| Literature DB >> 21581052 |
S Murugavel, P S Kannan, A Subbiahpandi, Ramalingam Murugan, S Srimannarayanan.
Abstract
In the title compound, C(23)H(19)FO(5)S(2), two of the phenyl ring C atoms and a sulfonyl O atom of the phenyl(methylsulfonyl) group are disordered over two positions with occupancies 0.522 (17):0.478 (17). The methyl-phenyl and fluoro-phenyl rings are essentially planar, with maximum deviations of 0.0059 (8) and 0.0047 (9) Å, respectively. The crystal packing is stabilized by C-H⋯F inter-actions.Entities:
Year: 2008 PMID: 21581052 PMCID: PMC2959516 DOI: 10.1107/S1600536808034028
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C23H19FO5S2 | |
| Monoclinic, | Mo |
| Hall symbol: -P 2yn | Cell parameters from 3994 reflections |
| θ = 1.8–25.1° | |
| µ = 0.28 mm−1 | |
| β = 109.672 (2)° | Block, colourless |
| 0.26 × 0.15 × 0.15 mm | |
| Bruker APEXII CCD area-detector diffractometer | 2543 reflections with |
| Radiation source: fine-focus sealed tube | |
| graphite | θmax = 25.1°, θmin = 1.8° |
| ω and φ scans | |
| 21889 measured reflections | |
| 3994 independent 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 | |
| 3994 reflections | (Δ/σ)max = 0.015 |
| 293 parameters | Δρmax = 0.57 e Å−3 |
| 4 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 |
| Occ. (<1) | |||||
| C1 | 1.3723 (4) | 0.4255 (2) | −0.0871 (5) | 0.0930 (14) | |
| H1A | 1.3540 | 0.4621 | −0.1335 | 0.139* | |
| H1B | 1.3282 | 0.3943 | −0.1466 | 0.139* | |
| H1C | 1.4760 | 0.4191 | −0.0502 | 0.139* | |
| C2 | 1.1672 (4) | 0.3762 (2) | −0.0248 (4) | 0.0890 (13) | |
| C3 | 1.1626 (4) | 0.33042 (19) | −0.1075 (4) | 0.0806 (11) | |
| H3 | 1.2361 | 0.3260 | −0.1441 | 0.097* | |
| C4 | 1.0497 (4) | 0.29108 (18) | −0.1363 (4) | 0.0769 (11) | |
| H4 | 1.0475 | 0.2598 | −0.1918 | 0.092* | |
| C5 | 0.9391 (4) | 0.29742 (17) | −0.0836 (3) | 0.0679 (10) | |
| C6A | 0.932 (2) | 0.3505 (5) | −0.0214 (16) | 0.088 (5) | 0.522 (17) |
| H6A | 0.8507 | 0.3582 | 0.0025 | 0.105* | 0.522 (17) |
| C6B | 0.957 (2) | 0.3373 (7) | 0.0188 (16) | 0.088 (5) | 0.478 (17) |
| H6B | 0.8912 | 0.3383 | 0.0641 | 0.105* | 0.478 (17) |
| C7A | 1.0415 (11) | 0.3915 (9) | 0.0058 (15) | 0.089 (4) | 0.522 (17) |
| H7A | 1.0331 | 0.4276 | 0.0425 | 0.107* | 0.522 (17) |
| C7B | 1.0744 (16) | 0.3748 (10) | 0.0514 (15) | 0.089 (4) | 0.478 (17) |
| H7B | 1.0927 | 0.3993 | 0.1237 | 0.107* | 0.478 (17) |
| C8 | 0.8192 (4) | 0.25372 (19) | −0.1142 (3) | 0.0698 (10) | |
| C9 | 0.6772 (4) | 0.27111 (17) | −0.0973 (3) | 0.0666 (9) | |
| C10 | 0.5902 (4) | 0.31364 (17) | −0.1618 (4) | 0.0702 (10) | |
