| Literature DB >> 21577953 |
Abstract
The asymmetric unit of the title compound, C(10)H(26)N(4) (2+)·2C(6)H(4)NO(2) (-)·2H(2)O, consists of half of a doubly protonated 1,4,8,11-tetra-azacyclo-tetra-decane (cyclam) dication, a pyridine-2-carboxyl-ate anion and a solvent water mol-ecule. The complete dication is generated by a crystallographic centre and adopts an endodentate conformation which may be influenced by intra-molecular N-H⋯N hydrogen bonding. The carboxyl-ate group of the anion appears to be delocalized on the basis of the C-O bond lengths [1.257 (2) and 1.250 (2) Å]. In the crystal structure, the components are linked by inter-molecular N-H⋯O, N-H⋯N and O-H⋯O hydrogen bonds.Entities:
Year: 2009 PMID: 21577953 PMCID: PMC2970343 DOI: 10.1107/S1600536809037258
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C10H26N42+·2C6H4NO2−·2(H2O) | |
| Monoclinic, | Mo |
| Hall symbol: -P 2ybc | Cell parameters from 1456 reflections |
| θ = 2.6–24.3° | |
| µ = 0.09 mm−1 | |
| β = 93.104 (2)° | Block, colourless |
| 0.22 × 0.17 × 0.11 mm | |
| Bruker SMART 1000 CCD diffractometer | 3152 independent reflections |
| Radiation source: fine-focus sealed tube | 1540 reflections with |
| graphite | |
| ω scans | θmax = 28.3°, θmin = 2.0° |
| Absorption correction: multi-scan ( | |
| 9364 measured reflections |
| Refinement on | Primary atom site location: structure-invariant direct methods |
| Least-squares matrix: full | Secondary atom site location: difference Fourier map |
| Hydrogen site location: inferred from neighbouring sites | |
| H-atom parameters constrained | |
| 3152 reflections | (Δ/σ)max < 0.001 |
| 154 parameters | Δρmax = 0.22 e Å−3 |
| 0 restraints | Δρmin = −0.25 e Å−3 |
| 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 |
| O1 | 0.84295 (15) | 0.05500 (12) | 0.30790 (13) | 0.0377 (4) | |
| O2 | 0.71238 (16) | 0.00216 (13) | 0.46269 (15) | 0.0433 (5) | |
| N1 | 0.67291 (18) | 0.21986 (15) | 0.23751 (17) | 0.0333 (5) | |
| C1 | 0.5839 (2) | 0.29517 (19) | 0.1972 (2) | 0.0383 (6) | |
| H1 | 0.6109 | 0.3538 | 0.1434 | 0.046* | |
| C2 | 0.4558 (2) | 0.2926 (2) | 0.2290 (2) | 0.0434 (6) | |
| H2 | 0.3960 | 0.3481 | 0.1984 | 0.052* | |
| C3 | 0.4166 (2) | 0.2074 (2) | 0.3066 (2) | 0.0449 (7) | |
| H3 | 0.3282 | 0.2017 | 0.3283 | 0.054* | |
| C4 | 0.5066 (2) | 0.1306 (2) | 0.3524 (2) | 0.0384 (6) | |
| H4 | 0.4818 | 0.0725 | 0.4082 | 0.046* | |
| C5 | 0.6339 (2) | 0.13915 (18) | 0.31597 (19) | 0.0278 (5) | |
| C6 | 0.7385 (2) | 0.05841 (18) | 0.3658 (2) | 0.0312 (5) | |
| N2 | 0.14631 (18) | 0.09306 (16) | 0.05713 (17) | 0.0374 (5) | |
| H21 | 0.1475 | 0.0811 | 0.1452 | 0.045* | |
| N3 | 0.12754 (18) | −0.12813 (15) | −0.05896 (17) | 0.0360 (5) | |
| H31 | 0.1456 | −0.1194 | −0.1447 | 0.043* | |
| H32 | 0.0565 | −0.0845 | −0.0438 | 0.043* | |
| C7 | 0.0412 (3) | 0.2719 (2) | 0.0986 (3) | 0.0510 (7) | |
