1A | 123.2 (3) | C18B—C17B—C22B | 118.7 (3) |
N1A—C7A—C6A | 127.2 (4) | C18B—C17B—C16B | 118.8 (3) |
N1A—C7A—H7AA | 116.4 | C22B—C17B—C16B | 122.3 (3) |
C6A—C7A—H7AA | 116.4 | C19B—C18B—C17B | 122.3 (4) |
N1A—C8A—C9A | 111.9 (3) | C19B—C18B—H18B | 118.8 |
N1A—C8A—H8AA | 109.2 | C17B—C18B—H18B | 118.8 |
C9A—C8A—H8AA | 109.2 | C18B—C19B—C20B | 119.0 (4) |
N1A—C8A—H8AB | 109.2 | C18B—C19B—H19B | 120.5 |
C9A—C8A—H8AB | 109.2 | C20B—C19B—H19B | 120.5 |
H8AA—C8A—H8AB | 107.9 | C21B—C20B—C19B | 120.9 (4) |
C10A—C9A—C8A | 114.8 (3) | C21B—C20B—H20B | 119.5 |
C10A—C9A—H9AA | 108.6 | C19B—C20B—H20B | 119.5 |
C8A—C9A—H9AA | 108.6 | C20B—C21B—C22B | 121.5 (4) |
C10A—C9A—H9AB | 108.6 | C20B—C21B—H21B | 119.3 |
C8A—C9A—H9AB | 108.6 | C22B—C21B—H21B | 119.3 |
H9AA—C9A—H9AB | 107.5 | O2B—C22B—C21B | 118.7 (3) |
N2A—C10A—C9A | 112.0 (3) | O2B—C22B—C17B | 123.7 (3) |
N2A—C10A—H10A | 109.2 | C21B—C22B—C17B | 117.6 (3) |
C9A—C10A—H10A | 109.2 | C11S—N1S—C13S | 119.7 (4) |
N2A—C10A—H10B | 109.2 | C11S—N1S—C12S | 122.5 (4) |
C9A—C10A—H10B | 109.2 | C13S—N1S—C12S | 117.9 (3) |
H10A—C10A—H10B | 107.9 | O1S—C11S—N1S | 125.3 (4) |
N2A—C11A—C12A | 108.5 (3) | O1S—C11S—H11E | 117.4 |
N2A—C11A—H11A | 110.0 | N1S—C11S—H11E | 117.4 |
C12A—C11A—H11A | 110.0 | N1S—C12S—H12E | 109.5 |
N2A—C11A—H11B | 110.0 | N1S—C12S—H12F | 109.5 |
C12A—C11A—H11B | 110.0 | H12E—C12S—H12F | 109.5 |
H11A—C11A—H11B | 108.4 | N1S—C12S—H12G | 109.5 |
N3A—C12A—C11A | 106.8 (3) | H12E—C12S—H12G | 109.5 |
N3A—C12A—H12A | 110.4 | H12F—C12S—H12G | 109.5 |
C11A—C12A—H12A | 110.4 | N1S—C13S—H13E | 109.5 |
N3A—C12A—H12B | 110.4 | N1S—C13S—H13F | 109.5 |
C11A—C12A—H12B | 110.4 | H13E—C13S—H13F | 109.5 |
H12A—C12A—H12B | 108.6 | N1S—C13S—H13G | 109.5 |
N3A—C13A—C14A | 111.6 (3) | H13E—C13S—H13G | 109.5 |
N3A—C13A—H13A | 109.3 | H13F—C13S—H13G | 109.5 |
C14A—C13A—H13A | 109.3 | C21S—N2S—C22S | 117.7 (10) |
N3A—C13A—H13B | 109.3 | C21S—N2S—C23S | 119.1 (10) |
C14A—C13A—H13B | 109.3 | C22S—N2S—C23S | 123.0 (10) |
H13A—C13A—H13B | 108.0 | O2S—C21S—N2S | 126.6 (12) |
C13A—C14A—C15A | 113.4 (4) | O2S—C21S—H21C | 116.7 |
C13A—C14A—H14A | 108.9 | N2S—C21S—H21C | 116.7 |
C15A—C14A—H14A | 108.9 | C21T—N2T—C23T | 121.2 (15) |
C13A—C14A—H14B | 108.9 | C21T—N2T—C22T | 114.6 (15) |
C15A—C14A—H14B | 108.9 | C23T—N2T—C22T | 123.4 (14) |
H14A—C14A—H14B | 107.7 | O2T—C21T—N2T | 126.3 (17) |
