Acta Cryst. (2007). E63, m2368 [ doi:10.1107/S1600536807039980 ]
-pyridine-1-carbaldehyde azine-
2N,N':
2N'',N''')disilver(I) bis(methanesulfonate)The asymmetric unit of the title compound, [Ag2(C12H10N4)2](CH3SO3)2, comprises a dinuclear dication, with each Ag atom in an approximate T-shaped AgN3 geometry, and two methylsulfonate anions. Weak connections between the ions are afforded by long (>2.6 Å) Ag
O contacts. The crystal structure comprises zigzag layers connected by
-
interactions [centroid-to-centroid separation = 3.667 (3) Å]. The layers are stabilized by C-H
O interactions between the anions and cations as well as between anions.
Ag(MeSO3) (Aldrich, 0.05 g, 0.25 mmol) was dissolved in CH3CN (20 ml) and layered on top of a CH2Cl2 solution (20 ml) containing (0.05 g, 0.25 mmol) of 2-pyridinealdazine (Aldrich). After three days, colourless prisims of (I) were observed at the interface between the two layers; m.p. 491–493 K.
All the H atoms were included in the riding-model approximation, with C—H = 0.95–0.98 Å, and with Uiso(H) = 1.2 or 1.5Ueq(C).
Data collection: CrystalClear (Rigaku/MSC, 2005); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEPII (Johnson, 1976) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: SHELXL97.
| [Ag2(C12H10N4)2](CH3SO3)2 | F(000) = 1648 |
| Mr = 826.40 | Dx = 1.901 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71070 Å |
| Hall symbol: -P 2ybc | Cell parameters from 5950 reflections |
| a = 9.017 (5) Å | θ = 1.6–30.2° |
| b = 19.115 (5) Å | µ = 1.56 mm−1 |
| c = 17.397 (7) Å | T = 120 K |
| β = 105.605 (16)° | Prism, colourless |
| V = 2888 (2) Å3 | 0.18 × 0.10 × 0.08 mm |
| Z = 4 |
| Rigaku AFC12κ/SATURN724 diffractometer | 5668 independent reflections |
| Radiation source: fine-focus sealed tube | 5514 reflections with I > 2σ(I) |
| graphite | Rint = 0.030 |
| ω scans | θmax = 26.0°, θmin = 1.6° |
| Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −11→11 |
| Tmin = 0.804, Tmax = 1.000 | k = −21→23 |
| 30221 measured reflections | l = −21→21 |
| 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)] = 0.029 | Hydrogen site location: inferred from neighbouring sites |
| wR(F2) = 0.067 | H-atom parameters constrained |
| S = 1.10 | w = 1/[σ2(Fo2) + (0.0264P)2 + 5.0008P] where P = (Fo2 + 2Fc2)/3 |
| 5668 reflections | (Δ/σ)max = 0.003 |
| 397 parameters | Δρmax = 0.93 e Å−3 |
| 0 restraints | Δρmin = −0.67 e Å−3 |
| [Ag2(C12H10N4)2](CH3SO3)2 | V = 2888 (2) Å3 |
| Mr = 826.40 | Z = 4 |
| Monoclinic, P21/c | Mo Kα radiation |
| a = 9.017 (5) Å | µ = 1.56 mm−1 |
| b = 19.115 (5) Å | T = 120 K |
| c = 17.397 (7) Å | 0.18 × 0.10 × 0.08 mm |
| β = 105.605 (16)° |
| Rigaku AFC12κ/SATURN724 diffractometer | 5514 reflections with I > 2σ(I) |
| Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | Rint = 0.030 |
| Tmin = 0.804, Tmax = 1.000 | θmax = 26.0° |
| 30221 measured reflections | Standard reflections: 0 |
| 5668 independent reflections |
| R[F2 > 2σ(F2)] = 0.029 | H-atom parameters constrained |
| wR(F2) = 0.067 | Δρmax = 0.93 e Å−3 |
| S = 1.10 | Δρmin = −0.67 e Å−3 |
| 5668 reflections | Absolute structure: ? |
| 397 parameters | Flack parameter: ? |
| 0 restraints | Rogers parameter: ? |
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 | ||
| Ag1 | 0.36970 (2) | 0.431855 (10) | 0.877448 (11) | 0.01905 (7) | |
| Ag2 | 0.12996 (2) | 0.555838 (10) | 0.637545 (12) | 0.01861 (7) | |
| S1 | −0.00614 (7) | 0.38534 (3) | 0.72639 (4) | 0.01684 (13) | |
| S2 | 0.50982 (8) | 0.59359 (3) | 0.75240 (4) | 0.01902 (14) | |
| O1 | 0.0808 (2) | 0.40311 (11) | 0.80742 (11) | 0.0250 (4) | |
| O2 | 0.0099 (2) | 0.43659 (10) | 0.66748 (12) | 0.0254 (4) | |
| O3 | 0.0223 (3) | 0.31478 (10) | 0.70343 (12) | 0.0327 (5) | |
| O4 | 0.4588 (2) | 0.56243 (10) | 0.81728 (11) | 0.0234 (4) | |
| O5 | 0.3881 (3) | 0.63161 (12) | 0.69664 (14) | 0.0403 (6) | |
| O6 | 0.5892 (3) | 0.54368 (12) | 0.71478 (14) | 0.0391 (6) | |
| N1 | 0.2639 (2) | 0.50211 (11) | 0.95097 (12) | 0.0171 (4) | |
| N2 | 0.0415 (3) | 0.61510 (12) | 0.80323 (12) | 0.0201 (5) | |
| N3 | 0.0258 (2) | 0.62142 (11) | 0.72049 (12) | 0.0175 (4) | |
| N4 | −0.0242 (2) | 0.65172 (11) | 0.55969 (13) | 0.0167 (4) | |
| N5 | 0.2546 (2) | 0.48734 (11) | 0.57028 (12) | 0.0162 (4) | |
| N6 | 0.4392 (2) | 0.36098 (11) | 0.71502 (12) | 0.0163 (4) | |
| N7 | 0.4598 (2) | 0.35786 (11) | 0.79848 (12) | 0.0159 (4) | |
| N8 | 0.5297 (2) | 0.34012 (11) | 0.96246 (13) | 0.0185 (4) | |
| C1 | 0.3001 (3) | 0.49111 (13) | 1.03027 (15) | 0.0187 (5) | |
| H1 | 0.3772 | 0.4575 | 1.0526 | 0.022* | |
| C2 | 0.2305 (3) | 0.52640 (14) | 1.08101 (15) | 0.0212 (5) | |
| H2 | 0.2591 | 0.5168 | 1.1366 | 0.025* | |
| C3 | 0.1183 (3) | 0.57609 (14) | 1.04902 (16) | 0.0212 (6) | |
| H3 | 0.0670 | 0.6006 | 1.0819 | 0.025* | |
| C4 | 0.0833 (3) | 0.58891 (14) | 0.96759 (15) | 0.0196 (5) | |
| H4 | 0.0092 | 0.6235 | 0.9442 | 0.024* | |
| C5 | 0.1567 (3) | 0.55113 (13) | 0.92028 (15) | 0.0154 (5) | |
| C6 | 0.1246 (3) | 0.56322 (13) | 0.83390 (15) | 0.0167 (5) | |
| H6 | 0.1654 | 0.5327 | 0.8015 | 0.020* | |
| C7 | −0.0379 (3) | 0.67938 (13) | 0.69345 (15) | 0.0176 (5) | |
| H7 | −0.0655 | 0.7115 | 0.7289 | 0.021* | |
