Acta Cryst. (2009). E65, o320 [ doi:10.1107/S1600536809000178 ]
The title compound, C19H34N+·C10H7O4S-, is a charge-control agent used for toners in electrophotography. In the crystal structure, centrosymmetric anions associate through O-H
O hydrogen bonds formed between the O-H group of one anion and the sulfonate O atom of a neighbor. The components of the dimer are offset with respect to each other so that the separation between the two parallel naphthalene skeletons is about 1.6 Å. The ethyl residues of two of the butyl groups are disordered and were modelled over two postions (site occupancies = 0.33/0.67 and 0.34/0.66).
Compound (I) was obtained from Orient Chemical Industries, Ltd. and was recrystallized from a dichloromethane solution. After 48 h, a number of colorless crystals were obtained in the form of blocks.
Each of the two pairs of butyl-C10 & C11 and C18 & C19 atoms were found to be disordered over two sites. From anisotropic refinement, the site occupancies for the C10A/C10B and C11A/C11B pairs were fixed at 0.33 and 0.67, respectively, whereas those for C18A/C18B and C19A/C19B were fixed at 0.34 and 0.66, respectively. All H atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms, with C—H = 0.93 Å (aromatic), 0.96 Å (methyl), or 0.97 Å (methylene), and O—H = 0.82 Å, and with Uiso(H) = 1.2-1.5Ueq(parent atom).
Data collection: PROCESS-AUTO (Rigaku, 1998); cell refinement: PROCESS-AUTO (Rigaku, 1998); data reduction: CrystalStructure (Rigaku/MSC, 2006); program(s) used to solve structure: SIR2002 (Burla et al., 2003); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); software used to prepare material for publication: CrystalStructure (Rigaku/MSC, 2006).
| C19H34N+·C10H7O4S− | F(000) = 1080 |
| Mr = 499.70 | Dx = 1.175 Mg m−3 |
| Monoclinic, P21/n | Cu Kα radiation, λ = 1.54187 Å |
| Hall symbol: -P 2yn | Cell parameters from 20030 reflections |
| a = 11.2676 (11) Å | θ = 3.5–68.2° |
| b = 12.4528 (12) Å | µ = 1.27 mm−1 |
| c = 20.549 (2) Å | T = 296 K |
| β = 101.628 (7)° | Block, colorless |
| V = 2824.1 (5) Å3 | 0.50 × 0.35 × 0.35 mm |
| Z = 4 |
| Rigaku R-AXIS RAPID diffractometer | 4254 reflections with F2 > 2σ(F2) |
| Detector resolution: 10.00 pixels mm-1 | Rint = 0.033 |
| ω scans | θmax = 68.2° |
| Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −13→13 |
| Tmin = 0.625, Tmax = 0.640 | k = −15→15 |
| 25962 measured reflections | l = −24→24 |
| 4907 independent reflections |
| Refinement on F2 | H-atom parameters constrained |
| R[F2 > 2σ(F2)] = 0.082 | w = 1/[σ2(Fo2) + (0.1354P)2 + 1.1699P] where P = (Fo2 + 2Fc2)/3 |
| wR(F2) = 0.221 | (Δ/σ)max < 0.001 |
| S = 1.08 | Δρmax = 0.67 e Å−3 |
| 4907 reflections | Δρmin = −0.97 e Å−3 |
| 347 parameters |
| C19H34N+·C10H7O4S− | V = 2824.1 (5) Å3 |
| Mr = 499.70 | Z = 4 |
| Monoclinic, P21/n | Cu Kα radiation |
| a = 11.2676 (11) Å | µ = 1.27 mm−1 |
| b = 12.4528 (12) Å | T = 296 K |
