Acta Cryst. (2009). E65, m47 [ doi:10.1107/S160053680804155X ]
3-triazolato-cobalt(II)]The title compound, [Co(C2H2N3)(C7H3N2O6)]n, was obtained by the reaction of CoCl2, triazole and 3,5-dinitrobenzoic acid in a 1:1:1 ratio. The Co centre is in a distorted tetrahedral coordination by three N atoms of three different triazole ligands and one O atom of the 3,5-dinitrobenzoate anion.
CoCl2 (1.0 mmol), 3,5-dinitrobenzoic acid (1 mmol), and triazole (1 mmol) were dissolved in water (10 ml). The solution was heated in a 25 ml Teflon lined reaction vessel at 433 K for ca 3 days and then cooled to room temperature. Purple crystals were obtained in a yield of 85%.
All H atoms were positioned geometrically and refined using a riding model with C—H = 0.93–0.96 Å and with Uiso(H) = 1.2Ueq(C).
Data collection: SMART (Bruker, 2001); cell refinement: SMART (Bruker, 2001); data reduction: SAINT (Bruker, 2001); 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: SHELXL97 (Sheldrick, 2008).
| [Co(C2H2N3)(C7H3N2O6)] | F(000) = 676 |
| Mr = 338.11 | Dx = 1.972 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 11.326 (2) Å | Cell parameters from 8661 reflections |
| b = 9.4043 (19) Å | θ = 3.4–27.5° |
| c = 10.696 (2) Å | µ = 1.55 mm−1 |
| β = 91.22 (3)° | T = 296 K |
| V = 1139.0 (4) Å3 | Block, red |
| Z = 4 | 0.14 × 0.12 × 0.10 mm |
| Bruker SMART 1K CCD area-detector diffractometer | 2602 independent reflections |
| Radiation source: rotating anode | 2256 reflections with I > 2σ(I) |
| graphite | Rint = 0.041 |
| ω scans | θmax = 27.5°, θmin = 3.4° |
| Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | h = −14→14 |
| Tmin = 0.812, Tmax = 0.861 | k = −12→12 |
| 10929 measured reflections | l = −13→13 |
| 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)] = 0.026 | Hydrogen site location: inferred from neighbouring sites |
| wR(F2) = 0.060 | H-atom parameters constrained |
| S = 1.03 | w = 1/[σ2(Fo2) + (0.0193P)2 + 0.8847P] where P = (Fo2 + 2Fc2)/3 |
| 2602 reflections | (Δ/σ)max = 0.001 |
| 190 parameters | Δρmax = 0.33 e Å−3 |
| 0 restraints | Δρmin = −0.36 e Å−3 |
| [Co(C2H2N3)(C7H3N2O6)] | V = 1139.0 (4) Å3 |
| Mr = 338.11 | Z = 4 |
| Monoclinic, P21/c | Mo Kα radiation |
| a = 11.326 (2) Å | µ = 1.55 mm−1 |
| b = 9.4043 (19) Å | T = 296 K |
| c = 10.696 (2) Å | 0.14 × 0.12 × 0.10 mm |
| β = 91.22 (3)° |
| Bruker SMART 1K CCD area-detector diffractometer | 2602 independent reflections |
| Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | 2256 reflections with I > 2σ(I) |
| Tmin = 0.812, Tmax = 0.861 | Rint = 0.041 |
| 10929 measured reflections | θmax = 27.5° |
| R[F2 > 2σ(F2)] = 0.026 | H-atom parameters constrained |
| wR(F2) = 0.060 | Δρmax = 0.33 e Å−3 |
| S = 1.03 | Δρmin = −0.36 e Å−3 |
| 2602 reflections | Absolute structure: ? |
| 190 parameters | Flack parameter: ? |
| 0 restraints | Rogers parameter: ? |
| x | y | z | Uiso*/Ueq | ||
| C1 | −0.01347 (15) | 0.35028 (19) | 0.25548 (18) | 0.0159 (4) | |
| H1 | −0.0595 | 0.3768 | 0.3226 | 0.019* | |
| C2 | 0.10642 (16) | 0.24145 (19) | 0.14215 (18) | 0.0176 (4) | |
| H2 | 0.1617 | 0.1761 | 0.1145 | 0.021* | |
| C3 | 0.32087 (15) | 0.02322 (19) | 0.30024 (19) | 0.0187 (4) | |
| C4 | 0.45442 (15) | 0.03032 (19) | 0.29392 (19) | 0.0174 (4) | |
| C5 | 0.51022 (16) | −0.0334 (2) | 0.19406 (19) | 0.0186 (4) | |
| H5 | 0.4668 | −0.0830 | 0.1335 | 0.022* | |
| C6 | 0.52033 (16) | 0.1050 (2) | 0.38296 (19) | 0.0181 (4) | |
| H6 | 0.4838 | 0.1486 | 0.4499 | 0.022* | |
| C7 | 0.64177 (16) | 0.1134 (2) | 0.37020 (19) | 0.0185 (4) | |
| C8 | 0.70035 (16) | 0.0510 (2) | 0.27338 (19) | 0.0199 (4) | |
| H8 | 0.7819 | 0.0574 | 0.2668 | 0.024* | |
| C9 | 0.63179 (16) | −0.0217 (2) | 0.18643 (19) | 0.0195 (4) | |
| Co1 | 0.10473 (2) | 0.09672 (2) | 0.39456 (2) | 0.01158 (8) | |
| N1 | 0.05927 (13) | 0.23721 (15) | 0.25698 (14) | 0.0148 (3) | |
| N2 | 0.06612 (12) | 0.34762 (16) | 0.07340 (14) | 0.0142 (3) | |
| N3 | −0.01218 (12) | 0.41947 (15) | 0.14790 (14) | 0.0140 (3) | |
| N4 | 0.69050 (14) | −0.08206 (18) | 0.07799 (17) | 0.0236 (4) | |
| N5 | 0.71165 (14) | 0.19524 (18) | 0.46234 (16) | 0.0217 (4) | |
| O1 | 0.27667 (11) | 0.08348 (14) | 0.39657 (14) | 0.0209 (3) | |
| O2 | 0.26354 (12) | −0.03470 (16) | 0.21590 (14) | 0.0270 (3) | |
| O3 | 0.79840 (13) | −0.0720 (2) | 0.07570 (16) | 0.0399 (4) | |
| O4 | 0.63013 (13) | −0.13889 (16) | −0.00391 (14) | 0.0277 (3) | |
| O5 | 0.65828 (13) | 0.25969 (17) | 0.54211 (16) | 0.0339 (4) | |
| O6 | 0.81961 (12) | 0.19449 (16) | 0.45430 (15) | 0.0296 (3) |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| C1 | 0.0157 (8) | 0.0187 (8) | 0.0137 (9) | 0.0024 (7) | 0.0040 (7) | 0.0001 (7) |
| C2 | 0.0198 (9) | 0.0189 (9) | 0.0144 (9) | 0.0055 (7) | 0.0045 (7) | 0.0008 (7) |
| C3 | 0.0146 (8) | 0.0190 (9) | 0.0226 (10) | 0.0003 (7) | 0.0033 (7) | 0.0074 (8) |
| C4 | 0.0144 (8) | 0.0176 (8) | 0.0202 (10) | 0.0012 (7) | 0.0023 (7) | 0.0035 (8) |
| C5 | 0.0176 (8) | 0.0192 (9) | 0.0190 (10) | 0.0008 (7) | 0.0001 (7) | 0.0011 (8) |
| C6 | 0.0161 (8) | 0.0188 (9) | 0.0194 (10) | 0.0029 (7) | 0.0027 (7) | 0.0019 (8) |
| C7 | 0.0155 (8) | 0.0205 (9) | 0.0194 (10) | 0.0001 (7) | −0.0015 (7) | 0.0034 (8) |
| C8 | 0.0135 (8) | 0.0246 (9) | 0.0217 (10) | 0.0032 (8) | 0.0020 (7) | 0.0050 (8) |
| C9 | 0.0188 (9) | 0.0214 (9) | 0.0184 (10) | 0.0058 (8) | 0.0044 (7) | 0.0024 (8) |