| C8 | −0.0691 (3) | 0.69731 (13) | 0.60850 (15) | 0.0168 (5) | |
| C9 | −0.1457 (3) | 0.75943 (13) | 0.58199 (15) | 0.0189 (5) | |
| H9 | −0.1751 | 0.7902 | 0.6182 | 0.023* | |
| C10 | −0.1784 (3) | 0.77554 (14) | 0.50134 (16) | 0.0210 (5) | |
| H10 | −0.2297 | 0.8179 | 0.4814 | 0.025* | |
| C11 | −0.1347 (3) | 0.72881 (14) | 0.45026 (16) | 0.0195 (5) | |
| H11 | −0.1562 | 0.7383 | 0.3948 | 0.023* | |
| C12 | −0.0587 (3) | 0.66767 (13) | 0.48238 (15) | 0.0173 (5) | |
| H12 | −0.0299 | 0.6356 | 0.4472 | 0.021* | |
| C13 | 0.2301 (3) | 0.50199 (13) | 0.49181 (15) | 0.0187 (5) | |
| H13 | 0.1620 | 0.5392 | 0.4700 | 0.022* | |
| C14 | 0.2983 (3) | 0.46610 (14) | 0.44149 (15) | 0.0199 (5) | |
| H14 | 0.2789 | 0.4791 | 0.3870 | 0.024* | |
| C15 | 0.3956 (3) | 0.41065 (14) | 0.47201 (15) | 0.0200 (5) | |
| H15 | 0.4453 | 0.3853 | 0.4391 | 0.024* | |
| C16 | 0.4185 (3) | 0.39312 (14) | 0.55176 (15) | 0.0187 (5) | |
| H16 | 0.4823 | 0.3546 | 0.5739 | 0.022* | |
| C17 | 0.3474 (3) | 0.43242 (13) | 0.59903 (15) | 0.0159 (5) | |
| C18 | 0.3710 (3) | 0.41726 (13) | 0.68453 (15) | 0.0156 (5) | |
| H18 | 0.3354 | 0.4494 | 0.7172 | 0.019* | |
| C19 | 0.5368 (3) | 0.30401 (13) | 0.83006 (15) | 0.0167 (5) | |
| H19 | 0.5670 | 0.2706 | 0.7968 | 0.020* | |
| C20 | 0.5797 (3) | 0.29291 (13) | 0.91728 (15) | 0.0168 (5) | |
| C21 | 0.6740 (3) | 0.23671 (13) | 0.94907 (15) | 0.0187 (5) | |
| H21 | 0.7057 | 0.2041 | 0.9154 | 0.022* | |
| C22 | 0.7208 (3) | 0.22950 (14) | 1.03204 (16) | 0.0207 (5) | |
| H22 | 0.7854 | 0.1918 | 1.0559 | 0.025* | |
| C23 | 0.6721 (3) | 0.27789 (14) | 1.07885 (15) | 0.0200 (5) | |
| H23 | 0.7036 | 0.2743 | 1.1354 | 0.024* | |
| C24 | 0.5766 (3) | 0.33171 (14) | 1.04198 (16) | 0.0203 (5) | |
| H24 | 0.5425 | 0.3644 | 1.0746 | 0.024* | |
| C25 | −0.2005 (3) | 0.3882 (2) | 0.72741 (18) | 0.0348 (7) | |
| H25A | −0.2253 | 0.4352 | 0.7427 | 0.052* | |
| H25B | −0.2183 | 0.3541 | 0.7660 | 0.052* | |
| H25C | −0.2661 | 0.3770 | 0.6741 | 0.052* | |
| C26 | 0.6481 (3) | 0.65761 (15) | 0.79671 (18) | 0.0273 (6) | |
| H26A | 0.7344 | 0.6352 | 0.8354 | 0.041* | |
| H26B | 0.6008 | 0.6925 | 0.8239 | 0.041* | |
| H26C | 0.6859 | 0.6806 | 0.7553 | 0.041* |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Ag1 | 0.02153 (12) | 0.01992 (11) | 0.01598 (11) | 0.00613 (7) | 0.00552 (8) | −0.00123 (7) |
| Ag2 | 0.02197 (12) | 0.01738 (11) | 0.01718 (11) | 0.00465 (7) | 0.00650 (8) | −0.00088 (7) |
| S1 | 0.0187 (3) | 0.0178 (3) | 0.0146 (3) | −0.0006 (2) | 0.0054 (2) | 0.0008 (2) |
| S2 | 0.0215 (3) | 0.0219 (3) | 0.0128 (3) | −0.0032 (3) | 0.0033 (2) | −0.0005 (2) |