N4A—C15A—C14A | 114.4 (3) | O2T—C21T—H21D | 116.8 |
N4A—C15A—H15A | 108.7 | N2T—C21T—H21D | 116.8 |
C14A—C15A—H15A | 108.7 | N2T—C22T—H22D | 109.5 |
N4A—C15A—H15B | 108.7 | N2T—C22T—H22E | 109.5 |
C14A—C15A—H15B | 108.7 | H22D—C22T—H22E | 109.5 |
H15A—C15A—H15B | 107.6 | N2T—C22T—H22F | 109.5 |
N4A—C16A—C17A | 127.1 (3) | H22D—C22T—H22F | 109.5 |
N4A—C16A—H16A | 116.4 | H22E—C22T—H22F | 109.5 |
C17A—C16A—H16A | 116.4 | N2T—C23T—H23D | 109.5 |
C18A—C17A—C22A | 119.6 (3) | N2T—C23T—H23E | 109.5 |
C18A—C17A—C16A | 117.3 (3) | H23D—C23T—H23E | 109.5 |
C22A—C17A—C16A | 122.7 (3) | N2T—C23T—H23F | 109.5 |
C19A—C18A—C17A | 122.0 (4) | H23D—C23T—H23F | 109.5 |
C19A—C18A—H18A | 119.0 | H23E—C23T—H23F | 109.5 |
C17A—C18A—H18A | 119.0 | ||
Cu3—Br1—Cu2—O2A | −52.80 (7) | C8A—N1A—C7A—C6A | 177.2 (3) |
Cu3—Br1—Cu2—N4A | −145.43 (9) | Cu1—N1A—C7A—C6A | −1.2 (5) |
Cu3—Br1—Cu2—N3A | 120.70 (9) | C5A—C6A—C7A—N1A | 178.1 (3) |
Cu3—Br1—Cu2—N2A | 37.07 (8) | C1A—C6A—C7A—N1A | −5.5 (6) |
Cu2—Br1—Cu3—O2B | −47.97 (7) | C7A—N1A—C8A—C9A | −99.0 (4) |
Cu2—Br1—Cu3—N4B | −140.84 (9) | Cu1—N1A—C8A—C9A | 79.5 (3) |
Cu2—Br1—Cu3—N3B | 125.21 (8) | N1A—C8A—C9A—C10A | −62.8 (4) |
Cu2—Br1—Cu3—N2B | 41.46 (8) | C11A—N2A—C10A—C9A | 78.5 (4) |
O1B—Cu1—O1A—C1A | 89.5 (4) | Cu2—N2A—C10A—C9A | −48.5 (3) |
N1A—Cu1—O1A—C1A | −8.4 (3) | C8A—C9A—C10A—N2A | −170.5 (3) |
N1B—Cu1—O1A—C1A | −167.6 (3) | C10A—N2A—C11A—C12A | −157.2 (3) |
N4A—Cu2—O2A—C22A | −28.0 (3) | Cu2—N2A—C11A—C12A | −26.9 (3) |
N3A—Cu2—O2A—C22A | 89.4 (6) | C13A—N3A—C12A—C11A | 177.1 (3) |
N2A—Cu2—O2A—C22A | 138.1 (3) | Cu2—N3A—C12A—C11A | −52.1 (3) |
Br1—Cu2—O2A—C22A | −124.8 (3) | N2A—C11A—C12A—N3A | 52.6 (4) |
O1A—Cu1—O1B—C1B | 107.1 (4) | C12A—N3A—C13A—C14A | −178.0 (3) |
N1A—Cu1—O1B—C1B | −154.4 (3) | Cu2—N3A—C13A—C14A | 57.9 (4) |
N1B—Cu1—O1B—C1B | 4.6 (3) | N3A—C13A—C14A—C15A | −70.2 (4) |
N4B—Cu3—O2B—C22B | −26.6 (3) | C16A—N4A—C15A—C14A | 128.7 (4) |
N3B—Cu3—O2B—C22B | 97.0 (6) | Cu2—N4A—C15A—C14A | −50.3 (4) |
N2B—Cu3—O2B—C22B | 142.1 (3) | C13A—C14A—C15A—N4A | 66.5 (5) |
Br1—Cu3—O2B—C22B | −120.1 (2) | C15A—N4A—C16A—C17A | 172.5 (4) |
O1B—Cu1—N1A—C7A | −150.6 (3) | Cu2—N4A—C16A—C17A | −8.5 (5) |
O1A—Cu1—N1A—C7A | 6.5 (3) | N4A—C16A—C17A—C18A | 176.1 (4) |
N1B—Cu1—N1A—C7A | 109.3 (4) | N4A—C16A—C17A—C22A | −12.0 (6) |
O1B—Cu1—N1A—C8A | 31.0 (2) | C22A—C17A—C18A—C19A | 1.8 (6) |