| Co1 | 0.01125 (12) | 0.01384 (12) | 0.00973 (13) | −0.00079 (9) | 0.00236 (8) | 0.00031 (9) |
| N1 | 0.0168 (7) | 0.0157 (7) | 0.0120 (8) | 0.0016 (6) | 0.0038 (6) | 0.0011 (6) |
| N2 | 0.0142 (7) | 0.0166 (7) | 0.0120 (8) | 0.0020 (6) | 0.0036 (6) | −0.0009 (6) |
| N3 | 0.0129 (7) | 0.0174 (7) | 0.0117 (8) | 0.0025 (6) | 0.0036 (6) | −0.0008 (6) |
| N4 | 0.0217 (8) | 0.0280 (9) | 0.0211 (9) | 0.0074 (7) | 0.0047 (7) | 0.0026 (7) |
| N5 | 0.0196 (8) | 0.0230 (8) | 0.0225 (9) | −0.0005 (7) | −0.0021 (7) | 0.0034 (7) |
| O1 | 0.0128 (6) | 0.0242 (7) | 0.0260 (8) | 0.0001 (5) | 0.0055 (5) | −0.0001 (6) |
| O2 | 0.0178 (6) | 0.0368 (8) | 0.0265 (8) | −0.0064 (6) | −0.0004 (6) | 0.0003 (7) |
| O3 | 0.0182 (7) | 0.0697 (12) | 0.0321 (10) | 0.0115 (8) | 0.0057 (6) | −0.0112 (9) |
| O4 | 0.0324 (8) | 0.0299 (7) | 0.0210 (8) | 0.0010 (6) | 0.0032 (6) | −0.0035 (6) |
| O5 | 0.0308 (8) | 0.0380 (9) | 0.0329 (9) | 0.0016 (7) | −0.0004 (7) | −0.0153 (7) |
| O6 | 0.0157 (6) | 0.0387 (8) | 0.0343 (9) | −0.0033 (6) | −0.0041 (6) | 0.0045 (7) |
| C1—N3 | 1.322 (2) | C7—N5 | 1.469 (3) |
| C1—N1 | 1.345 (2) | C8—C9 | 1.380 (3) |
| C1—H1 | 0.9300 | C8—H8 | 0.9300 |
| C2—N2 | 1.316 (2) | C9—N4 | 1.464 (3) |
| C2—N1 | 1.350 (2) | Co1—O1 | 1.9510 (13) |
| C2—H2 | 0.9300 | Co1—N3i | 2.0158 (15) |
| C3—O2 | 1.228 (2) | Co1—N1 | 2.0356 (16) |
| C3—O1 | 1.287 (2) | Co1—N2ii | 2.0396 (16) |
| C3—C4 | 1.517 (2) | N2—N3 | 1.381 (2) |
| C4—C6 | 1.388 (3) | N2—Co1iii | 2.0396 (16) |
| C4—C5 | 1.389 (3) | N3—Co1iv | 2.0158 (15) |
| C5—C9 | 1.385 (3) | N4—O4 | 1.223 (2) |
| C5—H5 | 0.9300 | N4—O3 | 1.227 (2) |
| C6—C7 | 1.387 (3) | N5—O5 | 1.218 (2) |
| C6—H6 | 0.9300 | N5—O6 | 1.228 (2) |
| C7—C8 | 1.373 (3) | ||
| N3—C1—N1 | 112.41 (16) | C8—C9—N4 | 117.87 (16) |
| N3—C1—H1 | 123.8 | C5—C9—N4 | 118.99 (18) |
| N1—C1—H1 | 123.8 | O1—Co1—N3i | 117.64 (6) |
| N2—C2—N1 | 113.05 (16) | O1—Co1—N1 | 106.65 (6) |
| N2—C2—H2 | 123.5 | N3i—Co1—N1 | 104.57 (6) |
| N1—C2—H2 | 123.5 | O1—Co1—N2ii | 103.88 (7) |
| O2—C3—O1 | 125.11 (17) | N3i—Co1—N2ii | 107.62 (6) |
| O2—C3—C4 | 119.94 (18) | N1—Co1—N2ii | 117.09 (6) |
| O1—C3—C4 | 114.94 (17) | C1—N1—C2 | 102.70 (15) |
| C6—C4—C5 | 119.94 (17) | C1—N1—Co1 | 131.85 (13) |
| C6—C4—C3 | 120.92 (17) | C2—N1—Co1 | 125.30 (12) |
| C5—C4—C3 | 119.07 (17) | C2—N2—N3 | 105.55 (15) |
| C9—C5—C4 | 118.70 (18) | C2—N2—Co1iii | 129.80 (12) |
| C9—C5—H5 | 120.7 | N3—N2—Co1iii | 124.66 (11) |
| C4—C5—H5 | 120.7 | C1—N3—N2 | 106.29 (14) |
| C7—C6—C4 | 118.76 (18) | C1—N3—Co1iv | 125.99 (12) |
| C7—C6—H6 | 120.6 | N2—N3—Co1iv | 127.71 (12) |
| C4—C6—H6 | 120.6 | O4—N4—O3 | 124.17 (18) |
