Supporting information
Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536808035125/ng2505sup1.cif | |
Structure factor file (CIF format) https://doi.org/10.1107/S1600536808035125/ng2505Isup2.hkl |
CCDC reference: 709568
Key indicators
- Single-crystal X-ray study
- T = 173 K
- Mean (C-C) = 0.003 Å
- R factor = 0.030
- wR factor = 0.085
- Data-to-parameter ratio = 15.8
checkCIF/PLATON results
No syntax errors found
Alert level C Value of measurement temperature given = 173.000 Value of melting point given = 0.000 PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.35 PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.08 PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ .... ? PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given ....... ? PLAT154_ALERT_1_C The su's on the Cell Angles are Equal (x 10000) 200 Deg. PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors for Cl1
Alert level G FORMU01_ALERT_1_G There is a discrepancy between the atom counts in the _chemical_formula_sum and _chemical_formula_moiety. This is usually due to the moiety formula being in the wrong format. Atom count from _chemical_formula_sum: C30 H36 Cl2 Co1 N6 O14 Atom count from _chemical_formula_moiety:C30 H36 Cl2 Co1 N6 O8 PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 9 PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 2
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 6 ALERT level C = Check and explain 3 ALERT level G = General alerts; check 3 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 2 ALERT type 2 Indicator that the structure model may be wrong or deficient 1 ALERT type 3 Indicator that the structure quality may be low 3 ALERT type 4 Improvement, methodology, query or suggestion 0 ALERT type 5 Informative message, check
All chemicals were obtained commercially. Cobalt perchlorate hexahydrate (135 mg, 0.37 mmol), 2-methylglutaric acid (59 mg, 0.37 mmol) and 4,4'-bipyridine (116 mg, 0.74 mmol) were placed into 10 ml H2O in a 23 ml Teflon-lined Parr acid digestion bomb. The bomb was heated at 120° C for 48 h and was then allowed to cool to 25° C. Yellow-orange crystals of the title compound were obtained along with a reddish amorphous solid.
All H atoms bound to C atoms were placed in calculated positions, with C—H = 0.95 Å and refined in riding mode with Uiso = 1.2Ueq(C). All H atoms bound to O atoms were found via Fourier difference map, restrained with O—H = 0.89 Å o, and refined with Uiso=1.2Ueq(O).
Data collection: SMART (Bruker, 2003); cell refinement: SAINT-Plus (Bruker, 2003); data reduction: SAINT-Plus (Bruker, 2003); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Crystal Maker (Palmer, 2007); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).
[Co(C10H8N2)(H2O)4](ClO4)2·2C10H8N2·2H2O | Z = 1 |
Mr = 834.48 | F(000) = 431 |
Triclinic, P1 | Dx = 1.528 Mg m−3 |
