metal-organic compounds
catena-Poly[[diaqua(1H-imidazo[4,5-f][1,10]phenanthroline)cobalt(II)]-μ-sulfato]
aDepartment of Chemistry, Lishui University, 323000 Lishui, Zhejiang, People's Republic of China
*Correspondence e-mail: jianyu01@126.com
The CoII ion in the title complex, [Co(SO4)(C13H8N4)(H2O)2]n, has a slightly distorted octahedral coordination environment formed by two O atoms from two symmetry-related bridging sulfate ligands, two N atoms from a bis-chelating 1H-imidazo[4,5-f][1,10]phenanthroline (IPL) ligand and two O atoms from coordinated water molecules. The bridging sulfate ligands connect CoII ions to form a one-dimensional chain along the b-axis direction. In the intermolecular O—H⋯O, O—H⋯N and N—H⋯O hydrogen bonds link the chains into a three-dimensional network.
Related literature
For general background on coordination polymers, see: Ghosh et al. (2004). For related IPL coordination complexes, see: Xiong et al. (1999). For related structures of coordination polymers, see: Liu et al. (2008).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2004); cell SAINT (Bruker, 2004); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536809016419/lh2814sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809016419/lh2814Isup2.hkl
The title compound was prepared by hydrothermal conditions. IPL (22mg, 0.1 mmol) in an aqueous solution (10 mL) was mixed with an aqueous solution (5mL) of Co(SO4)2 (31mg, 0.12mmol). After stirring for 30 min in air, the mixture was placed into 25 mL Teflon-lined autoclave and heated at 383K for 96h. The autoclave was cooled at a rate 5° h-1. The title complex as pink crystal was collected by filtration, washed with water, and dried in air.
All H atoms attached to C atoms and N atom were fixed geometrically and treated as riding with C—H = 0.93 Å; N-H = 0.86 Å with Uiso(H) = 1.2Ueq. H atoms of water molecule were located in difference Fourier maps and included in the subsequent
using restraints (O-H = 0.82 (1) Å).Data collection: APEX2 (Bruker, 2004); cell
SAINT (Bruker, 2004); data reduction: SAINT (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. Molecular structure of the title compound showing the atom-labeling scheme [Symmetry codes: (i) -x+1,y+1/2,-z+1/2]. Displacement ellipsoids are shown at the 30% probability level. | |
Fig. 2. Part of the crystal structure showing hydrogen bonds as dashed lines. |
[Co(SO4)(C13H8N4)(H2O)2] | F(000) = 836 |
Mr = 411.26 | Dx = 1.835 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 2639 reflections |
a = 10.916 (4) Å | θ = 2.1–25.1° |
b = 7.017 (2) Å | µ = 1.34 mm−1 |
c = 19.690 (7) Å | T = 298 K |
β = 99.353 (7)° | Block, pink |
V = 1488.2 (9) Å3 | 0.27 × 0.15 × 0.10 mm |
Z = 4 |
Bruker APEXII area-detector diffractometer | 2639 independent reflections |