| c = 20.549 (2) Å | 0.50 × 0.35 × 0.35 mm |
| β = 101.628 (7)° |
| Rigaku R-AXIS RAPID diffractometer | 4907 independent reflections |
| Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 4254 reflections with F2 > 2σ(F2) |
| Tmin = 0.625, Tmax = 0.640 | Rint = 0.033 |
| 25962 measured reflections | θmax = 68.2° |
| R[F2 > 2σ(F2)] = 0.082 | H-atom parameters constrained |
| wR(F2) = 0.221 | Δρmax = 0.67 e Å−3 |
| S = 1.08 | Δρmin = −0.97 e Å−3 |
| 4907 reflections | Absolute structure: ? |
| 347 parameters | Flack parameter: ? |
| ? 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 | Occ. (<1) | |
| S1 | 0.91846 (5) | 0.00482 (5) | 0.63573 (3) | 0.0505 (2) | |
| O1 | 0.80247 (16) | 0.02686 (17) | 0.59362 (10) | 0.0661 (5) | |
| O2 | 0.97467 (17) | −0.09153 (14) | 0.61559 (10) | 0.0630 (4) | |
| O3 | 0.91597 (19) | 0.00507 (16) | 0.70580 (10) | 0.0672 (5) | |
| O4 | 1.1388 (2) | 0.22083 (17) | 0.48351 (10) | 0.0714 (5) | |
| N1 | 0.63389 (19) | 0.16264 (17) | 0.75442 (12) | 0.0573 (5) | |
| C1 | 0.4036 (2) | −0.0072 (2) | 0.68571 (16) | 0.0625 (7) | |
| C2 | 0.3010 (2) | −0.0304 (2) | 0.63847 (17) | 0.0691 (7) | |
| C3 | 0.2984 (2) | −0.0091 (2) | 0.57251 (18) | 0.0703 (8) | |
| C4 | 0.3972 (3) | 0.0358 (2) | 0.55390 (16) | 0.0737 (8) | |
| C5 | 0.5013 (2) | 0.0591 (2) | 0.60108 (15) | 0.0677 (7) | |
| C6 | 0.5045 (2) | 0.0377 (2) | 0.66767 (14) | 0.0541 (6) | |
| C7 | 0.6212 (2) | 0.0541 (2) | 0.71838 (14) | 0.0581 (6) | |
| C8 | 0.5322 (2) | 0.1792 (2) | 0.79266 (16) | 0.0734 (8) | |
| C9 | 0.53000 (17) | 0.1034 (3) | 0.85017 (16) | 0.0945 (10) | |
| C10A | 0.4160 (3) | 0.0773 (3) | 0.8763 (3) | 0.105 (2) | 0.33 |
| C10B | 0.4118 (3) | 0.1309 (3) | 0.8716 (2) | 0.1068 (19) | 0.67 |
| C11A | 0.3668 (12) | 0.1744 (7) | 0.9023 (8) | 0.133 (2) | 0.33 |
| C11B | 0.4095 (7) | 0.0758 (6) | 0.9349 (3) | 0.133 (2) | 0.67 |
| C12 | 0.6247 (2) | 0.2546 (2) | 0.70588 (16) | 0.0695 (7) | |
| C13 | 0.7250 (3) | 0.2623 (2) | 0.66732 (16) | 0.0794 (9) | |
| C14 | 0.6911 (2) | 0.3473 (3) | 0.6135 (2) | 0.1264 (16) | |
| C15 | 0.7786 (6) | 0.3542 (6) | 0.5691 (3) | 0.200 (3) | |
| C16 | 0.7576 (2) | 0.1590 (2) | 0.80101 (15) | 0.0625 (7) | |
| C17 | 0.7946 (2) | 0.2602 (2) | 0.84116 (16) | 0.0797 (8) | |
| C18A | 0.9264 (3) | 0.2545 (3) | 0.8776 (4) | 0.097 (3) | 0.34 |
| C18B | 0.9066 (4) | 0.2397 (6) | 0.8951 (2) | 0.107 (2) | 0.66 |
| C19A | 0.9500 (12) | 0.1705 (8) | 0.9291 (5) | 0.1192 (19) | 0.34 |
| C19B | 1.0137 (5) | 0.2081 (6) | 0.8686 (3) | 0.1192 (19) | 0.66 |
| C20 | 1.0176 (2) | 0.10968 (19) | 0.62246 (12) | 0.0490 (5) | |
| C21 | 1.0829 (2) | 0.1662 (2) | 0.67460 (14) | 0.0567 (6) | |
| C22 | 1.1668 (2) | 0.2447 (2) | 0.66307 (15) | 0.0592 (6) | |
| C23 | 1.2369 (2) | 0.3057 (2) | 0.71564 (18) | 0.0758 (8) | |
| C24 | 1.3190 (3) | 0.3785 (2) | 0.7044 (2) | 0.0871 (10) | |
| C25 | 1.3381 (2) | 0.3946 (2) | 0.6407 (2) | 0.0880 (11) | |
| C26 | 1.2734 (2) | 0.3379 (2) | 0.58762 (19) | 0.0751 (8) | |