| O1 | 0.0225 (10) | 0.0322 (11) | 0.0174 (9) | −0.0018 (8) | 0.0006 (8) | −0.0003 (8) |
| O2 | 0.0354 (11) | 0.0214 (10) | 0.0202 (10) | −0.0009 (8) | 0.0088 (9) | 0.0046 (8) |
| O3 | 0.0562 (14) | 0.0183 (10) | 0.0277 (11) | 0.0062 (9) | 0.0184 (10) | 0.0025 (8) |
| O4 | 0.0290 (11) | 0.0255 (10) | 0.0174 (10) | −0.0016 (8) | 0.0092 (8) | 0.0003 (8) |
| O5 | 0.0351 (12) | 0.0348 (12) | 0.0377 (13) | −0.0094 (10) | −0.0132 (10) | 0.0146 (10) |
| O6 | 0.0491 (14) | 0.0396 (13) | 0.0384 (13) | −0.0098 (11) | 0.0286 (11) | −0.0169 (10) |
| N1 | 0.0217 (11) | 0.0163 (10) | 0.0135 (10) | −0.0004 (9) | 0.0048 (9) | 0.0000 (8) |
| N2 | 0.0261 (12) | 0.0218 (11) | 0.0118 (10) | 0.0055 (9) | 0.0039 (9) | 0.0021 (9) |
| N3 | 0.0215 (11) | 0.0185 (11) | 0.0131 (10) | 0.0038 (9) | 0.0056 (8) | −0.0010 (8) |
| N4 | 0.0164 (10) | 0.0166 (10) | 0.0172 (11) | 0.0003 (8) | 0.0045 (9) | −0.0003 (8) |
| N5 | 0.0188 (11) | 0.0147 (10) | 0.0156 (10) | 0.0010 (8) | 0.0053 (8) | −0.0004 (8) |
| N6 | 0.0179 (11) | 0.0189 (11) | 0.0113 (10) | 0.0013 (8) | 0.0027 (8) | 0.0014 (8) |
| N7 | 0.0171 (10) | 0.0176 (10) | 0.0135 (10) | −0.0001 (8) | 0.0048 (8) | −0.0006 (8) |
| N8 | 0.0189 (11) | 0.0208 (11) | 0.0157 (11) | 0.0011 (9) | 0.0047 (9) | 0.0003 (9) |
| C1 | 0.0229 (13) | 0.0169 (12) | 0.0159 (12) | 0.0015 (10) | 0.0045 (10) | 0.0019 (10) |
| C2 | 0.0285 (14) | 0.0217 (13) | 0.0133 (12) | −0.0017 (11) | 0.0058 (11) | 0.0003 (10) |
| C3 | 0.0240 (14) | 0.0221 (13) | 0.0196 (13) | 0.0008 (11) | 0.0095 (11) | −0.0039 (11) |
| C4 | 0.0186 (13) | 0.0207 (13) | 0.0189 (13) | 0.0038 (10) | 0.0040 (10) | −0.0001 (10) |
| C5 | 0.0172 (12) | 0.0144 (11) | 0.0152 (12) | −0.0011 (9) | 0.0051 (10) | 0.0009 (9) |
| C6 | 0.0170 (12) | 0.0189 (12) | 0.0150 (12) | −0.0003 (10) | 0.0053 (10) | −0.0021 (10) |
| C7 | 0.0191 (13) | 0.0184 (13) | 0.0152 (12) | 0.0014 (10) | 0.0041 (10) | −0.0023 (10) |
| C8 | 0.0169 (12) | 0.0172 (12) | 0.0160 (12) | −0.0003 (10) | 0.0040 (10) | −0.0001 (10) |
| C9 | 0.0214 (13) | 0.0161 (12) | 0.0194 (13) | 0.0016 (10) | 0.0062 (10) | −0.0012 (10) |
| C10 | 0.0232 (13) | 0.0172 (12) | 0.0222 (14) | 0.0024 (10) | 0.0054 (11) | 0.0035 (10) |
| C11 | 0.0200 (13) | 0.0214 (13) | 0.0170 (13) | −0.0007 (10) | 0.0044 (10) | 0.0036 (10) |
| C12 | 0.0175 (12) | 0.0183 (12) | 0.0169 (12) | −0.0016 (10) | 0.0060 (10) | −0.0012 (10) |
| C13 | 0.0210 (13) | 0.0178 (12) | 0.0171 (13) | 0.0005 (10) | 0.0048 (10) | 0.0027 (10) |
| C14 | 0.0228 (13) | 0.0230 (13) | 0.0141 (12) | −0.0031 (11) | 0.0050 (10) | −0.0004 (10) |