Radiation source: fine-focus sealed tube | 1216 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.108 |
ϕ and ω scans | θmax = 25.1°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | h = −13→11 |
Tmin = 0.714, Tmax = 0.878 | k = −7→8 |
7263 measured reflections | l = −22→23 |
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)] = 0.063 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.100 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.24 | w = 1/[σ2(Fo2) + 0.5747P] where P = (Fo2 + 2Fc2)/3 |
2639 reflections | (Δ/σ)max < 0.001 |
242 parameters | Δρmax = 0.53 e Å−3 |
16 restraints | Δρmin = −0.80 e Å−3 |
[Co(SO4)(C13H8N4)(H2O)2] | V = 1488.2 (9) Å3 |
Mr = 411.26 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 10.916 (4) Å | µ = 1.34 mm−1 |
b = 7.017 (2) Å | T = 298 K |
c = 19.690 (7) Å | 0.27 × 0.15 × 0.10 mm |
β = 99.353 (7)° |
Bruker APEXII area-detector diffractometer | 2639 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2004) | 1216 reflections with I > 2σ(I) |
Tmin = 0.714, Tmax = 0.878 | Rint = 0.108 |
7263 measured reflections |
R[F2 > 2σ(F2)] = 0.063 | 16 restraints |
wR(F2) = 0.100 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.24 | Δρmax = 0.53 e Å−3 |
2639 reflections | Δρmin = −0.80 e Å−3 |
242 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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 | 0.34886 (10) | 0.82399 (16) | 0.17466 (5) | 0.0429 (4) | |
S1 | 0.56896 (17) | 0.4999 (3) | 0.16741 (9) | 0.0274 (5) | |
N1 | 0.1702 (5) | 0.6658 (8) | 0.1762 (3) | 0.0245 (14) | |
N2 | 0.2484 (5) | 0.8137 (8) | 0.0647 (2) | 0.0250 (14) | |
N3 | −0.2426 (5) | 0.6042 (7) | 0.0324 (3) | 0.0267 (16) | |
H3A | −0.2918 | 0.5566 | 0.0579 | 0.032* | |
N4 | −0.1771 (5) | 0.7193 (8) | −0.0599 (2) | 0.0291 (16) | |
O1 | 0.2408 (5) | 1.0847 (8) | 0.1803 (2) | 0.0445 (15) | |
O2 | 0.5124 (5) | 0.9751 (8) | 0.1509 (3) | 0.0412 (14) | |
O3 | 0.4411 (4) | 0.5535 (6) | 0.1725 (2) | 0.0350 (14) | |
O4 | 0.5748 (4) | 0.4383 (7) | 0.09768 (19) | 0.0386 (14) | |
O5 | 0.6524 (4) | 0.6627 (7) | 0.18635 (19) | 0.0323 (12) | |
O6 | 0.6059 (4) | 0.3399 (6) | 0.21441 (19) | 0.0307 (12) | |
C1 | 0.1378 (7) | 0.5856 (9) | 0.2311 (3) | 0.031 (2) | |
H1A | 0.1966 | 0.5749 | 0.2708 | 0.037* | |
C2 | 0.0173 (7) | 0.5157 (10) | 0.2320 (3) | 0.0332 (19) | |
H2A | −0.0017 | 0.4581 | 0.2715 | 0.040* | |
C3 | −0.0704 (7) | 0.5316 (10) | 0.1759 (3) | 0.034 (2) | |
H3 | −0.1503 | 0.4864 | 0.1764 | 0.041* | |
C4 | −0.0385 (6) | 0.6200 (9) | 0.1152 (3) | 0.0238 (18) | |
C5 | −0.1175 (6) | 0.6462 (10) | 0.0526 (3) | 0.0265 (18) | |
C6 | −0.2719 (6) | 0.6509 (10) | −0.0334 (3) | 0.0278 (18) | |
H6 | −0.3512 | 0.6371 | −0.0585 | 0.033* | |
C7 | −0.0817 (6) | 0.7170 (10) | −0.0066 (3) | 0.0254 (18) | |