| H7A | 0.0561 | 0.3529 | 0.0946 | 0.061* | |
| H7B | 0.0435 | 0.2503 | 0.1912 | 0.061* | |
| C8 | 0.1501 (2) | 0.2132 (2) | 0.0340 (2) | 0.0446 (7) | |
| H8A | 0.1424 | 0.2276 | −0.0605 | 0.054* | |
| H8B | 0.2349 | 0.2430 | 0.0681 | 0.054* | |
| C9 | 0.2570 (2) | 0.0350 (2) | 0.0057 (2) | 0.0459 (7) | |
| H9A | 0.3388 | 0.0598 | 0.0519 | 0.055* | |
| H9B | 0.2625 | 0.0525 | −0.0875 | 0.055* | |
| C10 | 0.2406 (2) | −0.0876 (2) | 0.0229 (2) | 0.0485 (7) | |
| H10A | 0.3206 | −0.1264 | −0.0015 | 0.058* | |
| H10B | 0.2270 | −0.1042 | 0.1151 | 0.058* | |
| C11 | 0.0922 (3) | −0.24601 (19) | −0.0372 (3) | 0.0487 (7) | |
| H11A | 0.0928 | −0.2609 | 0.0571 | 0.058* | |
| H11B | 0.1577 | −0.2949 | −0.0748 | 0.058* | |
| O3 | 0.11622 (16) | 0.04470 (16) | 0.33220 (14) | 0.0609 (6) | |
| H3A | 0.0351 | 0.0418 | 0.3385 | 0.091* | |
| H3B | 0.1593 | 0.0314 | 0.4019 | 0.091* |
| O1 | 0.0313 (10) | 0.0450 (11) | 0.0374 (9) | 0.0095 (8) | 0.0064 (8) | 0.0074 (8) |
| O2 | 0.0425 (11) | 0.0484 (11) | 0.0389 (9) | −0.0014 (8) | 0.0010 (8) | 0.0163 (8) |
| N1 | 0.0335 (12) | 0.0338 (11) | 0.0327 (10) | 0.0028 (9) | 0.0026 (9) | 0.0033 (9) |
| C1 | 0.0439 (16) | 0.0346 (14) | 0.0361 (13) | 0.0048 (12) | −0.0003 (12) | 0.0055 (11) |
| C2 | 0.0398 (16) | 0.0423 (16) | 0.0476 (15) | 0.0118 (13) | −0.0042 (13) | −0.0027 (13) |
| C3 | 0.0305 (15) | 0.0573 (18) | 0.0473 (15) | 0.0062 (13) | 0.0050 (12) | 0.0018 (14) |
| C4 | 0.0377 (15) | 0.0464 (15) | 0.0314 (13) | −0.0027 (13) | 0.0038 (11) | 0.0052 (12) |
| C5 | 0.0289 (13) | 0.0303 (13) | 0.0239 (11) | −0.0024 (11) | −0.0012 (10) | −0.0007 (10) |
| C6 | 0.0365 (15) | 0.0284 (13) | 0.0281 (12) | −0.0041 (11) | −0.0045 (11) | −0.0015 (11) |
| N2 | 0.0427 (13) | 0.0406 (12) | 0.0296 (10) | 0.0016 (10) | 0.0071 (9) | −0.0003 (9) |
| N3 | 0.0392 (12) | 0.0361 (12) | 0.0333 (10) | 0.0082 (10) | 0.0086 (9) | 0.0035 (9) |
| C7 | 0.074 (2) | 0.0301 (14) | 0.0499 (16) | −0.0049 (14) | 0.0144 (16) | 0.0006 (12) |
| C8 | 0.0459 (17) | 0.0431 (16) | 0.0448 (15) | −0.0104 (13) | 0.0036 (13) | 0.0033 (13) |
| C9 | 0.0392 (16) | 0.0610 (18) | 0.0377 (14) | −0.0040 (14) | 0.0035 (12) | −0.0116 (13) |
| C10 | 0.0424 (16) | 0.0643 (19) | 0.0383 (14) | 0.0160 (14) | −0.0020 (13) | −0.0044 (13) |
| C11 | 0.0565 (18) | 0.0364 (16) | 0.0554 (17) | 0.0108 (13) | 0.0231 (15) | 0.0159 (13) |
| O3 | 0.0392 (11) | 0.1048 (16) | 0.0385 (10) | −0.0009 (11) | 0.0012 (9) | 0.0222 (10) |
| O1—C6 | 1.257 (2) | N3—H31 | 0.9200 |
| O2—C6 | 1.250 (2) | N3—H32 | 0.9200 |
| N1—C1 | 1.339 (3) | C7—C8 | 1.509 (3) |
| N1—C5 | 1.341 (2) | C7—C11i | 1.511 (4) |
| C1—C2 | 1.374 (3) | C7—H7A | 0.9900 |
| C1—H1 | 0.9500 | C7—H7B | 0.9900 |
| C2—C3 | 1.377 (3) | C8—H8A | 0.9900 |
| C2—H2 | 0.9500 | C8—H8B | 0.9900 |
| C3—C4 | 1.374 (3) | C9—C10 | 1.499 (3) |
| C3—H3 | 0.9500 | C9—H9A | 0.9900 |
| C4—C5 | 1.385 (3) | C9—H9B | 0.9900 |
| C4—H4 | 0.9500 | C10—H10A | 0.9900 |