| C27 | 1.1857 (2) | 0.2624 (2) | 0.59803 (15) | 0.0578 (6) | |
| C28 | 1.1160 (2) | 0.2017 (2) | 0.54510 (13) | 0.0543 (6) | |
| C29 | 1.0324 (2) | 0.1288 (2) | 0.55687 (12) | 0.0504 (5) | |
| H1 | 0.4048 | −0.0221 | 0.7302 | 0.075* | |
| H2 | 0.2337 | −0.0604 | 0.6513 | 0.083* | |
| H3 | 0.2296 | −0.0251 | 0.5406 | 0.084* | |
| H4 | 0.3949 | 0.0510 | 0.5093 | 0.088* | |
| H4O | 1.0955 | 0.1822 | 0.4563 | 0.086* | |
| H5 | 0.5684 | 0.0889 | 0.5880 | 0.081* | |
| H7A | 0.6877 | 0.0472 | 0.6953 | 0.073* | |
| H7B | 0.6276 | −0.0019 | 0.7507 | 0.073* | |
| H8A | 0.5377 | 0.2521 | 0.8097 | 0.088* | |
| H8B | 0.4554 | 0.1729 | 0.7615 | 0.088* | |
| H9A | 0.5886 | 0.1310 | 0.8876 | 0.113* | 0.33 |
| H9B | 0.5617 | 0.0353 | 0.8382 | 0.113* | 0.33 |
| H9C | 0.5990 | 0.1156 | 0.8861 | 0.113* | 0.67 |
| H9D | 0.5304 | 0.0291 | 0.8360 | 0.113* | 0.67 |
| H10A | 0.3554 | 0.0471 | 0.8407 | 0.125* | 0.33 |
| H10B | 0.4349 | 0.0241 | 0.9113 | 0.125* | 0.33 |
| H10C | 0.4060 | 0.2079 | 0.8773 | 0.128* | 0.67 |
| H10D | 0.3435 | 0.1079 | 0.8379 | 0.128* | 0.67 |
| H11A | 0.2989 | 0.1551 | 0.9216 | 0.200* | 0.33 |
| H11B | 0.3411 | 0.2244 | 0.8667 | 0.200* | 0.33 |
| H11C | 0.4284 | 0.2069 | 0.9356 | 0.200* | 0.33 |
| H11D | 0.4257 | 0.0007 | 0.9305 | 0.200* | 0.67 |
| H11E | 0.3311 | 0.0845 | 0.9458 | 0.200* | 0.67 |
| H11F | 0.4701 | 0.1062 | 0.9695 | 0.200* | 0.67 |
| H12A | 0.5483 | 0.2485 | 0.6745 | 0.083* | |
| H12B | 0.6227 | 0.3211 | 0.7302 | 0.083* | |
| H13A | 0.7360 | 0.1934 | 0.6473 | 0.095* | |
| H13B | 0.8004 | 0.2817 | 0.6969 | 0.095* | |
| H14A | 0.6116 | 0.3310 | 0.5872 | 0.152* | |
| H14B | 0.6863 | 0.4167 | 0.6344 | 0.152* | |
| H15A | 0.8566 | 0.3743 | 0.5944 | 0.300* | |
| H15B | 0.7518 | 0.4071 | 0.5354 | 0.300* | |
| H15C | 0.7845 | 0.2857 | 0.5486 | 0.300* | |
| H16A | 0.7581 | 0.0996 | 0.8316 | 0.075* | |
| H16B | 0.8183 | 0.1439 | 0.7748 | 0.075* | |
| H17A | 0.7429 | 0.2696 | 0.8732 | 0.096* | 0.34 |
| H17B | 0.7836 | 0.3218 | 0.8117 | 0.096* | 0.34 |
| H17C | 0.7284 | 0.2837 | 0.8614 | 0.096* | 0.66 |
| H17D | 0.8116 | 0.3168 | 0.8119 | 0.096* | 0.66 |
| H18A | 0.9770 | 0.2412 | 0.8454 | 0.116* | 0.34 |
| H18B | 0.9495 | 0.3235 | 0.8981 | 0.116* | 0.34 |
| H18C | 0.9255 | 0.3044 | 0.9215 | 0.129* | 0.66 |
| H18D | 0.8886 | 0.1834 | 0.9242 | 0.129* | 0.66 |
| H19A | 0.8759 | 0.1337 | 0.9309 | 0.179* | 0.34 |
| H19B | 0.9818 | 0.2029 | 0.9715 | 0.179* | 0.34 |
| H19C | 1.0079 | 0.1202 | 0.9186 | 0.179* | 0.34 |
| H19D | 0.9994 | 0.1395 | 0.8471 | 0.179* | 0.66 |
| H19E | 1.0830 | 0.2034 | 0.9043 | 0.179* | 0.66 |
| H19F | 1.0286 | 0.2608 | 0.8370 | 0.179* | 0.66 |
| H21 | 1.0722 | 0.1530 | 0.7176 | 0.068* | |
| H23 | 1.2258 | 0.2951 | 0.7588 | 0.091* | |
| H24 | 1.3629 | 0.4180 | 0.7395 | 0.104* | |
| H25 | 1.3955 | 0.4446 | 0.6336 | 0.106* | |
| H26 | 1.2875 | 0.3493 | 0.5451 | 0.090* | |
| H29 | 0.9851 | 0.0918 | 0.5217 | 0.060* |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| S1 | 0.0471 (3) | 0.0556 (3) | 0.0498 (4) | 0.0019 (2) | 0.0121 (2) | 0.0009 (2) |
| O1 | 0.0447 (9) | 0.0798 (12) | 0.0700 (13) | −0.0022 (8) | 0.0026 (8) | 0.0053 (9) |
| O2 | 0.0680 (11) | 0.0481 (9) | 0.0778 (12) | 0.0001 (8) | 0.0264 (9) | −0.0020 (8) |
| O3 | 0.0714 (12) | 0.0808 (13) | 0.0529 (12) | −0.0005 (9) | 0.0208 (9) | 0.0039 (8) |
| O4 | 0.0883 (13) | 0.0682 (12) | 0.0624 (12) | −0.0186 (10) | 0.0261 (10) | 0.0013 (9) |
| N1 | 0.0523 (11) | 0.0544 (11) | 0.0650 (14) | 0.0038 (9) | 0.0118 (10) | −0.0133 (9) |
| C1 | 0.0623 (16) | 0.0628 (16) | 0.0629 (18) | −0.0047 (12) | 0.0140 (14) | −0.0025 (12) |
| C2 | 0.0529 (14) | 0.0727 (17) | 0.080 (2) | −0.0037 (13) | 0.0091 (14) | −0.0040 (15) |
| C3 | 0.0572 (16) | 0.0753 (19) | 0.072 (2) | 0.0098 (13) | −0.0029 (14) | −0.0090 (14) |
| C4 | 0.0740 (18) | 0.089 (2) | 0.0562 (18) | 0.0045 (16) | 0.0088 (14) | −0.0033 (15) |
| C5 | 0.0629 (15) | 0.0783 (19) | 0.0640 (18) | −0.0043 (14) | 0.0181 (13) | −0.0072 (14) |
| C6 | 0.0522 (13) | 0.0503 (13) | 0.0597 (16) | 0.0044 (10) | 0.0109 (11) | −0.0074 (11) |
| C7 | 0.0539 (13) | 0.0514 (13) | 0.0659 (17) | 0.0030 (11) | 0.0050 (12) | −0.0156 (11) |
| C8 | 0.0551 (14) | 0.082 (2) | 0.085 (2) | 0.0037 (14) | 0.0181 (14) | −0.0301 (16) |
| C9 | 0.091 (2) | 0.118 (2) | 0.079 (2) | −0.016 (2) | 0.0288 (18) | −0.021 (2) |
| C10A | 0.108 (5) | 0.131 (6) | 0.089 (5) | −0.011 (5) | 0.051 (4) | 0.013 (5) |
| C10B | 0.107 (3) | 0.107 (4) | 0.107 (4) | 0.000 (3) | 0.022 (3) | 0.000 (3) |
| C11A | 0.136 (4) | 0.150 (5) | 0.133 (4) | −0.034 (4) | 0.072 (3) | −0.023 (3) |
| C11B | 0.136 (4) | 0.150 (5) | 0.133 (4) | −0.034 (4) | 0.072 (3) | −0.023 (3) |
| C12 | 0.0718 (17) | 0.0527 (15) | 0.080 (2) | 0.0071 (12) | 0.0058 (15) | −0.0059 (13) |
| C13 | 0.088 (2) | 0.0681 (18) | 0.083 (2) | −0.0052 (16) | 0.0189 (18) | −0.0014 (15) |
| C14 | 0.180 (4) | 0.087 (2) | 0.124 (3) | 0.009 (3) | 0.057 (3) | 0.023 (2) |
| C15 | 0.257 (8) | 0.173 (6) | 0.199 (6) | −0.004 (6) | 0.115 (6) | 0.052 (5) |
| C16 | 0.0512 (13) | 0.0635 (15) | 0.0697 (18) | 0.0009 (11) | 0.0051 (12) | −0.0117 (12) |
| C17 | 0.0754 (18) | 0.0747 (18) | 0.085 (2) | −0.0020 (15) | 0.0072 (15) | −0.0266 (15) |
| C18A | 0.082 (4) | 0.091 (5) | 0.106 (6) | −0.013 (5) | −0.006 (5) | −0.035 (4) |
| C18B | 0.089 (3) | 0.110 (4) | 0.108 (4) | −0.007 (3) | −0.013 (2) | −0.025 (3) |
| C19A | 0.082 (2) | 0.115 (4) | 0.146 (5) | 0.003 (3) | −0.010 (2) | −0.008 (3) |
| C19B | 0.082 (2) | 0.115 (4) | 0.146 (5) | 0.003 (3) | −0.010 (2) | −0.008 (3) |
| C20 | 0.0459 (11) | 0.0502 (12) | 0.0502 (14) | 0.0061 (9) | 0.0079 (10) | −0.0018 (10) |
| C21 | 0.0557 (13) | 0.0608 (14) | 0.0530 (15) | 0.0054 (11) | 0.0096 (11) | −0.0075 (11) |
| C22 | 0.0514 (13) | 0.0541 (14) | 0.0691 (18) | 0.0071 (11) | 0.0045 (12) | −0.0155 (11) |
| C23 | 0.0674 (17) | 0.0699 (18) | 0.083 (2) | 0.0005 (14) | −0.0009 (15) | −0.0261 (15) |
| C24 | 0.0656 (18) | 0.071 (2) | 0.117 (3) | −0.0029 (15) | 0.0002 (19) | −0.0342 (19) |
| C25 | 0.0600 (17) | 0.0616 (18) | 0.140 (3) | −0.0112 (14) | 0.015 (2) | −0.022 (2) |
| C26 | 0.0644 (16) | 0.0560 (16) | 0.109 (2) | −0.0063 (13) | 0.0266 (17) | −0.0067 (15) |
| C27 | 0.0514 (13) | 0.0462 (12) | 0.0762 (18) | 0.0008 (10) | 0.0137 (12) | −0.0077 (11) |
| C28 | 0.0576 (13) | 0.0478 (12) | 0.0586 (15) | 0.0018 (10) | 0.0144 (11) | −0.0004 (10) |
| C29 | 0.0512 (12) | 0.0498 (12) | 0.0483 (14) | 0.0005 (10) | 0.0057 (10) | −0.0033 (10) |
| S1—O1 | 1.4409 (17) | C7—H7A | 0.968 |
| S1—O2 | 1.4552 (19) | C7—H7B | 0.955 |
| S1—O3 | 1.446 (2) | C8—H8A | 0.970 |
| S1—C20 | 1.775 (2) | C8—H8B | 0.970 |
| O4—C28 | 1.362 (3) | C9—H9A | 0.970 |
| N1—C7 | 1.535 (3) | C9—H9B | 0.970 |
| N1—C8 | 1.529 (4) | C10A—H10A | 0.970 |
| N1—C12 | 1.508 (3) | C10A—H10B | 0.970 |
| N1—C16 | 1.524 (3) | C10B—H10C | 0.970 |
| C1—C2 | 1.382 (4) | C10B—H10D | 0.970 |
| C1—C6 | 1.383 (4) | C11A—H11A | 0.960 |
| C2—C3 | 1.376 (5) | C11A—H11B | 0.960 |
| C3—C4 | 1.367 (4) | C11A—H11C | 0.960 |
| C4—C5 | 1.393 (4) | C11B—H11D | 0.960 |
| C5—C6 | 1.387 (4) | C11B—H11E | 0.960 |
| C6—C7 | 1.518 (3) | C11B—H11F | 0.960 |
| C8—C9 | 1.517 (4) | C12—H12A | 0.970 |
| C9—C10A | 1.523 (5) | C12—H12B | 0.970 |
| C9—C10B | 1.524 (5) | C13—H13A | 0.970 |
| C10A—C11A | 1.475 (13) | C13—H13B | 0.970 |
| C10B—C11B | 1.475 (8) | C14—H14A | 0.970 |
| C12—C13 | 1.508 (5) | C14—H14B | 0.970 |
| C13—C14 | 1.523 (4) | C15—H15A | 0.960 |
| C14—C15 | 1.474 (8) | C15—H15B | 0.960 |
| C16—C17 | 1.518 (4) | C15—H15C | 0.960 |
| C17—C18A | 1.524 (5) | C16—H16A | 0.970 |
| C17—C18B | 1.524 (5) | C16—H16B | 0.970 |
| C18A—C19A | 1.475 (13) | C17—H17A | 0.970 |
| C18B—C19B | 1.475 (8) | C17—H17B | 0.970 |
| C20—C21 | 1.367 (3) | C18A—H18A | 0.970 |
| C20—C29 | 1.411 (3) | C18A—H18B | 0.970 |
| C21—C22 | 1.412 (3) | C18B—H18C | 0.970 |
| C22—C23 | 1.423 (4) | C18B—H18D | 0.970 |
| C22—C27 | 1.413 (4) | C19A—H19A | 0.960 |
| C23—C24 | 1.349 (5) | C19A—H19B | 0.960 |
| C24—C25 | 1.383 (6) | C19A—H19C | 0.960 |
| C25—C26 | 1.378 (5) | C19B—H19D | 0.960 |
| C26—C27 | 1.411 (4) | C19B—H19E | 0.960 |
| C27—C28 | 1.424 (3) | C19B—H19F | 0.960 |
| C28—C29 | 1.364 (3) | C21—H21 | 0.930 |
| O4—H4O | 0.820 | C23—H23 | 0.930 |
| C1—H1 | 0.930 | C24—H24 | 0.930 |
| C2—H2 | 0.930 | C25—H25 | 0.930 |
| C3—H3 | 0.930 | C26—H26 | 0.930 |
| C4—H4 | 0.930 | C29—H29 | 0.930 |
| C5—H5 | 0.930 | ||
| O2···O4i | 2.706 (2) | C5···H18Biv | 2.985 |
| O4···O2i | 2.706 (2) | C7···H9D | 2.826 |
| S1···H4Oi | 2.984 | C8···H9C | 2.073 |
| O1···H3ii | 2.710 | C8···H9D | 2.073 |
| O1···H4ii | 2.910 | C8···H17C | 2.706 |
| O1···H5 | 2.728 | C9···H9C | 0.970 |
| O1···H7A | 2.681 | C9···H9D | 0.970 |
| O1···H13A | 2.532 | C10B···H9C | 2.079 |
| O2···H2iii | 2.889 | C10B···H9D | 2.079 |
| O2···H4Oi | 1.900 | C11B···H15Bvii | 2.991 |
| O2···H8Aiv | 2.501 | C11B···H9C | 2.585 |
| O2···H10Civ | 2.826 | C11B···H9D | 2.728 |
| O2···H29i | 2.945 | C12···H17D | 2.816 |
| O2···H17Civ | 2.882 | C15···H11Evi | 2.822 |
| O3···H7A | 2.590 | C16···H9C | 2.792 |
| O3···H12Biv | 2.720 | C16···H17C | 2.056 |
| O3···H16B | 2.615 | C16···H17D | 2.056 |
| O3···H24v | 2.742 | C17···H17C | 0.970 |
| O4···H9Avi | 2.676 | C17···H17D | 0.970 |
| O4···H11Cvi | 2.542 | C18B···H17C | 2.061 |
| O4···H11Fvi | 2.848 | C18B···H17D | 2.061 |
| O4···H17Avi | 2.757 | C19B···H17D | 2.703 |
| O4···H9Cvi | 2.829 | C23···H8Biii | 2.958 |
| O4···H17Cvi | 2.887 | C24···H10Aviii | 2.897 |
| N1···H9C | 2.871 | C25···H10Aviii | 2.973 |
| N1···H9D | 2.779 | C25···H12Aiii | 2.956 |
| N1···H17C | 2.702 | C26···H11Dviii | 2.991 |
| N1···H17D | 2.852 | C28···H11Cvi | 2.985 |
| O1—S1—O2 | 112.35 (11) | C9—C10B—H10C | 109.9 |
| O1—S1—O3 | 113.60 (12) | C9—C10B—H10D | 109.9 |
| O1—S1—C20 | 106.88 (11) | C11B—C10B—H10C | 109.9 |
| O2—S1—O3 | 112.45 (11) | C11B—C10B—H10D | 109.9 |
| O2—S1—C20 | 103.85 (11) | H10C—C10B—H10D | 108.3 |
| O3—S1—C20 | 106.89 (11) | C10A—C11A—H11A | 109.5 |
| C7—N1—C8 | 111.1 (2) | C10A—C11A—H11B | 109.5 |
| C7—N1—C12 | 111.2 (2) | C10A—C11A—H11C | 109.5 |
| C7—N1—C16 | 105.12 (18) | H11A—C11A—H11B | 109.5 |
| C8—N1—C12 | 106.2 (2) | H11A—C11A—H11C | 109.5 |
| C8—N1—C16 | 111.5 (2) | H11B—C11A—H11C | 109.5 |
| C12—N1—C16 | 111.7 (2) | C10B—C11B—H11D | 109.5 |
| C2—C1—C6 | 120.8 (3) | C10B—C11B—H11E | 109.5 |
| C1—C2—C3 | 120.0 (3) | C10B—C11B—H11F | 109.5 |
| C2—C3—C4 | 119.8 (2) | H11D—C11B—H11E | 109.5 |
| C3—C4—C5 | 120.6 (3) | H11D—C11B—H11F | 109.5 |
| C4—C5—C6 | 119.8 (2) | H11E—C11B—H11F | 109.5 |
| C1—C6—C5 | 118.9 (2) | N1—C12—H12A | 108.3 |
| C1—C6—C7 | 121.0 (2) | N1—C12—H12B | 108.3 |
| C5—C6—C7 | 119.9 (2) | C13—C12—H12A | 108.3 |
| N1—C7—C6 | 115.6 (2) | C13—C12—H12B | 108.3 |
| N1—C8—C9 | 116.6 (2) | H12A—C12—H12B | 107.4 |
| C8—C9—C10A | 123.6 (2) | C12—C13—H13A | 109.9 |
| C8—C9—C10B | 103.8 (2) | C12—C13—H13B | 109.9 |
| C9—C10B—C11B | 108.8 (4) | C14—C13—H13A | 109.9 |
| N1—C12—C13 | 115.9 (2) | C14—C13—H13B | 109.9 |
| C12—C13—C14 | 108.7 (2) | H13A—C13—H13B | 108.3 |
| C13—C14—C15 | 112.9 (3) | C13—C14—H14A | 109.0 |
| N1—C16—C17 | 115.6 (2) | C13—C14—H14B | 109.0 |
| C16—C17—C18A | 111.2 (3) | C15—C14—H14A | 109.0 |
| C16—C17—C18B | 110.7 (3) | C15—C14—H14B | 109.0 |
| C17—C18A—C19A | 113.8 (6) | H14A—C14—H14B | 107.8 |
| C17—C18B—C19B | 113.3 (4) | C14—C15—H15A | 109.5 |
| S1—C20—C21 | 121.0 (2) | C14—C15—H15B | 109.5 |
| S1—C20—C29 | 118.05 (17) | C14—C15—H15C | 109.5 |
| C21—C20—C29 | 120.9 (2) | H15A—C15—H15B | 109.5 |
| C20—C21—C22 | 119.9 (2) | H15A—C15—H15C | 109.5 |
| C21—C22—C23 | 122.0 (2) | H15B—C15—H15C | 109.5 |
| C21—C22—C27 | 120.1 (2) | N1—C16—H16A | 108.4 |
| C23—C22—C27 | 117.9 (2) | N1—C16—H16B | 108.4 |
| C22—C23—C24 | 121.6 (3) | C17—C16—H16A | 108.4 |
| C23—C24—C25 | 120.2 (3) | C17—C16—H16B | 108.4 |
| C24—C25—C26 | 121.0 (3) | H16A—C16—H16B | 107.4 |