a = 8.9590 (17) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 10.846 (2) Å | Cell parameters from 10254 reflections |
c = 11.433 (2) Å | θ = 2.0–28.2° |
α = 64.290 (2)° | µ = 0.70 mm−1 |
β = 71.747 (2)° | T = 173 K |
γ = 66.848 (2)° | Block, yellow |
V = 906.6 (3) Å3 | 0.35 × 0.30 × 0.25 mm |
Bruker SMART 1K diffractometer | 4087 independent reflections |
Radiation source: fine-focus sealed tube | 3754 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.018 |
ω scans | θmax = 28.2°, θmin = 2.0° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −11→11 |
Tmin = 0.793, Tmax = 0.845 | k = −14→14 |
10254 measured reflections | l = −15→15 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.030 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.085 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0438P)2 + 0.4101P] where P = (Fo2 + 2Fc2)/3 |
4087 reflections | (Δ/σ)max < 0.001 |
259 parameters | Δρmax = 0.35 e Å−3 |
9 restraints | Δρmin = −0.32 e Å−3 |
[Co(C10H8N2)(H2O)4](ClO4)2·2C10H8N2·2H2O | γ = 66.848 (2)° |
Mr = 834.48 | V = 906.6 (3) Å3 |
Triclinic, P1 | Z = 1 |
a = 8.9590 (17) Å | Mo Kα radiation |
b = 10.846 (2) Å | µ = 0.70 mm−1 |
c = 11.433 (2) Å | T = 173 K |
α = 64.290 (2)° | 0.35 × 0.30 × 0.25 mm |
β = 71.747 (2)° |
Bruker SMART 1K diffractometer | 4087 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 3754 reflections with I > 2σ(I) |
Tmin = 0.793, Tmax = 0.845 | Rint = 0.018 |
10254 measured reflections |
R[F2 > 2σ(F2)] = 0.030 | 9 restraints |
wR(F2) = 0.085 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.35 e Å−3 |
4087 reflections | Δρmin = −0.32 e Å−3 |
259 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 | ||
Co1 | 0.5000 | 0.0000 | 0.5000 | 0.02019 (9) | |
Cl1 | 0.08313 (6) | 0.68822 (5) | 0.28417 (4) | 0.03844 (12) | |
O1 | 0.49177 (16) | 0.21628 (12) | 0.41627 (11) | 0.0331 (3) | |
H1A | 0.432 (2) | 0.272 (2) | 0.4590 (19) | 0.040* | |
H1B | 0.527 (2) | 0.269 (2) | 0.3396 (16) | 0.040* | |
O1W | 0.31208 (19) | 0.40133 (17) | 0.54939 (15) | 0.0471 (3) | |
H1WA | 0.233 (3) | 0.366 (2) | 0.602 (2) | 0.057* | |
H1WB | 0.258 (3) | 0.4859 (19) | 0.499 (2) | 0.057* | |
O2 | 0.75905 (14) | −0.06554 (13) | 0.46036 (11) | 0.0291 (2) | |
H2A | 0.818 (2) | −0.0077 (19) | 0.4057 (18) | 0.035* | |
H2B | 0.809 (2) | −0.1404 (17) | 0.4406 (19) | 0.035* | |
O3 | −0.0888 (2) | 0.76945 (18) | 0.28167 (18) | 0.0592 (4) | |
O4 | 0.1008 (2) | 0.53921 (16) | 0.32135 (15) | 0.0576 (4) | |
O5 | 0.1756 (2) | 0.73950 (19) | 0.15629 (15) | 0.0586 (4) | |
O6 | 0.1383 (3) | 0.7065 (2) | 0.37918 (17) | 0.0661 (5) | |
N1 | 0.49875 (15) | −0.00436 (13) | 0.31409 (11) | 0.0222 (2) | |
N6 | −0.05017 (19) | 0.09941 (17) | 0.28287 (17) | 0.0413 (4) | |
N7 | 0.3813 (2) | 0.59027 (15) | −0.19049 (14) | 0.0368 (3) | |
C1 | 0.5839 (2) | 0.06703 (17) | 0.20323 (14) | 0.0269 (3) | |
H1 | 0.6438 | 0.1163 | 0.2098 | 0.032* | |