| C15 | 0.0206 (13) | 0.0238 (13) | 0.0166 (13) | −0.0005 (11) | 0.0066 (10) | −0.0035 (10) |
| C16 | 0.0177 (12) | 0.0200 (13) | 0.0181 (13) | 0.0004 (10) | 0.0040 (10) | −0.0022 (10) |
| C17 | 0.0145 (12) | 0.0160 (12) | 0.0165 (12) | −0.0016 (9) | 0.0028 (10) | −0.0008 (9) |
| C18 | 0.0145 (12) | 0.0186 (12) | 0.0149 (12) | −0.0016 (10) | 0.0060 (10) | −0.0014 (10) |
| C19 | 0.0183 (12) | 0.0155 (12) | 0.0162 (12) | −0.0003 (10) | 0.0042 (10) | −0.0026 (10) |
| C20 | 0.0152 (12) | 0.0178 (12) | 0.0175 (12) | −0.0014 (10) | 0.0045 (10) | −0.0007 (10) |
| C21 | 0.0208 (13) | 0.0181 (12) | 0.0180 (13) | 0.0008 (10) | 0.0064 (10) | 0.0008 (10) |
| C22 | 0.0200 (13) | 0.0206 (13) | 0.0211 (13) | 0.0006 (10) | 0.0048 (11) | 0.0066 (10) |
| C23 | 0.0244 (14) | 0.0224 (13) | 0.0141 (12) | −0.0023 (11) | 0.0068 (10) | 0.0009 (10) |
| C24 | 0.0211 (13) | 0.0198 (13) | 0.0212 (13) | 0.0000 (10) | 0.0079 (11) | −0.0029 (10) |
| C25 | 0.0216 (15) | 0.059 (2) | 0.0235 (15) | −0.0058 (14) | 0.0060 (12) | −0.0075 (14) |
| C26 | 0.0246 (14) | 0.0261 (14) | 0.0285 (15) | −0.0050 (12) | 0.0022 (12) | −0.0032 (12) |
| Ag1—N1 | 2.237 (2) | C6—H6 | 0.9500 |
| Ag1—N7 | 2.269 (2) | C7—C8 | 1.469 (3) |
| Ag1—N8 | 2.489 (2) | C7—H7 | 0.9500 |
| Ag2—N3 | 2.295 (2) | C8—C9 | 1.389 (4) |
| Ag2—N5 | 2.248 (2) | C9—C10 | 1.388 (4) |
| Ag2—N4 | 2.472 (2) | C9—H9 | 0.9500 |
| S1—O3 | 1.449 (2) | C10—C11 | 1.389 (4) |
| S1—O2 | 1.453 (2) | C10—H10 | 0.9500 |
| S1—O1 | 1.457 (2) | C11—C12 | 1.394 (4) |
| S1—C25 | 1.758 (3) | C11—H11 | 0.9500 |
| S2—O6 | 1.450 (2) | C12—H12 | 0.9500 |
| S2—O5 | 1.450 (2) | C13—C14 | 1.380 (4) |
| S2—O4 | 1.456 (2) | C13—H13 | 0.9500 |
| S2—C26 | 1.769 (3) | C14—C15 | 1.387 (4) |
| N1—C1 | 1.346 (3) | C14—H14 | 0.9500 |
| N1—C5 | 1.349 (3) | C15—C16 | 1.387 (4) |
| N2—C6 | 1.271 (3) | C15—H15 | 0.9500 |
| N2—N3 | 1.413 (3) | C16—C17 | 1.391 (4) |
| N3—C7 | 1.278 (3) | C16—H16 | 0.9500 |
| N4—C12 | 1.332 (3) | C17—C18 | 1.474 (3) |
| N4—C8 | 1.352 (3) | C18—H18 | 0.9500 |
| N5—C17 | 1.352 (3) | C19—C20 | 1.477 (3) |
| N5—C13 | 1.352 (3) | C19—H19 | 0.9500 |
| N6—C18 | 1.281 (3) | C20—C21 | 1.389 (4) |
| N6—N7 | 1.414 (3) | C21—C22 | 1.397 (4) |
| N7—C19 | 1.280 (3) | C21—H21 | 0.9500 |
| N8—C24 | 1.343 (3) | C22—C23 | 1.380 (4) |
| N8—C20 | 1.351 (3) | C22—H22 | 0.9500 |
| C1—C2 | 1.388 (4) | C23—C24 | 1.383 (4) |
| C1—H1 | 0.9500 | C23—H23 | 0.9500 |
| C2—C3 | 1.390 (4) | C24—H24 | 0.9500 |
| C2—H2 | 0.9500 | C25—H25A | 0.9800 |
| C3—C4 | 1.388 (4) | C25—H25B | 0.9800 |
| C3—H3 | 0.9500 | C25—H25C | 0.9800 |
| C4—C5 | 1.389 (4) | C26—H26A | 0.9800 |