| C8—C7—C6 | 123.08 (18) | O4—N4—C9 | 118.73 (16) |
| C8—C7—N5 | 117.89 (17) | O3—N4—C9 | 117.10 (17) |
| C6—C7—N5 | 119.01 (18) | O5—N5—O6 | 124.19 (18) |
| C7—C8—C9 | 116.48 (17) | O5—N5—C7 | 117.56 (16) |
| C7—C8—H8 | 121.8 | O6—N5—C7 | 118.25 (17) |
| C9—C8—H8 | 121.8 | C3—O1—Co1 | 115.13 (12) |
| C8—C9—C5 | 123.05 (18) | ||
| O2—C3—C4—C6 | 174.83 (18) | N3i—Co1—N1—C2 | −81.85 (15) |
| O1—C3—C4—C6 | −3.9 (3) | N2ii—Co1—N1—C2 | 159.19 (14) |
| O2—C3—C4—C5 | −2.1 (3) | N1—C2—N2—N3 | 0.6 (2) |
| O1—C3—C4—C5 | 179.20 (17) | N1—C2—N2—Co1iii | −179.28 (12) |
| C6—C4—C5—C9 | 0.6 (3) | N1—C1—N3—N2 | 0.1 (2) |
| C3—C4—C5—C9 | 177.53 (16) | N1—C1—N3—Co1iv | −178.75 (11) |
| C5—C4—C6—C7 | −0.4 (3) | C2—N2—N3—C1 | −0.41 (18) |
| C3—C4—C6—C7 | −177.31 (17) | Co1iii—N2—N3—C1 | 179.45 (12) |
| C4—C6—C7—C8 | −0.1 (3) | C2—N2—N3—Co1iv | 178.44 (12) |
| C4—C6—C7—N5 | 178.47 (17) | Co1iii—N2—N3—Co1iv | −1.7 (2) |
| C6—C7—C8—C9 | 0.4 (3) | C8—C9—N4—O4 | −175.39 (17) |
| N5—C7—C8—C9 | −178.19 (16) | C5—C9—N4—O4 | 1.3 (3) |
| C7—C8—C9—C5 | −0.2 (3) | C8—C9—N4—O3 | 4.7 (3) |
| C7—C8—C9—N4 | 176.34 (17) | C5—C9—N4—O3 | −178.66 (18) |
| C4—C5—C9—C8 | −0.3 (3) | C8—C7—N5—O5 | 174.23 (18) |
| C4—C5—C9—N4 | −176.77 (17) | C6—C7—N5—O5 | −4.4 (3) |
| N3—C1—N1—C2 | 0.2 (2) | C8—C7—N5—O6 | −5.8 (3) |
| N3—C1—N1—Co1 | 175.77 (12) | C6—C7—N5—O6 | 175.59 (17) |
| N2—C2—N1—C1 | −0.5 (2) | O2—C3—O1—Co1 | −6.3 (2) |
| N2—C2—N1—Co1 | −176.45 (12) | C4—C3—O1—Co1 | 172.33 (11) |
| O1—Co1—N1—C1 | −131.24 (16) | N3i—Co1—O1—C3 | 48.42 (14) |
| N3i—Co1—N1—C1 | 103.46 (16) | N1—Co1—O1—C3 | −68.51 (13) |
| N2ii—Co1—N1—C1 | −15.50 (18) | N2ii—Co1—O1—C3 | 167.19 (12) |
| O1—Co1—N1—C2 | 43.46 (16) |
| Symmetry codes: (i) −x, y−1/2, −z+1/2; (ii) x, −y+1/2, z+1/2; (iii) x, −y+1/2, z−1/2; (iv) −x, y+1/2, −z+1/2. |
Bruker (2001). SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Park, H., Moureau, D. M. & Parise, J. B. (2006). Chem. Mater. 18, 525–531.
Sheldrick, G. M. (2004). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122.
The asymmetric unit of the title compound is shown in Fig. 1. Co is four-coordinated by one O atom of a 3,5-dinitrobenzoic acid anion and three triazole N atoms in a tetrahedral geometry. The Co—O/N bond lengths of 1.9510 (13)–2.0396 (16)Å are in the normal range. The triazole and 3,5-dinitrobenzoic acid ligands adopt tridentate and monodentate coordinating modes, respectively. As shown in Figs. 2a and 2b, cobalt ions are connected by triazole ligands to generate a two-dimensional net with the 3,5-dinitrobenzoic acid ligands stacking out of this net. There is not obvious supramolecular interaction between the two-dimensional nets.