O1A—Cu1—N1A—C8A | −171.9 (2) | C16A—C17A—C18A—C19A | 174.1 (4) |
N1B—Cu1—N1A—C8A | −69.1 (4) | C17A—C18A—C19A—C20A | −1.6 (6) |
O2A—Cu2—N2A—C10A | −44.3 (2) | C18A—C19A—C20A—C21A | 0.4 (6) |
N4A—Cu2—N2A—C10A | 50.3 (6) | C19A—C20A—C21A—C22A | 0.5 (6) |
N3A—Cu2—N2A—C10A | 126.9 (2) | Cu2—O2A—C22A—C21A | −162.7 (3) |
Br1—Cu2—N2A—C10A | −140.1 (2) | Cu2—O2A—C22A—C17A | 17.2 (5) |
O2A—Cu2—N2A—C11A | −172.5 (2) | C20A—C21A—C22A—O2A | 179.6 (3) |
N4A—Cu2—N2A—C11A | −77.9 (5) | C20A—C21A—C22A—C17A | −0.3 (6) |
N3A—Cu2—N2A—C11A | −1.3 (2) | C18A—C17A—C22A—O2A | 179.2 (3) |
Br1—Cu2—N2A—C11A | 91.8 (2) | C16A—C17A—C22A—O2A | 7.5 (5) |
O2A—Cu2—N3A—C13A | −153.7 (5) | C18A—C17A—C22A—C21A | −0.9 (5) |
N4A—Cu2—N3A—C13A | −36.5 (3) | C16A—C17A—C22A—C21A | −172.6 (3) |
N2A—Cu2—N3A—C13A | 157.1 (3) | Cu1—O1B—C1B—C2B | 171.7 (2) |
Br1—Cu2—N3A—C13A | 60.3 (3) | Cu1—O1B—C1B—C6B | −8.0 (5) |
O2A—Cu2—N3A—C12A | 78.7 (6) | O1B—C1B—C2B—C3B | 179.3 (3) |
N4A—Cu2—N3A—C12A | −164.1 (2) | C6B—C1B—C2B—C3B | −1.0 (5) |
N2A—Cu2—N3A—C12A | 29.5 (2) | C1B—C2B—C3B—C4B | −1.6 (6) |
Br1—Cu2—N3A—C12A | −67.3 (2) | C2B—C3B—C4B—C5B | 2.6 (6) |
O2A—Cu2—N4A—C16A | 23.2 (3) | C3B—C4B—C5B—C6B | −1.2 (6) |
N3A—Cu2—N4A—C16A | −146.5 (3) | O1B—C1B—C6B—C5B | −177.9 (3) |
N2A—Cu2—N4A—C16A | −71.1 (6) | C2B—C1B—C6B—C5B | 2.3 (5) |
Br1—Cu2—N4A—C16A | 119.3 (3) | O1B—C1B—C6B—C7B | 6.1 (6) |
O2A—Cu2—N4A—C15A | −157.8 (3) | C2B—C1B—C6B—C7B | −173.7 (3) |
N3A—Cu2—N4A—C15A | 32.5 (3) | C4B—C5B—C6B—C1B | −1.3 (6) |
N2A—Cu2—N4A—C15A | 107.9 (5) | C4B—C5B—C6B—C7B | 175.0 (4) |
Br1—Cu2—N4A—C15A | −61.7 (3) | C8B—N1B—C7B—C6B | 174.9 (3) |
O1B—Cu1—N1B—C7B | 0.2 (3) | Cu1—N1B—C7B—C6B | −1.5 (5) |
O1A—Cu1—N1B—C7B | −157.3 (3) | C1B—C6B—C7B—N1B | −1.2 (6) |
N1A—Cu1—N1B—C7B | 99.6 (4) | C5B—C6B—C7B—N1B | −177.2 (3) |
O1B—Cu1—N1B—C8B | −176.2 (2) | C7B—N1B—C8B—C9B | −114.7 (3) |
O1A—Cu1—N1B—C8B | 26.3 (3) | Cu1—N1B—C8B—C9B | 61.9 (3) |
N1A—Cu1—N1B—C8B | −76.7 (4) | N1B—C8B—C9B—C10B | 66.7 (4) |
O2B—Cu3—N2B—C10B | −47.5 (2) | C11B—N2B—C10B—C9B | −53.5 (4) |
N4B—Cu3—N2B—C10B | 47.9 (7) | Cu3—N2B—C10B—C9B | −174.8 (2) |
N3B—Cu3—N2B—C10B | 124.4 (2) | C8B—C9B—C10B—N2B | −176.2 (3) |
Br1—Cu3—N2B—C10B | −143.9 (2) | C10B—N2B—C11B—C12B | −153.5 (3) |
O2B—Cu3—N2B—C11B | −171.4 (2) | Cu3—N2B—C11B—C12B | −29.3 (3) |
N4B—Cu3—N2B—C11B | −76.0 (6) | C13B—N3B—C12B—C11B | 175.5 (3) |
N3B—Cu3—N2B—C11B | 0.5 (2) | Cu3—N3B—C12B—C11B | −52.1 (3) |