| C5—C6 | 1.519 (3) | C10—H10B | 0.9900 |
| N2—C9 | 1.459 (3) | C11—C7i | 1.511 (4) |
| N2—C8 | 1.468 (3) | C11—H11A | 0.9900 |
| N2—H21 | 0.9200 | C11—H11B | 0.9900 |
| N3—C10 | 1.482 (3) | O3—H3A | 0.8400 |
| N3—C11 | 1.487 (3) | O3—H3B | 0.8400 |
| C1—N1—C5 | 117.3 (2) | C11i—C7—H7A | 108.9 |
| N1—C1—C2 | 123.9 (2) | C8—C7—H7B | 108.9 |
| N1—C1—H1 | 118.1 | C11i—C7—H7B | 108.9 |
| C2—C1—H1 | 118.1 | H7A—C7—H7B | 107.7 |
| C1—C2—C3 | 118.0 (2) | N2—C8—C7 | 111.34 (19) |
| C1—C2—H2 | 121.0 | N2—C8—H8A | 109.4 |
| C3—C2—H2 | 121.0 | C7—C8—H8A | 109.4 |
| C4—C3—C2 | 119.4 (2) | N2—C8—H8B | 109.4 |
| C4—C3—H3 | 120.3 | C7—C8—H8B | 109.4 |
| C2—C3—H3 | 120.3 | H8A—C8—H8B | 108.0 |
| C3—C4—C5 | 119.0 (2) | N2—C9—C10 | 109.6 (2) |
| C3—C4—H4 | 120.5 | N2—C9—H9A | 109.8 |
| C5—C4—H4 | 120.5 | C10—C9—H9A | 109.8 |
| N1—C5—C4 | 122.4 (2) | N2—C9—H9B | 109.8 |
| N1—C5—C6 | 116.15 (19) | C10—C9—H9B | 109.8 |
| C4—C5—C6 | 121.4 (2) | H9A—C9—H9B | 108.2 |
| O2—C6—O1 | 126.1 (2) | N3—C10—C9 | 110.3 (2) |
| O2—C6—C5 | 116.1 (2) | N3—C10—H10A | 109.6 |
| O1—C6—C5 | 117.80 (19) | C9—C10—H10A | 109.6 |
| C9—N2—C8 | 112.69 (19) | N3—C10—H10B | 109.6 |
| C9—N2—H21 | 108.4 | C9—C10—H10B | 109.6 |
| C8—N2—H21 | 108.5 | H10A—C10—H10B | 108.1 |
| C10—N3—C11 | 114.79 (19) | N3—C11—C7i | 110.9 (2) |
| C10—N3—H31 | 108.6 | N3—C11—H11A | 109.5 |
| C11—N3—H31 | 108.6 | C7i—C11—H11A | 109.5 |
| C10—N3—H32 | 108.6 | N3—C11—H11B | 109.5 |
| C11—N3—H32 | 108.6 | C7i—C11—H11B | 109.5 |
| H31—N3—H32 | 107.5 | H11A—C11—H11B | 108.0 |
| C8—C7—C11i | 113.3 (2) | H3A—O3—H3B | 113.9 |
| C8—C7—H7A | 108.9 | ||
| C5—N1—C1—C2 | −1.6 (3) | C4—C5—C6—O2 | −16.4 (3) |
| N1—C1—C2—C3 | −0.2 (4) | N1—C5—C6—O1 | −17.0 (3) |
| C1—C2—C3—C4 | 2.0 (4) | C4—C5—C6—O1 | 164.4 (2) |
| C2—C3—C4—C5 | −1.9 (3) | C9—N2—C8—C7 | −174.9 (2) |
| C1—N1—C5—C4 | 1.7 (3) | C11i—C7—C8—N2 | −68.7 (3) |
| C1—N1—C5—C6 | −176.94 (19) | C8—N2—C9—C10 | −175.26 (19) |
| C3—C4—C5—N1 | 0.0 (3) | C11—N3—C10—C9 | −172.71 (19) |
| C3—C4—C5—C6 | 178.6 (2) | N2—C9—C10—N3 | 66.5 (2) |
| N1—C5—C6—O2 | 162.19 (18) | C10—N3—C11—C7i | 165.97 (19) |
| H··· | ||||
| N2—H21···O3 | 0.92 | 2.02 | 2.932 (2) | 170 |
| N3—H32···N2 | 0.92 | 2.53 | 2.926 (3) | 106 |
| N3—H32···N2i | 0.92 | 2.08 | 2.846 (3) | 139 |
| N3—H31···O1ii | 0.92 | 1.86 | 2.749 (2) | 161 |
| N3—H31···N1ii | 0.92 | 2.46 | 3.039 (2) | 121 |
| O3—H3A···O1iii | 0.84 | 1.99 | 2.808 (2) | 165 |
| O3—H3B···O2iv | 0.84 | 1.91 | 2.739 (2) | 168 |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N2—H21⋯O3 | 0.92 | 2.02 | 2.932 (2) | 170 |
| N3—H32⋯N2 | 0.92 | 2.53 | 2.926 (3) | 106 |
| N3—H32⋯N2i | 0.92 | 2.08 | 2.846 (3) | 139 |
| N3—H31⋯O1ii | 0.92 | 1.86 | 2.749 (2) | 161 |
| N3—H31⋯N1ii | 0.92 | 2.46 | 3.039 (2) | 121 |
| O3—H3 | 0.84 | 1.99 | 2.808 (2) | 165 |
| O3—H3 | 0.84 | 1.91 | 2.739 (2) | 168 |
Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .