
Acta Cryst. (2008). E64, m169 [ doi:10.1107/S1600536807065713 ]
4-4,4'-oxydiphthalato-tetrakis[
2-1,1'-(p-phenylenedimethylene)di-1H-imidazole]tetracopper(II)] monohydrate]In the title compound, {[Cu4(C16H6O9)2(C14H14N4)4]·H2O}n, the water molecule is disordered over two positions; site-occupancy factors were fixed at 0.25. The CuII atom exhibits a square-planar coordination geometry with two O atoms of the two 4,4'-oxydiphthalate ligands and two N atoms of the two 1,4-bis(imidazol-1-ylmethyl)benzene groups. A three-dimensional honeycomb framework structure is formed. Aromatic
-
stacking interactions are observed, with a centroid-centroid distance of 3.373 (5) Å.
The compound, (I), was synthesized hydrothermally in a Teflon-lined autoclave (23 ml) by heating a mixture of H4ODPA (0.1 mmol), BIX (0.1 mmol), Cu(NO3)2.4H2O (0.2 mmol) and one drop of Et3N (pH ~ 8–9) in water (10 ml) at 393 K for 3 d. Blue single crystals were collected in 55% yield based on Cu(NO3)2.4H2O.
When the crystal structure was solved, the water molecule was found to be disordered. During refinement, the occupancies of disordered O and H atoms were kept fixed as 0.25. H atoms were positioned geometrically, with O—H = 0.85 Å (for H2O) and C—H = 0.93 and 0.97 Å for aromatic and methylene H, and constrained to ride on their parent atoms, with Uiso(H) = 1.2Ueq(C,O).
Data collection: APEX2 (Bruker, 2005); cell refinement: SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 2005); software used to prepare material for publication: SHELXTL (Bruker, 2005).
| [Cu4(C16H6O9)2(C14H14N4)4]·H2O | F000 = 1956 |
| Mr = 1909.76 | Dx = 1.475 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation λ = 0.71073 Å |
| Hall symbol: -P 2yn | Cell parameters from 2326 reflections |
| a = 18.750 (3) Å | θ = 4.8–40.6º |
| b = 10.3283 (17) Å | µ = 1.06 mm−1 |
| c = 22.386 (4) Å | T = 294 (2) K |
| β = 97.388 (3)º | Block, blue |
| V = 4299.1 (13) Å3 | 0.22 × 0.18 × 0.16 mm |
| Z = 2 |
| Bruker APEXII CCD area-detector diffractometer | 4497 reflections with I > 2σ(I) |
| Radiation source: fine-focus sealed tube | Rint = 0.068 |
| Monochromator: graphite | θmax = 25.0º |
| T = 294(2) K | θmin = 2.2º |
| φ and ω scans | h = −21→22 |
| Absorption correction: none | k = −12→11 |
| 18013 measured reflections | l = −26→21 |
| 7404 independent 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)] = 0.064 | H-atom parameters constrained |
| wR(F2) = 0.169 | w = 1/[σ2(Fo2) + (0.070P)2] where P = (Fo2 + 2Fc2)/3 |
| S = 1.02 | (Δ/σ)max = 0.001 |
| 7404 reflections | Δρmax = 0.75 e Å−3 |
| 586 parameters | Δρmin = −0.45 e Å−3 |
| Primary atom site location: structure-invariant direct methods | Extinction correction: none |
| [Cu4(C16H6O9)2(C14H14N4)4]·H2O | V = 4299.1 (13) Å3 |
| Mr = 1909.76 | Z = 2 |
| Monoclinic, P21/n | Mo Kα |
| a = 18.750 (3) Å | µ = 1.06 mm−1 |
| b = 10.3283 (17) Å | T = 294 (2) K |
| c = 22.386 (4) Å | 0.22 × 0.18 × 0.16 mm |
| β = 97.388 (3)º |
| Bruker APEXII CCD area-detector diffractometer | 7404 independent reflections |
| Absorption correction: none | 4497 reflections with I > 2σ(I) |
| 18013 measured reflections | Rint = 0.068 |
| R[F2 > 2σ(F2)] = 0.064 | ? restraints |
| wR(F2) = 0.169 | H-atom parameters constrained |
| S = 1.02 | Δρmax = 0.75 e Å−3 |
| 7404 reflections | Δρmin = −0.45 e Å−3 |
| 586 parameters |
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) | |
| Cu1 | 0.89629 (4) | 0.53392 (7) | 0.32168 (3) | 0.0318 (2) | |
| Cu2 | 0.76895 (4) | 0.45820 (7) | 0.61410 (3) | 0.0365 (2) | |
| O1 | 0.2712 (2) | 0.0667 (5) | 0.2379 (2) | 0.0592 (14) | |
| O2 | 0.3459 (2) | 0.1096 (4) | 0.17161 (17) | 0.0389 (10) | |
| O3 | 0.4802 (2) | −0.0241 (4) | 0.25179 (18) | 0.0470 (11) | |
| O4 | 0.53069 (19) | 0.1398 (3) | 0.20835 (17) | 0.0356 (10) | |
| O5 | 0.4896 (2) | 0.4422 (4) | 0.39105 (18) | 0.0486 (12) | |
| O6 | 0.81238 (19) | 0.4642 (4) | 0.35422 (17) | 0.0369 (10) | |
| O7 | 0.8091 (2) | 0.6633 (4) | 0.3895 (2) | 0.0621 (14) | |
| O8 | 0.7925 (2) | 0.4500 (5) | 0.49595 (19) | 0.0681 (16) | |
| O9 | 0.7022 (2) | 0.5057 (4) | 0.54384 (17) | 0.0391 (10) | |
| N1 | 0.6103 (4) | 0.1859 (7) | 0.6206 (3) | 0.087 (2) | |
| N2 | 0.7097 (4) | 0.2996 (6) | 0.6185 (3) | 0.0688 (19) | |
| N3 | 0.8023 (2) | 0.6380 (4) | 0.6258 (2) | 0.0314 (11) | |
| N4 | 0.8525 (3) | 0.8122 (5) | 0.6697 (2) | 0.0401 (13) | |
| N5 | 1.2382 (3) | 0.9385 (5) | 0.6755 (2) | 0.0461 (14) | |
| N6 | 1.3302 (3) | 0.9248 (5) | 0.7477 (2) | 0.0404 (13) | |
| N7 | 0.9593 (2) | 0.4597 (4) | 0.3892 (2) | 0.0292 (11) | |
| N8 | 0.9949 (3) | 0.3544 (4) | 0.4721 (2) | 0.0340 (12) | |
| C1 | 0.3260 (3) | 0.1165 (6) | 0.2242 (3) | 0.0349 (14) | |
| C2 | 0.3741 (3) | 0.1944 (5) | 0.2689 (2) | 0.0293 (13) | |
| C3 | 0.3417 (3) | 0.2817 (6) | 0.3037 (3) | 0.0464 (17) | |
| H3 | 0.2917 | 0.2853 | 0.2997 | 0.056* | |
| C4 | 0.3806 (3) | 0.3634 (6) | 0.3439 (3) | 0.0465 (18) | |
| H4 | 0.3575 | 0.4209 | 0.3670 | 0.056* | |
| C5 | 0.4546 (3) | 0.3585 (6) | 0.3493 (3) | 0.0358 (15) | |
| C6 | 0.4879 (3) | 0.2719 (6) | 0.3161 (2) | 0.0326 (14) | |
| H6 | 0.5378 | 0.2679 | 0.3207 | 0.039* | |
| C7 | 0.4484 (3) | 0.1900 (5) | 0.2756 (2) | 0.0280 (13) | |
| C8 | 0.4889 (3) | 0.0921 (6) | 0.2425 (2) | 0.0308 (14) | |
| C9 | 0.5605 (3) | 0.4739 (6) | 0.3875 (3) | 0.0356 (14) | |
| C10 | 0.6079 (3) | 0.4676 (6) | 0.4391 (2) | 0.0344 (14) | |
| H10 | 0.5913 | 0.4442 | 0.4750 | 0.041* | |
| C11 | 0.6802 (3) | 0.4953 (5) | 0.4390 (2) | 0.0305 (14) | |
| C12 | 0.7040 (3) | 0.5312 (5) | 0.3850 (2) | 0.0310 (13) | |
| C13 | 0.6548 (3) | 0.5428 (6) | 0.3346 (3) | 0.0430 (16) | |
| H13 | 0.6704 | 0.5707 | 0.2990 | 0.052* | |
| C14 | 0.5830 (3) | 0.5145 (6) | 0.3348 (3) | 0.0435 (16) | |
| H14 | 0.5505 | 0.5229 | 0.2999 | 0.052* | |
| C15 | 0.7821 (3) | 0.5590 (6) | 0.3789 (3) | 0.0369 (15) | |
| C16 | 0.9387 (3) | 0.3942 (5) | 0.4348 (2) | 0.0312 (14) | |
| H16 | 0.8911 | 0.3784 | 0.4400 | 0.037* | |
| C17 | 1.0338 (3) | 0.4608 (5) | 0.3990 (3) | 0.0347 (14) | |
| H17 | 1.0637 | 0.5001 | 0.3743 | 0.042* | |
| C18 | 1.0554 (3) | 0.3968 (6) | 0.4493 (3) | 0.0407 (15) | |
| H18 | 1.1028 | 0.3830 | 0.4661 | 0.049* | |
| C19 | 0.9927 (4) | 0.2740 (6) | 0.5262 (3) | 0.0477 (17) | |
| H19A | 0.9486 | 0.2917 | 0.5431 | 0.057* | |
| H19B | 1.0328 | 0.2970 | 0.5562 | 0.057* | |
| C20 | 0.9965 (4) | 0.1321 (6) | 0.5124 (3) | 0.0426 (16) | |
| C21 | 1.0591 (4) | 0.0760 (7) | 0.4987 (3) | 0.0533 (19) | |
| H21 | 1.0997 | 0.1270 | 0.4973 | 0.064* | |
| C22 | 0.9378 (4) | 0.0547 (6) | 0.5130 (3) | 0.0498 (18) | |
| H22 | 0.8948 | 0.0907 | 0.5215 | 0.060* | |
| C23 | 0.7299 (3) | 0.4818 (6) | 0.4961 (3) | 0.0380 (15) | |
| C24 | 0.4858 (6) | 0.1297 (12) | 0.5001 (5) | 0.124 (4) | |
| H24 | 0.4766 | 0.2182 | 0.4992 | 0.149* | |
| C25 | 0.5183 (5) | 0.0706 (10) | 0.5526 (4) | 0.094 (3) | |
| C26 | 0.5323 (6) | −0.0552 (11) | 0.5505 (5) | 0.121 (4) | |
| H26 | 0.5556 | −0.0948 | 0.5849 | 0.145* | |
| C27 | 0.5349 (5) | 0.1519 (10) | 0.6110 (4) | 0.107 (3) | |
| H27A | 0.5060 | 0.2301 | 0.6077 | 0.128* | |
| H27B | 0.5227 | 0.1025 | 0.6451 | 0.128* | |
| C28 | 0.6384 (5) | 0.2971 (8) | 0.6047 (3) | 0.069 (2) | |
| H28 | 0.6115 | 0.3649 | 0.5861 | 0.082* | |
| C29 | 0.6657 (6) | 0.1172 (11) | 0.6487 (5) | 0.104 (3) | |
| H29 | 0.6632 | 0.0361 | 0.6664 | 0.125* | |
| C30 | 0.7242 (6) | 0.1869 (9) | 0.6463 (4) | 0.096 (3) | |
| H30 | 0.7702 | 0.1605 | 0.6621 | 0.115* | |
| C31 | 0.8442 (3) | 0.6847 (6) | 0.6730 (3) | 0.0341 (14) | |
| H31 | 0.8654 | 0.6342 | 0.7048 | 0.041* | |
| C32 | 0.7838 (3) | 0.7438 (6) | 0.5905 (3) | 0.0455 (17) | |
| H32 | 0.7541 | 0.7423 | 0.5538 | 0.055* | |
| C33 | 0.8146 (4) | 0.8496 (7) | 0.6164 (3) | 0.0502 (18) | |
| H33 | 0.8109 | 0.9334 | 0.6011 | 0.060* | |
| C34 | 0.8975 (3) | 0.8937 (7) | 0.7129 (3) | 0.0510 (18) | |
| H34A | 0.9039 | 0.8510 | 0.7518 | 0.061* | |
| H34B | 0.8729 | 0.9751 | 0.7174 | 0.061* | |
| C35 | 0.9698 (3) | 0.9209 (6) | 0.6940 (3) | 0.0388 (15) | |
| C36 | 1.0180 (3) | 0.8213 (6) | 0.6928 (3) | 0.0466 (17) | |
| H36 | 1.0055 | 0.7385 | 0.7041 | 0.056* | |
| C37 | 1.0846 (4) | 0.8426 (6) | 0.6749 (3) | 0.0508 (18) | |
| H37 | 1.1161 | 0.7737 | 0.6729 | 0.061* | |
| C38 | 1.1049 (3) | 0.9674 (7) | 0.6599 (3) | 0.0428 (16) | |
| C39 | 1.0563 (4) | 1.0655 (6) | 0.6628 (3) | 0.0463 (17) | |
| H39 | 1.0688 | 1.1496 | 0.6533 | 0.056* | |
| C40 | 0.9896 (4) | 1.0418 (6) | 0.6793 (3) | 0.0443 (16) | |
| H40 | 0.9574 | 1.1099 | 0.6805 | 0.053* | |
| C41 | 1.1763 (4) | 0.9926 (7) | 0.6379 (3) | 0.0539 (19) | |
| H41A | 1.1748 | 0.9571 | 0.5976 | 0.065* | |
| H41B | 1.1830 | 1.0854 | 0.6351 | 0.065* | |
| C42 | 1.2778 (3) | 0.9996 (6) | 0.7212 (3) | 0.0423 (17) | |
| H42 | 1.2695 | 1.0841 | 0.7329 | 0.051* | |
| C43 | 1.2665 (4) | 0.8178 (7) | 0.6734 (3) | 0.056 (2) | |
| H43 | 1.2500 | 0.7527 | 0.6464 | 0.067* | |
| C44 | 1.3231 (3) | 0.8088 (7) | 0.7177 (3) | 0.0507 (18) | |
| H44 | 1.3521 | 0.7363 | 0.7263 | 0.061* | |
| O1W | 0.7029 (11) | 0.8502 (19) | 0.4349 (8) | 0.078 (6) | 0.25 |
| H1WA | 0.6679 | 0.8401 | 0.4072 | 0.094* | 0.25 |
| H1WB | 0.6981 | 0.9239 | 0.4508 | 0.094* | 0.25 |
| O2W | 0.2753 (15) | 0.958 (3) | 0.5136 (11) | 0.132 (10) | 0.25 |
| H2WA | 0.2509 | 0.8898 | 0.5057 | 0.158* | 0.25 |
| H2WB | 0.3130 | 0.9378 | 0.5370 | 0.158* | 0.25 |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Cu1 | 0.0238 (4) | 0.0364 (4) | 0.0365 (4) | −0.0029 (3) | 0.0080 (3) | 0.0031 (3) |
| Cu2 | 0.0295 (4) | 0.0462 (5) | 0.0309 (4) | 0.0004 (4) | −0.0069 (3) | 0.0008 (4) |
| O1 | 0.036 (3) | 0.081 (4) | 0.061 (3) | −0.020 (3) | 0.012 (2) | −0.026 (3) |
| O2 | 0.027 (2) | 0.057 (3) | 0.030 (2) | −0.004 (2) | −0.0077 (19) | −0.006 (2) |
| O3 | 0.050 (3) | 0.043 (3) | 0.049 (3) | 0.002 (2) | 0.010 (2) | −0.002 (2) |
| O4 | 0.026 (2) | 0.037 (2) | 0.048 (3) | 0.0025 (18) | 0.020 (2) | −0.0085 (19) |
| O5 | 0.018 (2) | 0.084 (3) | 0.043 (3) | −0.006 (2) | 0.001 (2) | −0.032 (2) |
| O6 | 0.022 (2) | 0.045 (3) | 0.045 (2) | −0.008 (2) | 0.0082 (19) | 0.005 (2) |
| O7 | 0.042 (3) | 0.051 (3) | 0.096 (4) | −0.021 (2) | 0.017 (3) | −0.021 (3) |
| O8 | 0.021 (3) | 0.142 (5) | 0.038 (3) | 0.015 (3) | −0.005 (2) | −0.008 (3) |
| O9 | 0.030 (2) | 0.061 (3) | 0.025 (2) | −0.004 (2) | −0.0029 (19) | 0.0044 (19) |
| N1 | 0.086 (6) | 0.090 (5) | 0.077 (5) | −0.041 (5) | −0.023 (4) | 0.017 (4) |
| N2 | 0.079 (5) | 0.043 (4) | 0.072 (4) | −0.005 (3) | −0.035 (4) | 0.012 (3) |
| N3 | 0.020 (3) | 0.040 (3) | 0.034 (3) | 0.001 (2) | 0.001 (2) | 0.000 (2) |
| N4 | 0.030 (3) | 0.046 (4) | 0.042 (3) | 0.007 (2) | −0.002 (3) | −0.004 (3) |
| N5 | 0.038 (3) | 0.053 (4) | 0.047 (3) | −0.011 (3) | 0.003 (3) | −0.007 (3) |
| N6 | 0.028 (3) | 0.052 (4) | 0.042 (3) | −0.002 (3) | 0.007 (3) | −0.010 (3) |
| N7 | 0.023 (3) | 0.029 (3) | 0.035 (3) | 0.003 (2) | 0.002 (2) | 0.005 (2) |
| N8 | 0.039 (3) | 0.028 (3) | 0.034 (3) | 0.000 (2) | 0.002 (3) | −0.001 (2) |
| C1 | 0.019 (3) | 0.041 (4) | 0.042 (4) | 0.007 (3) | −0.006 (3) | −0.005 (3) |
| C2 | 0.023 (3) | 0.038 (3) | 0.027 (3) | −0.002 (3) | 0.001 (3) | −0.004 (3) |
| C3 | 0.015 (3) | 0.070 (5) | 0.054 (4) | −0.003 (3) | 0.002 (3) | −0.021 (4) |
| C4 | 0.024 (4) | 0.064 (5) | 0.051 (4) | 0.002 (3) | 0.005 (3) | −0.029 (4) |
| C5 | 0.022 (3) | 0.055 (4) | 0.030 (3) | −0.002 (3) | 0.001 (3) | −0.012 (3) |
| C6 | 0.018 (3) | 0.050 (4) | 0.030 (3) | 0.001 (3) | 0.003 (3) | −0.005 (3) |
| C7 | 0.024 (3) | 0.037 (3) | 0.024 (3) | 0.005 (3) | 0.006 (3) | 0.000 (3) |
| C8 | 0.020 (3) | 0.039 (4) | 0.030 (3) | 0.001 (3) | −0.010 (3) | −0.007 (3) |
| C9 | 0.021 (3) | 0.049 (4) | 0.035 (4) | 0.003 (3) | −0.001 (3) | −0.015 (3) |
| C10 | 0.026 (3) | 0.054 (4) | 0.024 (3) | −0.005 (3) | 0.007 (3) | −0.007 (3) |
| C11 | 0.024 (3) | 0.040 (4) | 0.026 (3) | −0.002 (3) | −0.002 (3) | −0.007 (3) |
| C12 | 0.023 (3) | 0.038 (3) | 0.032 (3) | −0.001 (3) | 0.002 (3) | −0.003 (3) |
| C13 | 0.032 (4) | 0.069 (5) | 0.029 (3) | −0.004 (3) | 0.006 (3) | 0.002 (3) |
| C14 | 0.035 (4) | 0.063 (5) | 0.028 (3) | 0.000 (3) | −0.012 (3) | −0.003 (3) |
| C15 | 0.028 (4) | 0.049 (4) | 0.032 (3) | −0.003 (3) | 0.001 (3) | 0.006 (3) |
| C16 | 0.029 (3) | 0.032 (3) | 0.035 (3) | −0.002 (3) | 0.009 (3) | −0.007 (3) |
| C17 | 0.031 (4) | 0.033 (3) | 0.040 (4) | 0.000 (3) | 0.007 (3) | 0.000 (3) |
| C18 | 0.028 (4) | 0.035 (4) | 0.058 (4) | 0.005 (3) | 0.002 (3) | −0.003 (3) |
| C19 | 0.069 (5) | 0.038 (4) | 0.035 (4) | −0.004 (3) | 0.003 (3) | 0.000 (3) |
| C20 | 0.059 (5) | 0.038 (4) | 0.028 (3) | 0.003 (4) | −0.004 (3) | 0.004 (3) |
| C21 | 0.047 (5) | 0.048 (5) | 0.064 (5) | −0.010 (3) | 0.003 (4) | 0.002 (4) |
| C22 | 0.048 (4) | 0.043 (4) | 0.059 (4) | 0.008 (4) | 0.011 (4) | −0.003 (3) |
| C23 | 0.027 (4) | 0.054 (4) | 0.033 (4) | −0.008 (3) | 0.003 (3) | 0.001 (3) |
| C24 | 0.128 (4) | 0.122 (4) | 0.123 (4) | −0.004 (2) | 0.015 (2) | 0.002 (2) |
| C25 | 0.095 (3) | 0.093 (3) | 0.092 (3) | −0.005 (2) | 0.007 (2) | 0.000 (2) |
| C26 | 0.123 (4) | 0.120 (4) | 0.118 (4) | −0.001 (2) | 0.012 (2) | 0.001 (2) |
| C27 | 0.108 (4) | 0.107 (4) | 0.106 (4) | −0.006 (2) | 0.014 (2) | 0.002 (2) |
| C28 | 0.074 (6) | 0.061 (5) | 0.067 (5) | −0.024 (5) | −0.009 (5) | 0.011 (4) |
| C29 | 0.105 (4) | 0.102 (4) | 0.104 (4) | −0.002 (2) | 0.009 (2) | 0.004 (2) |
| C30 | 0.095 (3) | 0.093 (3) | 0.097 (3) | −0.001 (2) | 0.008 (2) | 0.002 (2) |
| C31 | 0.027 (4) | 0.039 (4) | 0.036 (4) | 0.008 (3) | 0.002 (3) | 0.000 (3) |
| C32 | 0.045 (4) | 0.052 (4) | 0.036 (4) | −0.001 (3) | −0.007 (3) | 0.000 (3) |
| C33 | 0.052 (5) | 0.038 (4) | 0.059 (5) | 0.009 (3) | 0.003 (4) | 0.010 (4) |
| C34 | 0.052 (5) | 0.052 (4) | 0.047 (4) | −0.001 (4) | 0.001 (4) | −0.022 (3) |
| C35 | 0.036 (4) | 0.046 (4) | 0.031 (3) | 0.000 (3) | −0.007 (3) | −0.013 (3) |
| C36 | 0.043 (4) | 0.038 (4) | 0.057 (4) | −0.007 (3) | −0.004 (4) | −0.009 (3) |
| C37 | 0.048 (5) | 0.041 (4) | 0.059 (5) | 0.000 (3) | −0.007 (4) | −0.011 (3) |
| C38 | 0.042 (4) | 0.049 (4) | 0.034 (3) | −0.007 (4) | −0.010 (3) | −0.002 (3) |
| C39 | 0.056 (5) | 0.041 (4) | 0.037 (4) | −0.006 (3) | −0.011 (4) | 0.001 (3) |
| C40 | 0.048 (4) | 0.042 (4) | 0.039 (4) | 0.002 (3) | −0.009 (3) | −0.009 (3) |
| C41 | 0.050 (5) | 0.067 (5) | 0.040 (4) | −0.011 (4) | −0.014 (4) | 0.001 (3) |
| C42 | 0.040 (4) | 0.048 (4) | 0.039 (4) | −0.003 (3) | 0.005 (3) | −0.012 (3) |
| C43 | 0.043 (4) | 0.054 (5) | 0.068 (5) | −0.004 (4) | −0.003 (4) | −0.027 (4) |
| C44 | 0.035 (4) | 0.047 (4) | 0.071 (5) | 0.002 (3) | 0.007 (4) | −0.014 (4) |
| O1W | 0.103 (14) | 0.074 (12) | 0.067 (11) | −0.033 (11) | 0.046 (11) | −0.003 (10) |
| O2W | 0.136 (17) | 0.177 (18) | 0.097 (14) | 0.039 (14) | 0.068 (13) | 0.054 (14) |
| Cu1—O4i | 1.939 (3) | C12—C15 | 1.516 (8) |
| Cu1—N7 | 1.951 (4) | C13—C14 | 1.379 (8) |
| Cu1—O6 | 1.954 (4) | C13—H13 | 0.9300 |
| Cu1—N6ii | 1.983 (5) | C14—H14 | 0.9300 |
| Cu2—O2iii | 1.937 (4) | C16—H16 | 0.9300 |
| Cu2—O9 | 1.943 (4) | C17—C18 | 1.324 (8) |
| Cu2—N3 | 1.966 (5) | C17—H17 | 0.9300 |
| Cu2—N2 | 1.989 (6) | C18—H18 | 0.9300 |
| N1—C28 | 1.331 (9) | C19—C20 | 1.502 (8) |
| N1—C29 | 1.346 (11) | C19—H19A | 0.9700 |
| N1—C27 | 1.445 (10) | C19—H19B | 0.9700 |
| N2—C30 | 1.332 (10) | C20—C22 | 1.361 (8) |
| N2—C28 | 1.333 (9) | C20—C21 | 1.379 (9) |
| N3—C31 | 1.324 (7) | C21—C22vii | 1.377 (9) |
| N3—C32 | 1.367 (7) | C21—H21 | 0.9300 |
| N4—C31 | 1.329 (7) | C22—C21vii | 1.377 (9) |
| N4—C33 | 1.362 (7) | C22—H22 | 0.9300 |
| N4—C34 | 1.465 (7) | C24—C26viii | 1.375 (12) |
| N5—C42 | 1.341 (7) | C24—C25 | 1.393 (12) |
| N5—C43 | 1.358 (8) | C24—H24 | 0.9300 |
| N5—C41 | 1.455 (8) | C25—C26 | 1.328 (12) |
| N6—C42 | 1.329 (7) | C25—C27 | 1.552 (12) |
| N6—C44 | 1.372 (7) | C26—C24viii | 1.375 (12) |
| N6—Cu1iv | 1.983 (5) | C26—H26 | 0.9300 |
| N7—C16 | 1.324 (7) | C27—H27A | 0.9700 |
| N7—C17 | 1.386 (7) | C27—H27B | 0.9700 |
| N8—C16 | 1.323 (7) | C28—H28 | 0.9300 |
| N8—C18 | 1.374 (7) | C29—C30 | 1.319 (12) |
| N8—C19 | 1.474 (7) | C29—H29 | 0.9300 |
| O1—C1 | 1.224 (7) | C30—H30 | 0.9300 |
| O2—C1 | 1.281 (7) | C31—H31 | 0.9300 |
| O2—Cu2v | 1.937 (4) | C32—C33 | 1.334 (8) |
| O3—C8 | 1.233 (7) | C32—H32 | 0.9300 |
| O4—C8 | 1.262 (6) | C33—H33 | 0.9300 |
| O4—Cu1vi | 1.939 (3) | C34—C35 | 1.498 (8) |
| O5—C5 | 1.376 (6) | C34—H34A | 0.9700 |
| O5—C9 | 1.382 (6) | C34—H34B | 0.9700 |
| O6—C15 | 1.291 (7) | C35—C40 | 1.355 (8) |
| O7—C15 | 1.201 (7) | C35—C36 | 1.371 (8) |
| O8—C23 | 1.219 (7) | C36—C37 | 1.377 (8) |
| O9—C23 | 1.271 (7) | C36—H36 | 0.9300 |
| C1—C2 | 1.494 (7) | C37—C38 | 1.398 (8) |
| C2—C7 | 1.382 (7) | C37—H37 | 0.9300 |
| C2—C3 | 1.383 (7) | C38—C39 | 1.369 (9) |
| C3—C4 | 1.373 (8) | C38—C41 | 1.508 (9) |
| C3—H3 | 0.9300 | C39—C40 | 1.372 (9) |
| C4—C5 | 1.378 (8) | C39—H39 | 0.9300 |
| C4—H4 | 0.9300 | C40—H40 | 0.9300 |
| C5—C6 | 1.364 (7) | C41—H41A | 0.9700 |
| C6—C7 | 1.383 (7) | C41—H41B | 0.9700 |
| C6—H6 | 0.9300 | C42—H42 | 0.9300 |
| C7—C8 | 1.515 (7) | C43—C44 | 1.360 (8) |
| C9—C10 | 1.364 (8) | C43—H43 | 0.9300 |
| C9—C14 | 1.369 (8) | C44—H44 | 0.9300 |
| C10—C11 | 1.387 (7) | O1W—H1WA | 0.8506 |
| C10—H10 | 0.9300 | O1W—H1WB | 0.8499 |
| C11—C12 | 1.390 (7) | O2W—H2WA | 0.8504 |
| C11—C23 | 1.488 (8) | O2W—H2WB | 0.8500 |
| C12—C13 | 1.367 (8) | ||
| O4i—Cu1—N7 | 96.09 (17) | N8—C18—H18 | 126.3 |
| O4i—Cu1—O6 | 167.24 (17) | N8—C19—C20 | 111.9 (5) |
| N7—Cu1—O6 | 90.15 (17) | N8—C19—H19A | 109.2 |
| O4i—Cu1—N6ii | 88.99 (18) | C20—C19—H19A | 109.2 |
| N7—Cu1—N6ii | 169.2 (2) | N8—C19—H19B | 109.2 |
| O6—Cu1—N6ii | 86.79 (18) | C20—C19—H19B | 109.2 |
| O2iii—Cu2—O9 | 167.58 (17) | H19A—C19—H19B | 107.9 |
| O2iii—Cu2—N3 | 93.20 (18) | C22—C20—C21 | 117.9 (6) |
| O9—Cu2—N3 | 91.71 (18) | C22—C20—C19 | 120.8 (6) |
| O2iii—Cu2—N2 | 92.5 (2) | C21—C20—C19 | 121.3 (6) |
| O9—Cu2—N2 | 86.7 (2) | C22vii—C21—C20 | 120.8 (6) |
| N3—Cu2—N2 | 160.3 (2) | C22vii—C21—H21 | 119.6 |
| C28—N1—C29 | 105.8 (8) | C20—C21—H21 | 119.6 |
| C28—N1—C27 | 125.6 (8) | C20—C22—C21vii | 121.3 (6) |
| C29—N1—C27 | 128.6 (8) | C20—C22—H22 | 119.4 |
| C30—N2—C28 | 103.3 (7) | C21vii—C22—H22 | 119.4 |
| C30—N2—Cu2 | 131.3 (6) | O8—C23—O9 | 123.5 (6) |
| C28—N2—Cu2 | 123.7 (5) | O8—C23—C11 | 121.3 (5) |
| C31—N3—C32 | 104.5 (5) | O9—C23—C11 | 115.3 (5) |
| C31—N3—Cu2 | 126.6 (4) | C26viii—C24—C25 | 119.0 (11) |
| C32—N3—Cu2 | 128.7 (4) | C26viii—C24—H24 | 120.5 |
| C31—N4—C33 | 106.2 (5) | C25—C24—H24 | 120.5 |
| C31—N4—C34 | 126.4 (5) | C26—C25—C24 | 117.8 (10) |
| C33—N4—C34 | 127.3 (6) | C26—C25—C27 | 122.6 (10) |
| C42—N5—C43 | 106.1 (6) | C24—C25—C27 | 119.5 (10) |
| C42—N5—C41 | 125.6 (6) | C25—C26—C24viii | 123.2 (11) |
| C43—N5—C41 | 128.2 (6) | C25—C26—H26 | 118.4 |
| C42—N6—C44 | 105.6 (5) | C24viii—C26—H26 | 118.4 |
| C42—N6—Cu1iv | 126.5 (4) | N1—C27—C25 | 110.1 (8) |
| C44—N6—Cu1iv | 127.4 (5) | N1—C27—H27A | 109.6 |
| C16—N7—C17 | 105.7 (5) | C25—C27—H27A | 109.6 |
| C16—N7—Cu1 | 126.2 (4) | N1—C27—H27B | 109.6 |
| C17—N7—Cu1 | 128.1 (4) | C25—C27—H27B | 109.6 |
| C16—N8—C18 | 107.2 (5) | H27A—C27—H27B | 108.2 |
| C16—N8—C19 | 126.1 (5) | N1—C28—N2 | 112.0 (8) |
| C18—N8—C19 | 126.6 (5) | N1—C28—H28 | 124.0 |
| C1—O2—Cu2v | 110.5 (4) | N2—C28—H28 | 124.0 |
| C8—O4—Cu1vi | 120.7 (4) | C30—C29—N1 | 106.8 (10) |
| C5—O5—C9 | 119.2 (4) | C30—C29—H29 | 126.6 |
| C15—O6—Cu1 | 107.4 (4) | N1—C29—H29 | 126.6 |
| C23—O9—Cu2 | 110.0 (4) | C29—C30—N2 | 112.0 (10) |
| O1—C1—O2 | 124.1 (6) | C29—C30—H30 | 124.0 |
| O1—C1—C2 | 120.9 (5) | N2—C30—H30 | 124.0 |
| O2—C1—C2 | 115.0 (5) | N3—C31—N4 | 112.2 (5) |
| C7—C2—C3 | 118.1 (5) | N3—C31—H31 | 123.9 |
| C7—C2—C1 | 124.6 (5) | N4—C31—H31 | 123.9 |
| C3—C2—C1 | 117.2 (5) | C33—C32—N3 | 109.8 (6) |
| C4—C3—C2 | 122.3 (5) | C33—C32—H32 | 125.1 |
| C4—C3—H3 | 118.9 | N3—C32—H32 | 125.1 |
| C2—C3—H3 | 118.9 | C32—C33—N4 | 107.3 (6) |
| C3—C4—C5 | 118.7 (5) | C32—C33—H33 | 126.4 |
| C3—C4—H4 | 120.7 | N4—C33—H33 | 126.4 |
| C5—C4—H4 | 120.7 | N4—C34—C35 | 112.7 (5) |
| C6—C5—O5 | 124.8 (5) | N4—C34—H34A | 109.1 |
| C6—C5—C4 | 120.1 (5) | C35—C34—H34A | 109.1 |
| O5—C5—C4 | 115.0 (5) | N4—C34—H34B | 109.1 |
| C5—C6—C7 | 121.0 (5) | C35—C34—H34B | 109.1 |
| C5—C6—H6 | 119.5 | H34A—C34—H34B | 107.8 |
| C7—C6—H6 | 119.5 | C40—C35—C36 | 119.0 (6) |
| C2—C7—C6 | 119.8 (5) | C40—C35—C34 | 121.8 (6) |
| C2—C7—C8 | 122.1 (5) | C36—C35—C34 | 119.2 (6) |
| C6—C7—C8 | 118.0 (5) | C35—C36—C37 | 120.7 (6) |
| O3—C8—O4 | 126.0 (5) | C35—C36—H36 | 119.7 |
| O3—C8—C7 | 118.8 (5) | C37—C36—H36 | 119.7 |
| O4—C8—C7 | 115.2 (5) | C36—C37—C38 | 120.2 (6) |
| C10—C9—C14 | 120.3 (5) | C36—C37—H37 | 119.9 |
| C10—C9—O5 | 117.8 (5) | C38—C37—H37 | 119.9 |
| C14—C9—O5 | 121.8 (5) | C39—C38—C37 | 117.9 (6) |
| C9—C10—C11 | 121.3 (5) | C39—C38—C41 | 120.8 (6) |
| C9—C10—H10 | 119.4 | C37—C38—C41 | 121.3 (6) |
| C11—C10—H10 | 119.4 | C38—C39—C40 | 121.0 (6) |
| C10—C11—C12 | 118.6 (5) | C38—C39—H39 | 119.5 |
| C10—C11—C23 | 118.9 (5) | C40—C39—H39 | 119.5 |
| C12—C11—C23 | 122.5 (5) | C35—C40—C39 | 121.2 (6) |
| C13—C12—C11 | 118.9 (5) | C35—C40—H40 | 119.4 |
| C13—C12—C15 | 117.7 (5) | C39—C40—H40 | 119.4 |
| C11—C12—C15 | 123.4 (5) | N5—C41—C38 | 114.9 (5) |
| C12—C13—C14 | 122.3 (5) | N5—C41—H41A | 108.6 |
| C12—C13—H13 | 118.8 | C38—C41—H41A | 108.6 |
| C14—C13—H13 | 118.8 | N5—C41—H41B | 108.6 |
| C9—C14—C13 | 118.4 (6) | C38—C41—H41B | 108.6 |
| C9—C14—H14 | 120.8 | H41A—C41—H41B | 107.5 |
| C13—C14—H14 | 120.8 | N6—C42—N5 | 111.9 (6) |
| O7—C15—O6 | 124.6 (6) | N6—C42—H42 | 124.1 |
| O7—C15—C12 | 122.6 (6) | N5—C42—H42 | 124.1 |
| O6—C15—C12 | 112.2 (5) | N5—C43—C44 | 108.0 (6) |
| N8—C16—N7 | 111.0 (5) | N5—C43—H43 | 126.0 |
| N8—C16—H16 | 124.5 | C44—C43—H43 | 126.0 |
| N7—C16—H16 | 124.5 | C43—C44—N6 | 108.4 (6) |
| C18—C17—N7 | 108.8 (5) | C43—C44—H44 | 125.8 |
| C18—C17—H17 | 125.6 | N6—C44—H44 | 125.8 |
| N7—C17—H17 | 125.6 | H1WA—O1W—H1WB | 107.7 |
| C17—C18—N8 | 107.4 (5) | H2WA—O2W—H2WB | 107.7 |
| C17—C18—H18 | 126.3 | ||
| O2iii—Cu2—N2—C30 | −6.4 (8) | C17—N7—C16—N8 | −0.2 (6) |
| O9—Cu2—N2—C30 | 161.2 (8) | Cu1—N7—C16—N8 | 178.3 (3) |
| N3—Cu2—N2—C30 | −113.0 (9) | C16—N7—C17—C18 | 0.2 (6) |
| O2iii—Cu2—N2—C28 | 156.5 (6) | Cu1—N7—C17—C18 | −178.3 (4) |
| O9—Cu2—N2—C28 | −35.9 (6) | N7—C17—C18—N8 | −0.1 (7) |
| N3—Cu2—N2—C28 | 49.9 (10) | C16—N8—C18—C17 | 0.0 (6) |
| O2iii—Cu2—N3—C31 | −21.3 (4) | C19—N8—C18—C17 | 177.2 (5) |
| O9—Cu2—N3—C31 | 170.1 (4) | C16—N8—C19—C20 | 90.6 (7) |
| N2—Cu2—N3—C31 | 85.2 (8) | C18—N8—C19—C20 | −86.1 (7) |
| O2iii—Cu2—N3—C32 | 164.4 (5) | N8—C19—C20—C22 | −108.8 (7) |
| O9—Cu2—N3—C32 | −4.2 (5) | N8—C19—C20—C21 | 71.3 (8) |
| N2—Cu2—N3—C32 | −89.1 (8) | C22—C20—C21—C22vii | −1.0 (11) |
| O4i—Cu1—N7—C16 | 167.2 (4) | C19—C20—C21—C22vii | 178.9 (6) |
| O6—Cu1—N7—C16 | −1.6 (5) | C21—C20—C22—C21vii | 1.0 (11) |
| N6ii—Cu1—N7—C16 | −75.0 (11) | C19—C20—C22—C21vii | −178.9 (6) |
| O4i—Cu1—N7—C17 | −14.6 (5) | Cu2—O9—C23—O8 | −8.9 (8) |
| O6—Cu1—N7—C17 | 176.5 (5) | Cu2—O9—C23—C11 | 171.2 (4) |
| N6ii—Cu1—N7—C17 | 103.1 (10) | C10—C11—C23—O8 | 148.2 (6) |
| O4i—Cu1—O6—C15 | −16.0 (9) | C12—C11—C23—O8 | −30.0 (9) |
| N7—Cu1—O6—C15 | 103.5 (4) | C10—C11—C23—O9 | −31.9 (8) |
| N6ii—Cu1—O6—C15 | −86.9 (4) | C12—C11—C23—O9 | 149.9 (6) |
| O2iii—Cu2—O9—C23 | −15.4 (10) | C26viii—C24—C25—C26 | 2.2 (18) |
| N3—Cu2—O9—C23 | 97.9 (4) | C26viii—C24—C25—C27 | −176.4 (9) |
| N2—Cu2—O9—C23 | −101.8 (4) | C24—C25—C26—C24viii | −2.3 (19) |
| Cu2v—O2—C1—O1 | 11.7 (8) | C27—C25—C26—C24viii | 176.2 (10) |
| Cu2v—O2—C1—C2 | −166.8 (4) | C28—N1—C27—C25 | 96.3 (11) |
| O1—C1—C2—C7 | 139.2 (6) | C29—N1—C27—C25 | −86.4 (12) |
| O2—C1—C2—C7 | −42.3 (8) | C26—C25—C27—N1 | 80.0 (12) |
| O1—C1—C2—C3 | −44.3 (8) | C24—C25—C27—N1 | −101.5 (11) |
| O2—C1—C2—C3 | 134.2 (6) | C29—N1—C28—N2 | 3.2 (10) |
| C7—C2—C3—C4 | 0.4 (9) | C27—N1—C28—N2 | −178.9 (8) |
| C1—C2—C3—C4 | −176.4 (6) | C30—N2—C28—N1 | −2.7 (10) |
| C2—C3—C4—C5 | 0.5 (10) | Cu2—N2—C28—N1 | −169.6 (5) |
| C9—O5—C5—C6 | 21.9 (9) | C28—N1—C29—C30 | −2.4 (11) |
| C9—O5—C5—C4 | −160.5 (6) | C27—N1—C29—C30 | 179.8 (9) |
| C3—C4—C5—C6 | −1.4 (10) | N1—C29—C30—N2 | 0.8 (12) |
| C3—C4—C5—O5 | −179.2 (6) | C28—N2—C30—C29 | 1.1 (11) |
| O5—C5—C6—C7 | 179.0 (5) | Cu2—N2—C30—C29 | 166.6 (7) |
| C4—C5—C6—C7 | 1.6 (9) | C32—N3—C31—N4 | 0.5 (6) |
| C3—C2—C7—C6 | −0.3 (8) | Cu2—N3—C31—N4 | −174.9 (4) |
| C1—C2—C7—C6 | 176.2 (5) | C33—N4—C31—N3 | −1.2 (6) |
| C3—C2—C7—C8 | 176.1 (5) | C34—N4—C31—N3 | −177.4 (5) |
| C1—C2—C7—C8 | −7.4 (9) | C31—N3—C32—C33 | 0.4 (7) |
| C5—C6—C7—C2 | −0.7 (8) | Cu2—N3—C32—C33 | 175.7 (4) |
| C5—C6—C7—C8 | −177.2 (5) | N3—C32—C33—N4 | −1.1 (7) |
| Cu1vi—O4—C8—O3 | −13.5 (8) | C31—N4—C33—C32 | 1.3 (7) |
| Cu1vi—O4—C8—C7 | 164.6 (3) | C34—N4—C33—C32 | 177.5 (5) |
| C2—C7—C8—O3 | −61.2 (7) | C31—N4—C34—C35 | 96.8 (7) |
| C6—C7—C8—O3 | 115.3 (6) | C33—N4—C34—C35 | −78.6 (8) |
| C2—C7—C8—O4 | 120.6 (6) | N4—C34—C35—C40 | 114.0 (6) |
| C6—C7—C8—O4 | −63.0 (7) | N4—C34—C35—C36 | −67.6 (8) |
| C5—O5—C9—C10 | −132.2 (6) | C40—C35—C36—C37 | −2.3 (9) |
| C5—O5—C9—C14 | 49.9 (8) | C34—C35—C36—C37 | 179.3 (6) |
| C14—C9—C10—C11 | −3.4 (9) | C35—C36—C37—C38 | 2.4 (10) |
| O5—C9—C10—C11 | 178.6 (5) | C36—C37—C38—C39 | −1.0 (9) |
| C9—C10—C11—C12 | 0.6 (9) | C36—C37—C38—C41 | −177.5 (6) |
| C9—C10—C11—C23 | −177.6 (5) | C37—C38—C39—C40 | −0.5 (9) |
| C10—C11—C12—C13 | 2.5 (8) | C41—C38—C39—C40 | 176.0 (6) |
| C23—C11—C12—C13 | −179.3 (6) | C36—C35—C40—C39 | 0.8 (9) |
| C10—C11—C12—C15 | −177.7 (6) | C34—C35—C40—C39 | 179.2 (5) |
| C23—C11—C12—C15 | 0.5 (9) | C38—C39—C40—C35 | 0.6 (9) |
| C11—C12—C13—C14 | −3.0 (9) | C42—N5—C41—C38 | −91.1 (7) |
| C15—C12—C13—C14 | 177.3 (6) | C43—N5—C41—C38 | 86.8 (8) |
| C10—C9—C14—C13 | 3.0 (9) | C39—C38—C41—N5 | 132.6 (6) |
| O5—C9—C14—C13 | −179.1 (6) | C37—C38—C41—N5 | −50.9 (8) |
| C12—C13—C14—C9 | 0.2 (10) | C44—N6—C42—N5 | −0.8 (7) |
| Cu1—O6—C15—O7 | −13.0 (7) | Cu1iv—N6—C42—N5 | −173.7 (4) |
| Cu1—O6—C15—C12 | 158.9 (4) | C43—N5—C42—N6 | 0.8 (7) |
| C13—C12—C15—O7 | 94.4 (8) | C41—N5—C42—N6 | 179.1 (5) |
| C11—C12—C15—O7 | −85.4 (8) | C42—N5—C43—C44 | −0.5 (7) |
| C13—C12—C15—O6 | −77.7 (7) | C41—N5—C43—C44 | −178.7 (6) |
| C11—C12—C15—O6 | 102.5 (6) | N5—C43—C44—N6 | 0.0 (8) |
| C18—N8—C16—N7 | 0.1 (6) | C42—N6—C44—C43 | 0.5 (7) |
| C19—N8—C16—N7 | −177.1 (5) | Cu1iv—N6—C44—C43 | 173.3 (4) |
| Symmetry codes: (i) −x+3/2, y+1/2, −z+1/2; (ii) x−1/2, −y+3/2, z−1/2; (iii) x+1/2, −y+1/2, z+1/2; (iv) x+1/2, −y+3/2, z+1/2; (v) x−1/2, −y+1/2, z−1/2; (vi) −x+3/2, y−1/2, −z+1/2; (vii) −x+2, −y, −z+1; (viii) −x+1, −y, −z+1. |
The authors are grateful for financial support from the Henan Administration of Science and Technology (grant No. 0111030700).
Allen, F. H., Kennard, O., Watson, D. G., Brammer, L., Orpen, A. G. & Taylor, R. (1987). J. Chem. Soc. Perkin Trans. 2, S1–19.
Bruker (2005). SHELXTL, SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of Göttingen, Germany.
As part of our ongoing studies, we synthesized the title compound, (I), and report herein its crystal structure.
In the molecule of (I), (Fig. 1) the bond lengths and angles are within normal ranges (Allen et al., 1987). When the crystal structure was solved, the water molecule was found to be disordered.
The CuII atom exhibits a square-planar coordination geometry with two O atoms of the two 4,4'-oxydiphthalic acid (H4ODPA) and two N atoms of the two 1,4-bis(imidazol-1-yl-methyl)benzene (BIX) groups, respectively. Four carboxylic O atoms of H4ODPA coordinate four different Cu ion and a three-dimensional honeycomb framework built from Cu ion and H4ODPA (Figs. 2 and 3) joined by BIX groups (Fig. 4).
The π-π stacking interactions between aromatic rings of Cg1 and Cg2 [Cg1 and Cg2 are (N7,N8,C16—C18) and (N3i,N4i,C31i—C33i) ring centroids, respectively, symmetry code: (i) 2 - x, 1 - y, 1 - z] are observed, with a centroid-centroid distance of 3.373 (5) Å.