C8 | 0.0452 (6) | 0.7759 (9) | −0.0039 (3) | 0.0216 (18) | |
C9 | 0.0918 (7) | 0.8457 (9) | −0.0621 (3) | 0.0286 (18) | |
H9 | 0.0403 | 0.8592 | −0.1043 | 0.034* | |
C10 | 0.2155 (7) | 0.8930 (10) | −0.0542 (3) | 0.036 (2) | |
H10 | 0.2491 | 0.9375 | −0.0917 | 0.043* | |
C11 | 0.2904 (7) | 0.8744 (9) | 0.0098 (3) | 0.032 (2) | |
H11 | 0.3740 | 0.9063 | 0.0138 | 0.039* | |
C12 | 0.1267 (6) | 0.7589 (9) | 0.0569 (3) | 0.0226 (18) | |
C13 | 0.0858 (6) | 0.6824 (10) | 0.1185 (3) | 0.0237 (17) | |
H1B | 0.213 (6) | 1.151 (9) | 0.146 (2) | 0.052 (12)* | |
H2B | 0.549 (6) | 1.076 (5) | 0.159 (3) | 0.041 (7)* | |
H1C | 0.291 (5) | 1.130 (10) | 0.212 (2) | 0.049 (9)* | |
H2C | 0.570 (4) | 0.898 (7) | 0.160 (3) | 0.041 (7)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Co1 | 0.0385 (7) | 0.0469 (8) | 0.0425 (6) | 0.0000 (7) | 0.0044 (5) | −0.0012 (6) |
S1 | 0.0247 (11) | 0.0297 (13) | 0.0272 (10) | 0.0014 (11) | 0.0024 (8) | −0.0027 (10) |
N1 | 0.025 (4) | 0.023 (4) | 0.025 (3) | 0.001 (3) | 0.002 (3) | 0.001 (3) |
N2 | 0.028 (4) | 0.023 (4) | 0.025 (3) | 0.002 (3) | 0.008 (3) | −0.002 (3) |
N3 | 0.020 (4) | 0.037 (4) | 0.025 (3) | −0.005 (3) | 0.007 (3) | −0.001 (3) |
N4 | 0.028 (4) | 0.028 (4) | 0.029 (3) | 0.005 (3) | −0.001 (3) | 0.004 (3) |
O1 | 0.052 (4) | 0.041 (4) | 0.036 (4) | 0.018 (3) | −0.008 (3) | 0.007 (3) |
O2 | 0.031 (4) | 0.027 (4) | 0.067 (4) | −0.004 (3) | 0.013 (3) | 0.006 (3) |
O3 | 0.022 (3) | 0.029 (4) | 0.053 (3) | 0.006 (3) | 0.002 (3) | 0.000 (2) |
O4 | 0.040 (3) | 0.054 (4) | 0.023 (3) | −0.009 (3) | 0.009 (3) | −0.005 (2) |
O5 | 0.025 (3) | 0.031 (3) | 0.039 (3) | −0.005 (3) | −0.002 (2) | 0.002 (3) |
O6 | 0.035 (3) | 0.026 (3) | 0.027 (2) | 0.004 (3) | −0.007 (2) | 0.004 (2) |
C1 | 0.042 (5) | 0.027 (5) | 0.020 (4) | 0.001 (4) | −0.007 (4) | 0.002 (3) |
C2 | 0.036 (5) | 0.035 (5) | 0.031 (4) | −0.003 (5) | 0.010 (4) | 0.004 (4) |
C3 | 0.033 (5) | 0.042 (6) | 0.029 (4) | 0.005 (4) | 0.012 (4) | −0.003 (4) |
C4 | 0.025 (4) | 0.011 (5) | 0.034 (4) | 0.003 (4) | 0.003 (4) | −0.006 (3) |
C5 | 0.023 (4) | 0.025 (5) | 0.031 (4) | −0.001 (4) | 0.003 (4) | −0.006 (4) |
C6 | 0.024 (4) | 0.024 (5) | 0.034 (4) | 0.009 (4) | −0.002 (4) | −0.002 (4) |
C7 | 0.022 (4) | 0.021 (5) | 0.032 (4) | 0.001 (4) | 0.002 (4) | 0.004 (4) |
C8 | 0.018 (4) | 0.016 (5) | 0.029 (4) | 0.000 (3) | −0.001 (3) | −0.002 (3) |
C9 | 0.035 (5) | 0.018 (5) | 0.032 (4) | 0.002 (4) | 0.001 (4) | −0.001 (4) |
C10 | 0.051 (6) | 0.036 (6) | 0.028 (4) | −0.002 (4) | 0.025 (4) | −0.002 (4) |
C11 | 0.030 (5) | 0.033 (5) | 0.036 (5) | 0.000 (4) | 0.012 (4) | 0.005 (4) |
C12 | 0.023 (5) | 0.021 (5) | 0.024 (4) | 0.005 (4) | 0.005 (4) | 0.000 (3) |
C13 | 0.029 (4) | 0.015 (4) | 0.027 (4) | 0.003 (4) | 0.004 (3) | −0.003 (4) |