| C4—H4 | 0.9500 | C26—H26B | 0.9800 |
| C5—C6 | 1.470 (3) | C26—H26C | 0.9800 |
| N1—Ag1—N7 | 175.91 (8) | C9—C8—C7 | 118.5 (2) |
| N1—Ag1—N8 | 110.56 (8) | C8—C9—C10 | 118.5 (2) |
| N7—Ag1—N8 | 71.09 (8) | C8—C9—H9 | 120.8 |
| N3—Ag2—N4 | 71.00 (8) | C10—C9—H9 | 120.8 |
| N3—Ag2—N5 | 172.76 (8) | C11—C10—C9 | 119.0 (2) |
| N4—Ag2—N5 | 115.64 (8) | C11—C10—H10 | 120.5 |
| O3—S1—O2 | 112.01 (12) | C9—C10—H10 | 120.5 |
| O3—S1—O1 | 113.25 (12) | C10—C11—C12 | 118.4 (2) |
| O2—S1—O1 | 113.30 (12) | C10—C11—H11 | 120.8 |
| O3—S1—C25 | 106.44 (16) | C12—C11—H11 | 120.8 |
| O2—S1—C25 | 105.93 (15) | N4—C12—C11 | 123.6 (2) |
| O1—S1—C25 | 105.14 (13) | N4—C12—H12 | 118.2 |
| O6—S2—O5 | 113.86 (15) | C11—C12—H12 | 118.2 |
| O6—S2—O4 | 112.20 (13) | N5—C13—C14 | 123.9 (2) |
| O5—S2—O4 | 112.57 (14) | N5—C13—H13 | 118.0 |
| O6—S2—C26 | 106.03 (15) | C14—C13—H13 | 118.0 |
| O5—S2—C26 | 105.25 (14) | C13—C14—C15 | 118.7 (2) |
| O4—S2—C26 | 106.13 (13) | C13—C14—H14 | 120.6 |
| C1—N1—C5 | 117.7 (2) | C15—C14—H14 | 120.6 |
| C1—N1—Ag1 | 117.97 (17) | C16—C15—C14 | 118.4 (2) |
| C5—N1—Ag1 | 124.12 (17) | C16—C15—H15 | 120.8 |
| C6—N2—N3 | 112.4 (2) | C14—C15—H15 | 120.8 |
| C7—N3—N2 | 111.2 (2) | C15—C16—C17 | 119.5 (2) |
| C7—N3—Ag2 | 117.47 (17) | C15—C16—H16 | 120.3 |
| N2—N3—Ag2 | 130.38 (16) | C17—C16—H16 | 120.3 |
| C12—N4—C8 | 117.3 (2) | N5—C17—C16 | 122.6 (2) |
| C12—N4—Ag2 | 131.85 (17) | N5—C17—C18 | 115.6 (2) |
| C8—N4—Ag2 | 110.66 (16) | C16—C17—C18 | 121.8 (2) |
| C17—N5—C13 | 116.8 (2) | N6—C18—C17 | 120.4 (2) |
| C17—N5—Ag2 | 127.32 (17) | N6—C18—H18 | 119.8 |
| C13—N5—Ag2 | 115.86 (17) | C17—C18—H18 | 119.8 |
| C18—N6—N7 | 112.1 (2) | N7—C19—C20 | 121.2 (2) |
| C19—N7—N6 | 112.4 (2) | N7—C19—H19 | 119.4 |
| C19—N7—Ag1 | 118.86 (17) | C20—C19—H19 | 119.4 |
| N6—N7—Ag1 | 128.72 (15) | N8—C20—C21 | 123.3 (2) |
| C24—N8—C20 | 117.2 (2) | N8—C20—C19 | 117.7 (2) |
| C24—N8—Ag1 | 131.92 (18) | C21—C20—C19 | 118.9 (2) |
| C20—N8—Ag1 | 110.83 (16) | C20—C21—C22 | 118.0 (2) |
| N1—C1—C2 | 123.3 (2) | C20—C21—H21 | 121.0 |
| N1—C1—H1 | 118.3 | C22—C21—H21 | 121.0 |
| C2—C1—H1 | 118.3 | C23—C22—C21 | 119.2 (2) |
| C1—C2—C3 | 118.8 (2) | C23—C22—H22 | 120.4 |
| C1—C2—H2 | 120.6 | C21—C22—H22 | 120.4 |
| C3—C2—H2 | 120.6 | C22—C23—C24 | 118.8 (2) |
| C4—C3—C2 | 118.1 (2) | C22—C23—H23 | 120.6 |
| C4—C3—H3 | 121.0 | C24—C23—H23 | 120.6 |
| C2—C3—H3 | 121.0 | N8—C24—C23 | 123.4 (2) |
| C3—C4—C5 | 119.9 (2) | N8—C24—H24 | 118.3 |
| C3—C4—H4 | 120.0 | C23—C24—H24 | 118.3 |
| C5—C4—H4 | 120.0 | S1—C25—H25A | 109.5 |
| N1—C5—C4 | 122.1 (2) | S1—C25—H25B | 109.5 |
| N1—C5—C6 | 115.9 (2) | H25A—C25—H25B | 109.5 |
| C4—C5—C6 | 122.0 (2) | S1—C25—H25C | 109.5 |
| N2—C6—C5 | 118.9 (2) | H25A—C25—H25C | 109.5 |
| N2—C6—H6 | 120.5 | H25B—C25—H25C | 109.5 |
| C5—C6—H6 | 120.5 | S2—C26—H26A | 109.5 |
| N3—C7—C8 | 121.2 (2) | S2—C26—H26B | 109.5 |
| N3—C7—H7 | 119.4 | H26A—C26—H26B | 109.5 |
| C8—C7—H7 | 119.4 | S2—C26—H26C | 109.5 |
| N4—C8—C9 | 123.3 (2) | H26A—C26—H26C | 109.5 |
| N4—C8—C7 | 118.2 (2) | H26B—C26—H26C | 109.5 |
| N8—Ag1—N1—C1 | 2.9 (2) | Ag2—N4—C8—C7 | −7.1 (3) |
| N8—Ag1—N1—C5 | −171.47 (19) | N3—C7—C8—N4 | −2.1 (4) |
| C6—N2—N3—C7 | −170.1 (2) | N3—C7—C8—C9 | 176.7 (2) |
| C6—N2—N3—Ag2 | −1.8 (3) | N4—C8—C9—C10 | 0.2 (4) |
| N4—Ag2—N3—C7 | −10.50 (18) | C7—C8—C9—C10 | −178.5 (2) |
| N4—Ag2—N3—N2 | −178.2 (2) | C8—C9—C10—C11 | 0.6 (4) |
| N5—Ag2—N4—C12 | 6.5 (2) | C9—C10—C11—C12 | −0.5 (4) |
| N3—Ag2—N4—C12 | −176.6 (2) | C8—N4—C12—C11 | 1.4 (4) |
| N5—Ag2—N4—C8 | −168.07 (16) | Ag2—N4—C12—C11 | −172.87 (18) |
| N3—Ag2—N4—C8 | 8.83 (16) | C10—C11—C12—N4 | −0.6 (4) |
| N4—Ag2—N5—C17 | 179.03 (19) | C17—N5—C13—C14 | −2.5 (4) |
| N4—Ag2—N5—C13 | −2.8 (2) | Ag2—N5—C13—C14 | 179.2 (2) |
| C18—N6—N7—C19 | −175.7 (2) | N5—C13—C14—C15 | 1.3 (4) |
| C18—N6—N7—Ag1 | 6.4 (3) | C13—C14—C15—C16 | 0.8 (4) |
| N8—Ag1—N7—C19 | 4.51 (18) | C14—C15—C16—C17 | −1.7 (4) |
| N8—Ag1—N7—N6 | −177.7 (2) | C13—N5—C17—C16 | 1.5 (4) |
| N1—Ag1—N8—C24 | −9.6 (3) | Ag2—N5—C17—C16 | 179.64 (18) |
| N7—Ag1—N8—C24 | 174.4 (2) | C13—N5—C17—C18 | −179.5 (2) |
| N1—Ag1—N8—C20 | 173.08 (16) | Ag2—N5—C17—C18 | −1.3 (3) |
| N7—Ag1—N8—C20 | −2.94 (16) | C15—C16—C17—N5 | 0.6 (4) |
| C5—N1—C1—C2 | 1.4 (4) | C15—C16—C17—C18 | −178.4 (2) |
| Ag1—N1—C1—C2 | −173.3 (2) | N7—N6—C18—C17 | 176.2 (2) |
| N1—C1—C2—C3 | −0.4 (4) | N5—C17—C18—N6 | 170.4 (2) |
| C1—C2—C3—C4 | −1.2 (4) | C16—C17—C18—N6 | −10.6 (4) |
| C2—C3—C4—C5 | 1.8 (4) | N6—N7—C19—C20 | 176.2 (2) |
| C1—N1—C5—C4 | −0.8 (4) | Ag1—N7—C19—C20 | −5.6 (3) |
| Ag1—N1—C5—C4 | 173.60 (19) | C24—N8—C20—C21 | 0.9 (4) |
| C1—N1—C5—C6 | 177.9 (2) | Ag1—N8—C20—C21 | 178.6 (2) |
| Ag1—N1—C5—C6 | −7.7 (3) | C24—N8—C20—C19 | −176.3 (2) |
| C3—C4—C5—N1 | −0.8 (4) | Ag1—N8—C20—C19 | 1.5 (3) |
| C3—C4—C5—C6 | −179.4 (2) | N7—C19—C20—N8 | 2.5 (4) |
| N3—N2—C6—C5 | 177.8 (2) | N7—C19—C20—C21 | −174.7 (2) |
| N1—C5—C6—N2 | −170.2 (2) | N8—C20—C21—C22 | −0.9 (4) |
| C4—C5—C6—N2 | 8.5 (4) | C19—C20—C21—C22 | 176.2 (2) |
| N2—N3—C7—C8 | −178.9 (2) | C20—C21—C22—C23 | 0.1 (4) |
| Ag2—N3—C7—C8 | 11.2 (3) | C21—C22—C23—C24 | 0.8 (4) |
| C12—N4—C8—C9 | −1.2 (4) | C20—N8—C24—C23 | 0.0 (4) |