C2 | 0.5878 (2) | 0.07151 (17) | 0.07951 (14) | 0.0263 (3) | |
H2 | 0.6488 | 0.1230 | 0.0057 | 0.032* | |
C3 | 0.49982 (17) | −0.00143 (15) | 0.06583 (13) | 0.0195 (3) | |
C4 | 0.41216 (18) | −0.07678 (16) | 0.18123 (14) | 0.0240 (3) | |
H4 | 0.3528 | −0.1284 | 0.1777 | 0.029* | |
C5 | 0.41367 (19) | −0.07458 (16) | 0.30132 (14) | 0.0246 (3) | |
H5 | 0.3527 | −0.1242 | 0.3767 | 0.030* | |
C11 | −0.0014 (3) | 0.1789 (2) | 0.3167 (2) | 0.0486 (5) | |
H11 | −0.0296 | 0.1723 | 0.4043 | 0.058* | |
C12 | 0.0890 (3) | 0.2709 (2) | 0.22857 (18) | 0.0462 (5) | |
H12 | 0.1211 | 0.3231 | 0.2576 | 0.055* | |
C13 | 0.13149 (19) | 0.28494 (16) | 0.09666 (16) | 0.0292 (3) | |
C14 | 0.0826 (2) | 0.20049 (19) | 0.06118 (19) | 0.0358 (4) | |
H14 | 0.1089 | 0.2049 | −0.0257 | 0.043* | |
C15 | −0.0056 (2) | 0.1098 (2) | 0.1566 (2) | 0.0413 (4) | |
H15 | −0.0355 | 0.0530 | 0.1315 | 0.050* | |
C16 | 0.3327 (3) | 0.5801 (2) | −0.06572 (18) | 0.0414 (4) | |
H16 | 0.3518 | 0.6430 | −0.0410 | 0.050* | |
C17 | 0.2551 (3) | 0.4816 (2) | 0.03043 (17) | 0.0404 (4) | |
H17 | 0.2253 | 0.4787 | 0.1170 | 0.048* | |
C18 | 0.22204 (19) | 0.38758 (16) | −0.00284 (15) | 0.0279 (3) | |
C19 | 0.2767 (3) | 0.3953 (2) | −0.13273 (19) | 0.0515 (5) | |
H19 | 0.2608 | 0.3330 | −0.1603 | 0.062* | |
C20 | 0.3555 (3) | 0.4965 (2) | −0.22154 (19) | 0.0544 (6) | |
H20 | 0.3924 | 0.4988 | −0.3079 | 0.065* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Co1 | 0.02731 (15) | 0.02675 (15) | 0.01189 (13) | −0.01560 (11) | −0.00041 (10) | −0.00699 (10) |
Cl1 | 0.0476 (3) | 0.0431 (2) | 0.0316 (2) | −0.0248 (2) | 0.00596 (17) | −0.01835 (18) |
O1 | 0.0526 (7) | 0.0292 (6) | 0.0185 (5) | −0.0218 (5) | 0.0047 (5) | −0.0082 (4) |
O1W | 0.0497 (8) | 0.0490 (8) | 0.0415 (8) | −0.0157 (7) | 0.0008 (6) | −0.0204 (6) |
O2 | 0.0291 (6) | 0.0366 (6) | 0.0254 (5) | −0.0162 (5) | 0.0013 (4) | −0.0126 (5) |
O3 | 0.0490 (9) | 0.0616 (10) | 0.0690 (11) | −0.0162 (7) | −0.0001 (8) | −0.0324 (8) |
O4 | 0.0855 (12) | 0.0422 (8) | 0.0454 (8) | −0.0285 (8) | 0.0030 (8) | −0.0176 (6) |
O5 | 0.0724 (10) | 0.0718 (10) | 0.0419 (8) | −0.0498 (9) | 0.0185 (7) | −0.0240 (7) |
O6 | 0.0940 (13) | 0.0762 (11) | 0.0512 (10) | −0.0387 (10) | −0.0143 (9) | −0.0300 (9) |
N1 | 0.0272 (6) | 0.0290 (6) | 0.0148 (5) | −0.0139 (5) | −0.0012 (4) | −0.0084 (5) |
N6 | 0.0317 (7) | 0.0383 (8) | 0.0466 (9) | −0.0179 (6) | −0.0048 (6) | −0.0035 (7) |
N7 | 0.0455 (8) | 0.0305 (7) | 0.0288 (7) | −0.0171 (6) | 0.0015 (6) | −0.0062 (6) |
C1 | 0.0365 (8) | 0.0369 (8) | 0.0179 (7) | −0.0237 (7) | −0.0007 (6) | −0.0104 (6) |
C2 | 0.0355 (8) | 0.0357 (8) | 0.0150 (6) | −0.0230 (7) | 0.0013 (5) | −0.0083 (6) |
C3 | 0.0222 (6) | 0.0232 (6) | 0.0149 (6) | −0.0080 (5) | −0.0027 (5) | −0.0077 (5) |
C4 | 0.0295 (7) | 0.0316 (7) | 0.0175 (7) | −0.0175 (6) | −0.0021 (5) | −0.0086 (5) |
C5 | 0.0311 (7) | 0.0325 (7) | 0.0152 (6) | −0.0188 (6) | −0.0002 (5) | −0.0073 (5) |