| C25—C26—C27 | 119.8 (3) | C16—C17—H17A | 109.4 |
| C22—C27—C26 | 119.4 (2) | C16—C17—H17B | 109.4 |
| C22—C27—C28 | 118.3 (2) | C16—C17—H17C | 109.5 |
| C26—C27—C28 | 122.2 (2) | C16—C17—H17D | 109.5 |
| O4—C28—C27 | 116.0 (2) | C18A—C17—H17A | 109.4 |
| O4—C28—C29 | 123.2 (2) | C18A—C17—H17B | 109.4 |
| C27—C28—C29 | 120.8 (2) | C18B—C17—H17C | 109.5 |
| C20—C29—C28 | 120.0 (2) | C18B—C17—H17D | 109.5 |
| C28—O4—H4O | 109.5 | H17A—C17—H17B | 108.0 |
| C2—C1—H1 | 119.6 | H17C—C17—H17D | 108.1 |
| C6—C1—H1 | 119.6 | C17—C18A—H18A | 108.8 |
| C1—C2—H2 | 120.0 | C17—C18A—H18B | 108.8 |
| C3—C2—H2 | 120.0 | C19A—C18A—H18A | 108.8 |
| C2—C3—H3 | 120.1 | C19A—C18A—H18B | 108.8 |
| C4—C3—H3 | 120.1 | H18A—C18A—H18B | 107.7 |
| C3—C4—H4 | 119.7 | C17—C18B—H18C | 108.9 |
| C5—C4—H4 | 119.7 | C17—C18B—H18D | 108.9 |
| C4—C5—H5 | 120.1 | C19B—C18B—H18C | 108.9 |
| C6—C5—H5 | 120.1 | C19B—C18B—H18D | 108.9 |
| N1—C7—H7A | 108.0 | H18C—C18B—H18D | 107.7 |
| N1—C7—H7B | 108.6 | C18A—C19A—H19A | 109.5 |
| C6—C7—H7A | 107.5 | C18A—C19A—H19B | 109.5 |
| C6—C7—H7B | 108.3 | C18A—C19A—H19C | 109.5 |
| H7A—C7—H7B | 108.6 | H19A—C19A—H19B | 109.5 |
| N1—C8—H8A | 108.1 | H19A—C19A—H19C | 109.5 |
| N1—C8—H8B | 108.1 | H19B—C19A—H19C | 109.5 |
| C9—C8—H8A | 108.1 | C18B—C19B—H19D | 109.5 |
| C9—C8—H8B | 108.1 | C18B—C19B—H19E | 109.5 |
| H8A—C8—H8B | 107.3 | C18B—C19B—H19F | 109.5 |
| C8—C9—H9A | 106.4 | H19D—C19B—H19E | 109.5 |
| C8—C9—H9B | 106.4 | H19D—C19B—H19F | 109.5 |
| C8—C9—H9C | 111.0 | H19E—C19B—H19F | 109.5 |
| C8—C9—H9D | 111.0 | C20—C21—H21 | 120.1 |
| C10A—C9—H9A | 106.4 | C22—C21—H21 | 120.1 |
| C10A—C9—H9B | 106.4 | C22—C23—H23 | 119.2 |
| C10B—C9—H9C | 111.0 | C24—C23—H23 | 119.2 |
| C10B—C9—H9D | 111.0 | C23—C24—H24 | 119.9 |
| H9A—C9—H9B | 106.5 | C25—C24—H24 | 119.9 |
| H9C—C9—H9D | 109.0 | C24—C25—H25 | 119.5 |
| C9—C10A—H10A | 109.4 | C26—C25—H25 | 119.5 |
| C9—C10A—H10B | 109.4 | C25—C26—H26 | 120.1 |
| C11A—C10A—H10A | 109.4 | C27—C26—H26 | 120.1 |
| C11A—C10A—H10B | 109.4 | C20—C29—H29 | 120.0 |
| H10A—C10A—H10B | 108.0 | C28—C29—H29 | 120.0 |
| O1—S1—C20—C21 | 127.8 (2) | C8—C9—C10A—C11A | −62.4 (8) |
| O1—S1—C20—C29 | −55.8 (2) | C8—C9—C10B—C11B | −170.1 (4) |
| O2—S1—C20—C21 | −113.2 (2) | N1—C12—C13—C14 | 171.0 (2) |
| O2—S1—C20—C29 | 63.2 (2) | C12—C13—C14—C15 | −174.9 (3) |
| O3—S1—C20—C21 | 5.9 (2) | N1—C16—C17—C18A | −171.1 (3) |
| O3—S1—C20—C29 | −177.75 (19) | N1—C16—C17—C18B | 168.8 (3) |
| C7—N1—C8—C9 | 65.3 (2) | C16—C17—C18B—C19B | 61.8 (6) |
| C8—N1—C7—C6 | 60.0 (3) | S1—C20—C21—C22 | 176.06 (19) |
| C7—N1—C12—C13 | −65.4 (2) | S1—C20—C29—C28 | −173.89 (19) |
| C12—N1—C7—C6 | −58.1 (3) | C21—C20—C29—C28 | 2.5 (3) |
| C7—N1—C16—C17 | 177.8 (2) | C29—C20—C21—C22 | −0.2 (3) |
| C16—N1—C7—C6 | −179.2 (2) | C20—C21—C22—C23 | 179.96 (18) |
| C8—N1—C12—C13 | 173.6 (2) | C20—C21—C22—C27 | −1.9 (3) |
| C12—N1—C8—C9 | −173.6 (2) | C21—C22—C23—C24 | 178.3 (2) |