| Ag2—N4—C8—C9 | 174.3 (2) | Ag1—N8—C24—C23 | −177.15 (19) |
| C12—N4—C8—C7 | 177.5 (2) | C22—C23—C24—N8 | −0.8 (4) |
| D—H···A | D—H | H···A | D···A | D—H···A |
| C7—H7···O3i | 0.95 | 2.28 | 3.131 (4) | 149 |
| C21—H21···O5ii | 0.95 | 2.36 | 3.164 (4) | 143 |
| C24—H24···O4iii | 0.95 | 2.35 | 3.258 (4) | 161 |
| Symmetry codes: (i) −x, y+1/2, −z+3/2; (ii) −x+1, y−1/2, −z+3/2; (iii) −x+1, −y+1, −z+2. |
| Ag1—N1 | 2.237 (2) | Ag2—N3 | 2.295 (2) |
| Ag1—N7 | 2.269 (2) | Ag2—N5 | 2.248 (2) |
| Ag1—N8 | 2.489 (2) | Ag2—N4 | 2.472 (2) |
| N1—Ag1—N7 | 175.91 (8) | N3—Ag2—N4 | 71.00 (8) |
| N1—Ag1—N8 | 110.56 (8) | N3—Ag2—N5 | 172.76 (8) |
| N7—Ag1—N8 | 71.09 (8) | N4—Ag2—N5 | 115.64 (8) |
| D—H···A | D—H | H···A | D···A | D—H···A |
| C7—H7···O3i | 0.95 | 2.28 | 3.131 (4) | 149 |
| C21—H21···O5ii | 0.95 | 2.36 | 3.164 (4) | 143 |
| C24—H24···O4iii | 0.95 | 2.35 | 3.258 (4) | 161 |
| Symmetry codes: (i) −x, y+1/2, −z+3/2; (ii) −x+1, y−1/2, −z+3/2; (iii) −x+1, −y+1, −z+2. |
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The dication in the title compound [Ag(2—PA)]2[MeSO3]2 (I), Fig. 1, (PA = 2-pyridinealdazine) adopts a ring structure in which the two Ag atoms are bridged by two 2-PA molecules. Each 2-PA ligand is tridentate, forming a single bond to one Ag atom and chelating the other. Within the chelate, the Ag—Nazo bond distance is significantly shorter than the Ag—Npyridine bond (Table 1). The coordination geometry around each Ag atom is T-shaped.
Each of the [MeSO3]- anions forms two close contacts with Ag, i.e. Ag1···O1, O4 = 2.620 (2) and 2.902 (2) Å and Ag2···O2, O5 = 2.635 (2) and 2.699 (3) Å.
The [Ag(2—PA)]2 chelate structure of (I) has two precedents in the literature, namely in the [CF3SO3]- (Hamblin et al., 2002) and [NO3]- salts (Kennedy et al., 2005) for which simlilar ring structures have been reported. In a third structure, i.e. the [BF4]- salt, characterized as an acetonitrile solvate, a polymeric structure is observed due to a rotation of one of the pyridine rings (Guo et al., 2002); in this case, the 2-PA ligand is tetradentate forming two chelate rings.
The global crystal packing in (I) is based on the stacking of zigzag layers. A number of C—H···O interactions cooperate to stabilize the layers (Fig. 2). All the sulfonate-O atoms accept one or more C—H···O interactions (Table 2) arising from both cation···anion and anion···anion contacts. Connections between layers are of the type π···π with the shortest distance of 3.667 (3) Å occurring between the ring centroids of (N4, C8–C12) and (N5, C13–C17); symmetry operation: -x, 1 - y, 1 - z.