C11 | 0.0590 (12) | 0.0563 (12) | 0.0314 (9) | −0.0358 (10) | −0.0022 (8) | −0.0037 (8) |
C12 | 0.0651 (13) | 0.0516 (11) | 0.0308 (9) | −0.0385 (10) | −0.0033 (8) | −0.0073 (8) |
C13 | 0.0276 (7) | 0.0241 (7) | 0.0303 (8) | −0.0082 (6) | −0.0051 (6) | −0.0044 (6) |
C14 | 0.0310 (8) | 0.0381 (9) | 0.0398 (9) | −0.0132 (7) | −0.0030 (7) | −0.0147 (7) |
C15 | 0.0327 (9) | 0.0415 (10) | 0.0537 (11) | −0.0185 (8) | −0.0027 (8) | −0.0170 (8) |
C16 | 0.0592 (12) | 0.0392 (9) | 0.0326 (9) | −0.0292 (9) | 0.0017 (8) | −0.0125 (7) |
C17 | 0.0576 (11) | 0.0425 (10) | 0.0258 (8) | −0.0297 (9) | 0.0053 (7) | −0.0119 (7) |
C18 | 0.0285 (7) | 0.0231 (7) | 0.0271 (8) | −0.0075 (6) | −0.0041 (6) | −0.0053 (6) |
C19 | 0.0893 (16) | 0.0470 (11) | 0.0311 (9) | −0.0427 (11) | 0.0009 (10) | −0.0131 (8) |
C20 | 0.0916 (17) | 0.0531 (12) | 0.0263 (9) | −0.0436 (12) | 0.0055 (10) | −0.0123 (8) |
Co1—O1i | 2.0938 (12) | C2—C3 | 1.3950 (19) |
Co1—O1 | 2.0938 (12) | C2—H2 | 0.9300 |
Co1—O2i | 2.1024 (12) | C3—C4 | 1.3948 (19) |
Co1—O2 | 2.1024 (12) | C3—C3ii | 1.491 (3) |
Co1—N1 | 2.1500 (12) | C4—C5 | 1.3878 (19) |
Co1—N1i | 2.1500 (12) | C4—H4 | 0.9300 |
Cl1—O5 | 1.4251 (15) | C5—H5 | 0.9300 |
Cl1—O4 | 1.4361 (15) | C11—C12 | 1.385 (3) |
Cl1—O6 | 1.4365 (16) | C11—H11 | 0.9300 |
Cl1—O3 | 1.4450 (17) | C12—C13 | 1.389 (3) |
O1—H1A | 0.856 (15) | C12—H12 | 0.9300 |
O1—H1B | 0.852 (15) | C13—C14 | 1.395 (2) |
O1W—H1WA | 0.868 (16) | C13—C18 | 1.492 (2) |
O1W—H1WB | 0.881 (16) | C14—C15 | 1.387 (3) |
O2—H2A | 0.883 (15) | C14—H14 | 0.9300 |
O2—H2B | 0.849 (15) | C15—H15 | 0.9300 |
N1—C1 | 1.3399 (18) | C16—C17 | 1.385 (2) |
N1—C5 | 1.3435 (18) | C16—H16 | 0.9300 |
N6—C11 | 1.333 (3) | C17—C18 | 1.384 (2) |
N6—C15 | 1.337 (3) | C17—H17 | 0.9300 |
N7—C16 | 1.322 (2) | C18—C19 | 1.386 (3) |
N7—C20 | 1.328 (3) | C19—C20 | 1.388 (3) |
C1—C2 | 1.384 (2) | C19—H19 | 0.9300 |
C1—H1 | 0.9300 | C20—H20 | 0.9300 |
O1i—Co1—O1 | 180.000 (1) | C4—C3—C2 | 116.62 (12) |
O1i—Co1—O2i | 91.24 (5) | C4—C3—C3ii | 121.98 (15) |
O1—Co1—O2i | 88.76 (5) | C2—C3—C3ii | 121.39 (15) |
O1i—Co1—O2 | 88.76 (5) | C5—C4—C3 | 119.88 (13) |
O1—Co1—O2 | 91.24 (5) | C5—C4—H4 | 120.1 |
O2i—Co1—O2 | 180.0 | C3—C4—H4 | 120.1 |
O1i—Co1—N1 | 87.77 (5) | N1—C5—C4 | 123.30 (13) |
O1—Co1—N1 | 92.23 (5) | N1—C5—H5 | 118.3 |
O2i—Co1—N1 | 90.66 (4) | C4—C5—H5 | 118.3 |
O2—Co1—N1 | 89.34 (4) | N6—C11—C12 | 123.61 (19) |
O1i—Co1—N1i | 92.23 (5) | N6—C11—H11 | 118.2 |
O1—Co1—N1i | 87.77 (5) | C12—C11—H11 | 118.2 |
O2i—Co1—N1i | 89.34 (4) | C11—C12—C13 | 119.77 (18) |
O2—Co1—N1i | 90.66 (4) | C11—C12—H12 | 120.1 |
N1—Co1—N1i | 180.0 | C13—C12—H12 | 120.1 |
O5—Cl1—O4 | 110.45 (9) | C12—C13—C14 | 116.80 (16) |
O5—Cl1—O6 | 110.12 (11) | C12—C13—C18 | 121.64 (16) |
O4—Cl1—O6 | 109.46 (11) | C14—C13—C18 | 121.55 (15) |
O5—Cl1—O3 | 108.74 (11) | C15—C14—C13 | 119.38 (17) |
O4—Cl1—O3 | 108.86 (11) | C15—C14—H14 | 120.3 |
O6—Cl1—O3 | 109.19 (11) | C13—C14—H14 | 120.3 |
Co1—O1—H1A | 119.4 (14) | N6—C15—C14 | 123.67 (18) |
Co1—O1—H1B | 133.1 (14) | N6—C15—H15 | 118.2 |
H1A—O1—H1B | 106.9 (18) | C14—C15—H15 | 118.2 |
H1WA—O1W—H1WB | 102 (2) | N7—C16—C17 | 124.13 (17) |
Co1—O2—H2A | 123.8 (13) | N7—C16—H16 | 117.9 |
Co1—O2—H2B | 118.8 (13) | C17—C16—H16 | 117.9 |
H2A—O2—H2B | 101.8 (18) | C18—C17—C16 | 119.71 (16) |
C1—N1—C5 | 116.71 (12) | C18—C17—H17 | 120.1 |
C1—N1—Co1 | 119.99 (9) | C16—C17—H17 | 120.1 |
C5—N1—Co1 | 123.29 (9) | C17—C18—C19 | 116.31 (15) |
C11—N6—C15 | 116.74 (16) | C17—C18—C13 | 121.17 (15) |
C16—N7—C20 | 116.24 (15) | C19—C18—C13 | 122.51 (16) |
N1—C1—C2 | 123.68 (13) | C18—C19—C20 | 119.67 (18) |
N1—C1—H1 | 118.2 | C18—C19—H19 | 120.2 |
C2—C1—H1 | 118.2 | C20—C19—H19 | 120.2 |
C1—C2—C3 | 119.79 (13) | N7—C20—C19 | 123.85 (18) |
C1—C2—H2 | 120.1 | N7—C20—H20 | 118.1 |
C3—C2—H2 | 120.1 | C19—C20—H20 | 118.1 |
O1i—Co1—N1—C1 | −141.42 (12) | N6—C11—C12—C13 | 0.8 (4) |
O1—Co1—N1—C1 | 38.58 (12) | C11—C12—C13—C14 | −1.6 (3) |
O2i—Co1—N1—C1 | 127.37 (12) | C11—C12—C13—C18 | 177.17 (18) |
O2—Co1—N1—C1 | −52.63 (12) | C12—C13—C14—C15 | 0.7 (3) |
O1i—Co1—N1—C5 | 39.55 (12) | C18—C13—C14—C15 | −178.08 (16) |
O1—Co1—N1—C5 | −140.45 (12) | C11—N6—C15—C14 | −1.9 (3) |
O2i—Co1—N1—C5 | −51.66 (12) | C13—C14—C15—N6 | 1.1 (3) |
O2—Co1—N1—C5 | 128.34 (12) | C20—N7—C16—C17 | −1.5 (3) |
C5—N1—C1—C2 | 0.1 (2) | N7—C16—C17—C18 | −1.0 (3) |
Co1—N1—C1—C2 | −179.04 (13) | C16—C17—C18—C19 | 2.6 (3) |
N1—C1—C2—C3 | −0.2 (3) | C16—C17—C18—C13 | −177.01 (17) |
C1—C2—C3—C4 | −0.4 (2) | C12—C13—C18—C17 | −5.5 (3) |
C1—C2—C3—C3ii | 179.68 (16) | C14—C13—C18—C17 | 173.20 (17) |
C2—C3—C4—C5 | 1.0 (2) | C12—C13—C18—C19 | 174.9 (2) |
C3ii—C3—C4—C5 | −179.08 (16) | C14—C13—C18—C19 | −6.4 (3) |
C1—N1—C5—C4 | 0.6 (2) | C17—C18—C19—C20 | −1.8 (3) |
Co1—N1—C5—C4 | 179.65 (11) | C13—C18—C19—C20 | 177.9 (2) |
C3—C4—C5—N1 | −1.1 (2) | C16—N7—C20—C19 | 2.5 (4) |
C15—N6—C11—C12 | 0.9 (3) | C18—C19—C20—N7 | −0.8 (4) |
Symmetry codes: (i) −x+1, −y, −z+1; (ii) −x+1, −y, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1A···O1W | 0.86 (2) | 1.89 (2) | 2.7406 (19) | 176 (2) |
O1—H1B···N7iii | 0.85 (2) | 1.94 (2) | 2.7744 (18) | 165 (2) |
O1W—H1WA···O3iv | 0.87 (2) | 2.08 (2) | 2.924 (2) | 164 (2) |
O1W—H1WB···O6 | 0.88 (2) | 2.19 (2) | 3.070 (3) | 174 (2) |
O2—H2A···N6v | 0.88 (2) | 1.83 (2) | 2.7058 (19) | 174 (2) |
O2—H2B···O3vi | 0.85 (2) | 2.21 (2) | 2.957 (2) | 147 (2) |
Symmetry codes: (iii) −x+1, −y+1, −z; (iv) −x, −y+1, −z+1; (v) x+1, y, z; (vi) x+1, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | [Co(C10H8N2)(H2O)4](ClO4)2·2C10H8N2·2H2O |
Mr | 834.48 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 173 |
a, b, c (Å) | 8.9590 (17), 10.846 (2), 11.433 (2) |
α, β, γ (°) | 64.290 (2), 71.747 (2), 66.848 (2) |