| C8—N1—C16—C17 | −61.7 (3) | C21—C22—C27—C26 | −177.4 (2) |
| C16—N1—C8—C9 | −51.6 (3) | C21—C22—C27—C28 | 1.8 (3) |
| C12—N1—C16—C17 | 57.0 (3) | C23—C22—C27—C26 | 0.8 (3) |
| C16—N1—C12—C13 | 51.8 (3) | C23—C22—C27—C28 | 180.0 (2) |
| C2—C1—C6—C5 | −0.2 (3) | C27—C22—C23—C24 | 0.1 (3) |
| C2—C1—C6—C7 | −174.4 (2) | C22—C23—C24—C25 | −0.8 (5) |
| C6—C1—C2—C3 | 0.2 (4) | C23—C24—C25—C26 | 0.6 (5) |
| C1—C2—C3—C4 | −0.5 (4) | C24—C25—C26—C27 | 0.3 (4) |
| C2—C3—C4—C5 | 0.8 (5) | C25—C26—C27—C22 | −1.0 (4) |
| C3—C4—C5—C6 | −0.7 (5) | C25—C26—C27—C28 | 179.8 (2) |
| C4—C5—C6—C1 | 0.4 (4) | C22—C27—C28—O4 | −179.2 (2) |
| C4—C5—C6—C7 | 174.7 (2) | C22—C27—C28—C29 | 0.5 (3) |
| C1—C6—C7—N1 | −90.5 (3) | C26—C27—C28—O4 | −0.1 (2) |
| C5—C6—C7—N1 | 95.4 (3) | C26—C27—C28—C29 | 179.6 (2) |
| N1—C8—C9—C10A | −155.4 (3) | O4—C28—C29—C20 | 177.1 (2) |
| N1—C8—C9—C10B | −173.1 (2) | C27—C28—C29—C20 | −2.6 (3) |
| Symmetry codes: (i) −x+2, −y, −z+1; (ii) −x+1, −y, −z+1; (iii) x+1, y, z; (iv) −x+3/2, y−1/2, −z+3/2; (v) −x+5/2, y−1/2, −z+3/2; (vi) x+1/2, −y+1/2, z−1/2; (vii) x−1/2, −y+1/2, z+1/2; (viii) −x+3/2, y+1/2, −z+3/2. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O4—H4O···O2i | 0.82 | 1.90 | 2.706 (2) | 167 |
| Symmetry codes: (i) −x+2, −y, −z+1. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O4—H4O···O2i | 0.82 | 1.90 | 2.706 (2) | 167 |
| Symmetry codes: (i) −x+2, −y, −z+1. |
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Compound (I) is a charge-control-agent used for toners in electrophotography. The background of the present study has been set out in a previous contribution (Uta et al., 2009). We have previously investigated the crystal structures of two isomers of (I) in connection with the mechanism of their high thermal stability, namely benzyltributylammonium 4-hydroxynaphthalene-1-sulfonate (Mizuguchi et al., 2007) and benzyltributylammonium 6-hydroxynaphthalene-2-sulfonate (Uta et al., 2009). The anions in both isomers are found to form chains via O—H···O hydrogen bonds formed between the O—H group of one anion and the sulfonic-O atom of neighbors. The presence of these hydrogen-bonded networks ensures the high thermal stability of these compounds as characterized by their high melting points of 462 K and 433 K, respectively. This paper describes a variation to the above in that the O—H···O hydrogen bonding occurs between isolated pairs of molecules.
The asymmetric unit of (I) comprises a benzyltributylammonium cation and a 4-hydroxynaphthalene-2-sulfonate anion, Fig. 1. Centrosymmetrically related anions associate via O—H···O hydrogen bonds, Fig. 2 and Table 1, to form a 14-membered ring. As highlighted in the side-on view of Fig. 3, a step topology characterizes the dimeric unit so that the distance between the parallel naphthalene skeletons is about 1.6 Å. The hydrogen-bonded dimer in (I) is found to enhance the thermal stability as seen in the melting point of 451 K.