Br1—Cu3—N2B—C11B | 92.3 (2) | N2B—C11B—C12B—N3B | 54.5 (4) |
O2B—Cu3—N3B—C12B | 73.8 (6) | C12B—N3B—C13B—C14B | −179.3 (3) |
N4B—Cu3—N3B—C12B | −162.7 (2) | Cu3—N3B—C13B—C14B | 55.2 (4) |
N2B—Cu3—N3B—C12B | 28.3 (2) | N3B—C13B—C14B—C15B | −69.3 (4) |
Br1—Cu3—N3B—C12B | −69.4 (2) | C16B—N4B—C15B—C14B | 129.3 (4) |
O2B—Cu3—N3B—C13B | −157.7 (5) | Cu3—N4B—C15B—C14B | −49.8 (4) |
N4B—Cu3—N3B—C13B | −34.2 (3) | C13B—C14B—C15B—N4B | 67.2 (5) |
N2B—Cu3—N3B—C13B | 156.8 (3) | C15B—N4B—C16B—C17B | 171.6 (4) |
Br1—Cu3—N3B—C13B | 59.2 (3) | Cu3—N4B—C16B—C17B | −9.3 (5) |
O2B—Cu3—N4B—C16B | 22.2 (3) | N4B—C16B—C17B—C18B | 176.7 (3) |
N3B—Cu3—N4B—C16B | −148.3 (3) | N4B—C16B—C17B—C22B | −9.0 (6) |
N2B—Cu3—N4B—C16B | −72.8 (7) | C22B—C17B—C18B—C19B | −0.7 (5) |
Br1—Cu3—N4B—C16B | 118.9 (3) | C16B—C17B—C18B—C19B | 173.9 (4) |
O2B—Cu3—N4B—C15B | −158.7 (3) | C17B—C18B—C19B—C20B | 0.6 (6) |
N3B—Cu3—N4B—C15B | 30.7 (3) | C18B—C19B—C20B—C21B | −0.4 (6) |
N2B—Cu3—N4B—C15B | 106.3 (6) | C19B—C20B—C21B—C22B | 0.1 (6) |
Br1—Cu3—N4B—C15B | −62.1 (3) | Cu3—O2B—C22B—C21B | −163.7 (2) |
Cu1—O1A—C1A—C2A | −175.0 (3) | Cu3—O2B—C22B—C17B | 17.3 (5) |
Cu1—O1A—C1A—C6A | 4.6 (5) | C20B—C21B—C22B—O2B | −179.2 (3) |
O1A—C1A—C2A—C3A | 179.2 (3) | C20B—C21B—C22B—C17B | −0.2 (5) |
C6A—C1A—C2A—C3A | −0.3 (5) | C18B—C17B—C22B—O2B | 179.4 (3) |
C1A—C2A—C3A—C4A | 0.6 (6) | C16B—C17B—C22B—O2B | 5.1 (5) |
C2A—C3A—C4A—C5A | −0.4 (6) | C18B—C17B—C22B—C21B | 0.4 (5) |
C3A—C4A—C5A—C6A | −0.1 (6) | C16B—C17B—C22B—C21B | −173.9 (3) |
C4A—C5A—C6A—C7A | 177.0 (4) | C13S—N1S—C11S—O1S | 2.2 (6) |
C4A—C5A—C6A—C1A | 0.4 (6) | C12S—N1S—C11S—O1S | −179.9 (4) |
O1A—C1A—C6A—C5A | −179.7 (3) | C22S—N2S—C21S—O2S | −171.6 (12) |
C2A—C1A—C6A—C5A | −0.2 (5) | C23S—N2S—C21S—O2S | 4 (2) |
O1A—C1A—C6A—C7A | 3.9 (5) | C23T—N2T—C21T—O2T | 18 (3) |
C2A—C1A—C6A—C7A | −176.5 (3) | C22T—N2T—C21T—O2T | −172.4 (18) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2A—H2AB···O2B | 0.93 | 2.00 | 2.919 (4) | 170 |
N3A—H3AB···Br2 | 0.93 | 2.50 | 3.429 (3) | 174 |
N2B—H2BB···O2A | 0.93 | 2.14 | 3.061 (4) | 172 |
N3B—H3BB···O1S | 0.93 | 2.39 | 3.005 (4) | 123 |
Experimental details
Crystal data | |
Chemical formula | [Cu3Br(C22H28N4O2)2]Br·2C3H7NO |
Mr | 1257.60 |
Crystal system, space group | Hexagonal, P61 |
Temperature (K) | 200 |
a, c (Å) | 18.7450 (2), 28.2531 (5) |