Co1—O3 | 2.152 (4) | O2—H2C | 0.83 (5) |
Co1—O6i | 2.162 (4) | O6—Co1ii | 2.162 (4) |
Co1—O2 | 2.192 (5) | C1—C2 | 1.406 (9) |
Co1—O1 | 2.190 (5) | C1—H1A | 0.9300 |
Co1—N1 | 2.249 (5) | C2—C3 | 1.343 (8) |
Co1—N2 | 2.263 (5) | C2—H2A | 0.9300 |
S1—O4 | 1.451 (4) | C3—C4 | 1.438 (8) |
S1—O3 | 1.465 (4) | C3—H3 | 0.9300 |
S1—O6 | 1.469 (4) | C4—C5 | 1.397 (8) |
S1—O5 | 1.471 (5) | C4—C13 | 1.417 (9) |
N1—C1 | 1.317 (7) | C5—C7 | 1.382 (8) |
N1—C13 | 1.347 (7) | C6—H6 | 0.9300 |
N2—C11 | 1.312 (7) | C7—C8 | 1.438 (8) |
N2—C12 | 1.368 (7) | C8—C12 | 1.375 (8) |
N3—C6 | 1.325 (7) | C8—C9 | 1.414 (8) |
N3—C5 | 1.391 (7) | C9—C10 | 1.374 (9) |
N3—H3A | 0.8600 | C9—H9 | 0.9300 |
N4—C6 | 1.322 (7) | C10—C11 | 1.393 (9) |
N4—C7 | 1.353 (8) | C10—H10 | 0.9300 |
O1—H1B | 0.84 (5) | C11—H11 | 0.9300 |
O1—H1C | 0.82 (5) | C12—C13 | 1.462 (8) |
O2—H2B | 0.82 (5) | ||
O3—Co1—O6i | 91.96 (17) | N1—C1—C2 | 122.4 (7) |
O3—Co1—O2 | 91.30 (19) | N1—C1—H1A | 118.8 |
O6i—Co1—O2 | 97.5 (2) | C2—C1—H1A | 118.8 |
O3—Co1—O1 | 174.6 (2) | C3—C2—C1 | 120.3 (7) |
O6i—Co1—O1 | 86.69 (17) | C3—C2—H2A | 119.8 |
O2—Co1—O1 | 94.1 (2) | C1—C2—H2A | 119.8 |
O3—Co1—N1 | 88.53 (18) | C2—C3—C4 | 118.8 (7) |
O6i—Co1—N1 | 93.88 (18) | C2—C3—H3 | 120.6 |
O2—Co1—N1 | 168.6 (2) | C4—C3—H3 | 120.6 |
O1—Co1—N1 | 86.3 (2) | C5—C4—C13 | 116.6 (6) |
O3—Co1—N2 | 96.26 (18) | C5—C4—C3 | 126.3 (6) |
O6i—Co1—N2 | 164.44 (18) | C13—C4—C3 | 117.0 (6) |
O2—Co1—N2 | 95.5 (2) | C7—C5—N3 | 103.5 (6) |
O1—Co1—N2 | 83.90 (18) | C7—C5—C4 | 125.0 (7) |
N1—Co1—N2 | 73.20 (19) | N3—C5—C4 | 131.4 (6) |
O4—S1—O3 | 109.3 (3) | N4—C6—N3 | 113.4 (6) |
O4—S1—O6 | 108.6 (3) | N4—C6—H6 | 123.3 |
O3—S1—O6 | 108.7 (3) | N3—C6—H6 | 123.3 |
O4—S1—O5 | 110.5 (3) | N4—C7—C5 | 111.8 (6) |
O3—S1—O5 | 109.9 (3) | N4—C7—C8 | 129.9 (6) |
O6—S1—O5 | 109.8 (3) | C5—C7—C8 | 118.3 (7) |
C1—N1—C13 | 119.4 (6) | C12—C8—C9 | 117.9 (6) |
C1—N1—Co1 | 124.9 (5) | C12—C8—C7 | 119.4 (6) |
C13—N1—Co1 | 114.9 (4) | C9—C8—C7 | 122.7 (6) |
C11—N2—C12 | 117.5 (6) | C10—C9—C8 | 118.0 (6) |
C11—N2—Co1 | 126.7 (5) | C10—C9—H9 | 121.0 |
C12—N2—Co1 | 115.3 (4) | C8—C9—H9 | 121.0 |
C6—N3—C5 | 107.3 (5) | C9—C10—C11 | 120.0 (6) |
C6—N3—H3A | 126.4 | C9—C10—H10 | 120.0 |
C5—N3—H3A | 126.4 | C11—C10—H10 | 120.0 |
C6—N4—C7 | 104.1 (5) | N2—C11—C10 | 122.9 (7) |
Co1—O1—H1B | 124 (5) | N2—C11—H11 | 118.5 |
Co1—O1—H1C | 94 (5) | C10—C11—H11 | 118.5 |
H1B—O1—H1C | 121 (7) | N2—C12—C8 | 123.5 (6) |
Co1—O2—H2B | 140 (5) | N2—C12—C13 | 115.6 (6) |
Co1—O2—H2C | 105 (5) | C8—C12—C13 | 120.9 (6) |
H2B—O2—H2C | 101 (7) | N1—C13—C4 | 122.0 (6) |
S1—O3—Co1 | 133.0 (3) | N1—C13—C12 | 118.2 (6) |
S1—O6—Co1ii | 132.0 (3) | C4—C13—C12 | 119.7 (6) |
O3—Co1—N1—C1 | 79.0 (5) | C13—C4—C5—N3 | −179.2 (7) |
O6i—Co1—N1—C1 | −12.9 (5) | C3—C4—C5—N3 | 2.5 (12) |
O2—Co1—N1—C1 | 168.3 (9) | C7—N4—C6—N3 | −0.6 (8) |
O1—Co1—N1—C1 | −99.3 (5) | C5—N3—C6—N4 | 0.7 (8) |
N2—Co1—N1—C1 | 175.9 (6) | C6—N4—C7—C5 | 0.4 (8) |
O3—Co1—N1—C13 | −111.3 (5) | C6—N4—C7—C8 | −179.5 (7) |
O6i—Co1—N1—C13 | 156.9 (5) | N3—C5—C7—N4 | 0.0 (8) |
O2—Co1—N1—C13 | −22.0 (13) | C4—C5—C7—N4 | 177.6 (6) |
O1—Co1—N1—C13 | 70.4 (5) | N3—C5—C7—C8 | 179.9 (6) |
N2—Co1—N1—C13 | −14.3 (4) | C4—C5—C7—C8 | −2.5 (11) |
O3—Co1—N2—C11 | −88.4 (6) | N4—C7—C8—C12 | −179.6 (7) |
O6i—Co1—N2—C11 | 150.2 (7) | C5—C7—C8—C12 | 0.5 (10) |
O2—Co1—N2—C11 | 3.5 (6) | N4—C7—C8—C9 | −1.8 (12) |
O1—Co1—N2—C11 | 97.1 (6) | C5—C7—C8—C9 | 178.3 (7) |
N1—Co1—N2—C11 | −174.9 (6) | C12—C8—C9—C10 | −0.3 (10) |
O3—Co1—N2—C12 | 99.8 (5) | C7—C8—C9—C10 | −178.2 (6) |
O6i—Co1—N2—C12 | −21.7 (10) | C8—C9—C10—C11 | −1.0 (10) |
O2—Co1—N2—C12 | −168.3 (5) | C12—N2—C11—C10 | 3.1 (10) |
O1—Co1—N2—C12 | −74.8 (5) | Co1—N2—C11—C10 | −168.6 (5) |
N1—Co1—N2—C12 | 13.2 (4) | C9—C10—C11—N2 | −0.5 (11) |
O4—S1—O3—Co1 | −102.4 (4) | C11—N2—C12—C8 | −4.4 (10) |
O6—S1—O3—Co1 | 139.3 (3) | Co1—N2—C12—C8 | 168.2 (5) |
O5—S1—O3—Co1 | 19.1 (4) | C11—N2—C12—C13 | 176.7 (6) |
O6i—Co1—O3—S1 | −89.7 (4) | Co1—N2—C12—C13 | −10.7 (7) |
O2—Co1—O3—S1 | 7.9 (4) | C9—C8—C12—N2 | 3.0 (10) |
N1—Co1—O3—S1 | 176.5 (4) | C7—C8—C12—N2 | −179.0 (6) |
N2—Co1—O3—S1 | 103.6 (4) | C9—C8—C12—C13 | −178.1 (6) |
O4—S1—O6—Co1ii | 168.3 (3) | C7—C8—C12—C13 | −0.1 (10) |
O3—S1—O6—Co1ii | −72.9 (4) | C1—N1—C13—C4 | 1.4 (10) |
O5—S1—O6—Co1ii | 47.3 (4) | Co1—N1—C13—C4 | −168.9 (5) |
C13—N1—C1—C2 | 0.1 (10) | C1—N1—C13—C12 | −175.5 (6) |
Co1—N1—C1—C2 | 169.4 (5) | Co1—N1—C13—C12 | 14.1 (8) |
N1—C1—C2—C3 | −1.0 (11) | C5—C4—C13—N1 | 179.6 (6) |
C1—C2—C3—C4 | 0.5 (11) | C3—C4—C13—N1 | −1.9 (10) |
C2—C3—C4—C5 | 179.3 (7) | C5—C4—C13—C12 | −3.5 (10) |
C2—C3—C4—C13 | 0.9 (10) | C3—C4—C13—C12 | 175.0 (6) |
C6—N3—C5—C7 | −0.4 (7) | N2—C12—C13—N1 | −2.3 (9) |
C6—N3—C5—C4 | −177.7 (7) | C8—C12—C13—N1 | 178.8 (6) |
C13—C4—C5—C7 | 4.0 (11) | N2—C12—C13—C4 | −179.3 (6) |
C3—C4—C5—C7 | −174.3 (7) | C8—C12—C13—C4 | 1.7 (10) |
Symmetry codes: (i) −x+1, y+1/2, −z+1/2; (ii) −x+1, y−1/2, −z+1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2C···O5 | 0.83 (5) | 1.91 (3) | 2.698 (7) | 159 (7) |
O1—H1C···O5i | 0.82 (5) | 2.00 (4) | 2.749 (6) | 150 (7) |
O2—H2B···O6iii | 0.82 (5) | 2.18 (3) | 2.957 (7) | 158 (6) |
O1—H1B···N4iv | 0.84 (5) | 1.91 (5) | 2.731 (7) | 168 (7) |
N3—H3A···O4v | 0.86 | 1.95 | 2.795 (6) | 168 |
Symmetry codes: (i) −x+1, y+1/2, −z+1/2; (iii) x, y+1, z; (iv) −x, −y+2, −z; (v) x−1, y, z. |
Experimental details
Crystal data | |
Chemical formula | [Co(SO4)(C13H8N4)(H2O)2] |
Mr | 411.26 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 10.916 (4), 7.017 (2), 19.690 (7) |