V (Å3) | 906.6 (3) |
Z | 1 |
Radiation type | Mo Kα |
µ (mm−1) | 0.70 |
Crystal size (mm) | 0.35 × 0.30 × 0.25 |
Data collection | |
Diffractometer | Bruker SMART 1K diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.793, 0.845 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 10254, 4087, 3754 |
Rint | 0.018 |
(sin θ/λ)max (Å−1) | 0.666 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.030, 0.085, 1.06 |
No. of reflections | 4087 |
No. of parameters | 259 |
No. of restraints | 9 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.35, −0.32 |
Computer programs: SMART (Bruker, 2003), SAINT-Plus (Bruker, 2003), SAINT-Plus (Bruker, 2003), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), Crystal Maker (Palmer, 2007).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1A···O1W | 0.856 (15) | 1.886 (16) | 2.7406 (19) | 176 (2) |
O1—H1B···N7i | 0.852 (15) | 1.943 (16) | 2.7744 (18) | 165 (2) |
O1W—H1WA···O3ii | 0.868 (16) | 2.079 (17) | 2.924 (2) | 164 (2) |
O1W—H1WB···O6 | 0.881 (16) | 2.192 (16) | 3.070 (3) | 174 (2) |
O2—H2A···N6iii | 0.883 (15) | 1.826 (15) | 2.7058 (19) | 174.1 (19) |
O2—H2B···O3iv | 0.849 (15) | 2.212 (17) | 2.957 (2) | 146.5 (18) |
Symmetry codes: (i) −x+1, −y+1, −z; (ii) −x, −y+1, −z+1; (iii) x+1, y, z; (iv) x+1, y−1, z. |
The dipodal tethering ligand 4,4'-bipyridine has proven extremely advantageous for the construction of coordination polymer solids (Yaghi et al., 1998). In an attempt to prepare a divalent cobalt coordination polymer incorporating both 2-methylglutarate and 4,4'-bipyridine, yellow block crystals of the title compound were obtained.
The asymmetric unit of the title compound contains a cobalt atom on a crystallographic inversion center, two aqua ligands, one-half of a 4,4'-bipyridine ligand, one uncoordinated perchlorate anion, one unligated 4,4'-bipyridine molecule and one water molecule of crystallization (Figure 1).
Tethering 4,4'-bipyridine ligands connect the CoII ions into one-dimensional cationic {[Co(H2O)4(C10H8N2)]n2n+ chain motifs that are oriented parallel to the c crystal direction. The Co···Co through-ligand contact distance is 11.433 (2) Å. These chains are connected into pseudolayer patterns by hydrogen-bonding mechanisms involving the aqua ligands, perchlorate anions, and water molecules of crystallization (Figure 2), which lie parallel to the (1 1 0) crystal planes. Unligated 4,4'-bipyridine molecules project axially into and out of the apertures in each pseudolayer.
In turn, the pseudolayers stack in an AB arrangement, and interact with their next nearest neighbors by hydrogen-bonding donation from aqua ligands to the uncoordinated 4,4'-bipyridine molecules to form the three-dimensional structure of the title compound (Figure 3). As a result a twofold interpenetrated primitive cubic supramolecular network can be invoked (Figure 4).