V (Å3) | 8597.4 (2) |
Z | 6 |
Radiation type | Mo Kα |
µ (mm−1) | 2.55 |
Crystal size (mm) | 0.51 × 0.42 × 0.38 |
Data collection | |
Diffractometer | Oxford Diffraction Gemini R diffractometer |
Absorption correction | Multi-scan (CrysAlis RED; Oxford Diffraction, 2009) |
Tmin, Tmax | 0.782, 1.000 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 95983, 11660, 8463 |
Rint | 0.070 |
(sin θ/λ)max (Å−1) | 0.625 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.030, 0.062, 0.91 |
No. of reflections | 11660 |
No. of parameters | 662 |
No. of restraints | 85 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.39, −0.26 |
Absolute structure | Flack (1983), 5710 Friedel pairs |
Absolute structure parameter | 0.007 (5) |
Computer programs: CrysAlis CCD (Oxford Diffraction, 2009), CrysAlis RED (Oxford Diffraction, 2009), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2A—H2AB···O2B | 0.93 | 2.00 | 2.919 (4) | 169.7 |
N3A—H3AB···Br2 | 0.93 | 2.50 | 3.429 (3) | 174.1 |
N2B—H2BB···O2A | 0.93 | 2.14 | 3.061 (4) | 172.2 |
N3B—H3BB···O1S | 0.93 | 2.39 | 3.005 (4) | 123.2 |
Copper is one of the late transition metals that are essential to the life of animals and plants (Miessler & Tarr, 2005). The metal is present in a number of enzymes such as tyrosinase, amine oxidase, laccase, ascorbate oxidase, ceruloplasmin, superoxide dismutase, nitrile reductase and plastocyanin (Miessler & Tarr, 2005). There are three types of copper atoms present in enzymes, namely Type (I), Type (II) and Type (III). Type (I) copper is responsible for the blue color of blue oxidases and shows an intense visible absorption band near 600 nm (Miessler & Tarr, 2005; Mukherjee et al. 2003), while Type II contains normal tetragonally distorted Cu(II) (Pompidor et al. 2008). Type III contains two strongly antiferromagnetically coupled Cu(II) centers and is diagmagetic (Li et al. 2009). The role of Type (I) copper is to transfer electrons to the tri-nuclear unit in ascorbate oxidase for a simultaneous four-electron reduction of dioxygen (O2) (Yoon et al. 2005). The tri-nuclear cluster of the enzymes is comprised of a Type (II) copper center and a Type (III) coupled binuclear site in relatively close proximity where oxygen reduction is effected (Yoon et al. 2005; Solomon et al. 1996; Chen et al. 2010; Lawton et al. 2009; Hakulinen et al., 2008). Generally, the multinuclear copper complexes that are in the group of metalloenzymes are used to catalyze the four-electron reduction of O2 to H2O (Yoon et al. 2005; Mukherjee et al. 2003; Mirica et al. 2005; Augustine et al. 2010; Chaudhuri et al. 1992; Chen et al. 2010).
A number of researchers have synthesized or studied model complexes of multicopper oxidases. Paine et al. 2004 synthesized and characterized seven copper (II) complexes with a ligand 2,2'-selonobis(4,6-di-tert-butylphenol) (H2L). Two of the complexes were found to belong to the asymmetric tri-nuclear copper (II) complexes modeling the tri-nuclear copper site in multi-copper oxidases. Other researchers that have studied model complexes of multi-copper oxidases include, Cole et al. 1996. Kataoka et al. 2009 studied the mechanism of the four-electron reduction of dioxygen by a multi-copper oxidase.
The title compound C50H69Br2Cu3N10O6 is a mimic of the multi-copper enzymes such as ascorbate oxidase which is a tri-nuclear copper complex that is engaged in dioxygen (O2) activation and subsequent substrate oxidation (Solomon et al. 1996). The complex consists of two copper (II) cations bridged by a bromide anion and is thus a model for the type III site and one distorted 4-coordinate copper center and thus a model for the type II site. Taken together this comprises a model for the multi-copper oxidases which consists of a type III and type II site in close proximity. In the present case the distances from type II model center, Cu1, to the two Cu's (Cu2 and Cu3) comprising a model for the type III site are respectively 5.915 (1) and 6.565 (1) Å. The type II copper center Cu(1) is considerably distorted from square planar coordination geometry with the dihedral angle between the two chelate planes being 69.21 (7)°. The two remaining Cu's are both square pyramidal with the bridging Br in the apical position in each coordination sphere (τ values are 0.0297 (2) and 0.0386 (2), respectively [Addison et al., 1984]).
There are two molecules of N,N-dimethylformamide (DMF) present as solvent molecules, one of which is disordered over two equivalent conformations with occupancies of 0.603 (5) and 0.397 (5). The amine H's are involved in both inter- and intramolecular hydrogen bonding interactions with the Br and O's of the copper cluster as well as the O of the ordered DMF.