β (°) | 99.353 (7) |
V (Å3) | 1488.2 (9) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.34 |
Crystal size (mm) | 0.27 × 0.15 × 0.10 |
Data collection | |
Diffractometer | Bruker APEXII area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2004) |
Tmin, Tmax | 0.714, 0.878 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7263, 2639, 1216 |
Rint | 0.108 |
(sin θ/λ)max (Å−1) | 0.597 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.063, 0.100, 1.24 |
No. of reflections | 2639 |
No. of parameters | 242 |
No. of restraints | 16 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.53, −0.80 |
Computer programs: APEX2 (Bruker, 2004), SAINT (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2C···O5 | 0.83 (5) | 1.91 (3) | 2.698 (7) | 159 (7) |
O1—H1C···O5i | 0.82 (5) | 2.00 (4) | 2.749 (6) | 150 (7) |
O2—H2B···O6ii | 0.82 (5) | 2.18 (3) | 2.957 (7) | 158 (6) |
O1—H1B···N4iii | 0.84 (5) | 1.91 (5) | 2.731 (7) | 168 (7) |
N3—H3A···O4iv | 0.86 | 1.95 | 2.795 (6) | 168.2 |
Symmetry codes: (i) −x+1, y+1/2, −z+1/2; (ii) x, y+1, z; (iii) −x, −y+2, −z; (iv) x−1, y, z. |
Acknowledgements
The author gratefully acknowledges financial support from the Youth Foundation of Lishui University, China (grant No. QN07014).
References
Bruker (2004). APEX2, SAINT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
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A wide range of extended one-dimensional, two-dimensional or three-dimenional frameworks with different interesting structural features, resulting from coordination bonding, hydrogen bonding, aromatic π···π stacking interactions play an important role in electron-transfer processes in some biological systems (Ghosh et al., 2004). 1H-imidazo[4,5-f][1,10]-phenanthroline (IPL) is a rich conjugated molecular building block and has been employed to construct frameworks (Xiong et al., 1999). Herein, we describe the preparation and crystal structure of the title complex (I).
The CoII ion in the title complex, has a slightly distorted octahedral coordination formed by two O atoms from symmetry related bridging sulfate ligands, two N atoms from a bis-chelate IPL ligand and two O atoms from coordinated water molecules (Figure 1). The Co—N and Co—O bond lengths are not significantly different from the values observed in related complexes (Liu et al., 2008). The bridging sulfate ligands connect CoII ions into a 1-D zigzag chain parallel to [0 1 0]. In the crystal structure, intermolecular O-H···O, O-H···N and N-H···O hydrogen bonds link one dimensional chains into a three dimensional network (Fig. 2). In addition, significant π···π stacking interactions with centroid to centroid distances in the range 3.465 (4)-3.548 (4)Å help stabilize the crystal structure.