| H10 | 0.5098 | 0.3228 | −0.1370 | 0.084* | |
| C11 | 0.6107 (4) | 0.34758 (16) | −0.2697 (4) | 0.0669 (9) | |
| C12 | 0.5815 (6) | 0.4061 (2) | −0.2782 (5) | 0.1029 (16) | |
| H12 | 0.5487 | 0.4239 | −0.2158 | 0.123* | |
| C13 | 0.5997 (7) | 0.4391 (2) | −0.3770 (6) | 0.127 (2) | |
| H13 | 0.5812 | 0.4792 | −0.3816 | 0.153* | |
| C14 | 0.6457 (6) | 0.4119 (2) | −0.4688 (4) | 0.0942 (14) | |
| C15 | 0.6751 (5) | 0.3547 (2) | −0.4645 (4) | 0.0861 (12) | |
| H15 | 0.7066 | 0.3373 | −0.5280 | 0.103* | |
| C16 | 0.6576 (5) | 0.32188 (17) | −0.3637 (4) | 0.0773 (11) | |
| H16 | 0.6776 | 0.2820 | −0.3592 | 0.093* | |
| C17 | 0.5859 (5) | 0.1628 (2) | −0.0386 (4) | 0.0824 (12) | |
| C18 | 0.6805 (8) | 0.1184 (3) | 0.0090 (6) | 0.132 (2) | |
| H18 | 0.7669 | 0.1254 | 0.0781 | 0.159* | |
| C23 | 0.4581 (5) | 0.1538 (3) | −0.1417 (5) | 0.1033 (16) | |
| H23 | 0.3927 | 0.1842 | −0.1762 | 0.124* | |
| O1 | 1.4436 (7) | 0.3984 (4) | 0.1553 (7) | 0.261 (4) | |
| O2A | 1.268 (4) | 0.4774 (8) | 0.071 (3) | 0.137 (6) | 0.522 (17) |
| O2B | 1.255 (5) | 0.4845 (8) | 0.021 (3) | 0.137 (6) | 0.478 (17) |
| O3 | 0.8339 (3) | 0.20504 (15) | −0.1523 (4) | 0.1011 (10) | |
| O4 | 0.7600 (3) | 0.22936 (15) | 0.1392 (3) | 0.0991 (10) | |
| O5 | 0.5023 (4) | 0.25992 (15) | 0.0377 (3) | 0.1033 (10) | |
| S1 | 1.31187 (15) | 0.42709 (8) | 0.01374 (16) | 0.1220 (6) | |
| S2 | 0.63094 (12) | 0.23274 (5) | 0.02559 (10) | 0.0801 (4) | |
| F | 0.6602 (4) | 0.44442 (14) | −0.5693 (3) | 0.1362 (12) | |
| C22 | 0.4298 (7) | 0.0953 (4) | −0.1942 (6) | 0.128 (2) | |
| H22 | 0.3440 | 0.0871 | −0.2630 | 0.154* | |
| C20 | 0.5310 (10) | 0.0515 (3) | −0.1415 (8) | 0.135 (2) | |
| C19 | 0.6521 (10) | 0.0637 (3) | −0.0419 (8) | 0.166 (3) | |
| H19 | 0.7192 | 0.0339 | −0.0063 | 0.199* | |
| C21 | 0.4865 (13) | −0.0082 (4) | −0.2075 (9) | 0.228 (5) | |
| H21A | 0.5557 | −0.0199 | −0.2486 | 0.342* | |
| H21B | 0.3907 | −0.0054 | −0.2725 | 0.342* | |
| H21C | 0.4852 | −0.0366 | −0.1426 | 0.342* |
| C1 | 0.067 (3) | 0.122 (3) | 0.112 (3) | −0.040 (2) | 0.059 (2) | −0.043 (3) |
| C2 | 0.060 (2) | 0.139 (4) | 0.075 (3) | −0.012 (2) | 0.032 (2) | −0.029 (2) |
| C3 | 0.062 (2) | 0.106 (3) | 0.086 (3) | 0.002 (2) | 0.041 (2) | −0.014 (2) |
| C4 | 0.068 (2) | 0.090 (3) | 0.083 (3) | 0.011 (2) | 0.037 (2) | −0.009 (2) |
| C5 | 0.056 (2) | 0.098 (3) | 0.0552 (19) | 0.0054 (19) | 0.0253 (16) | −0.0033 (18) |
| C6A | 0.060 (6) | 0.161 (7) | 0.052 (9) | −0.017 (5) | 0.031 (7) | −0.030 (7) |
| C6B | 0.060 (6) | 0.161 (7) | 0.052 (9) | −0.017 (5) | 0.031 (7) | −0.030 (7) |
| C7A | 0.064 (5) | 0.143 (11) | 0.062 (8) | −0.010 (5) | 0.024 (6) | −0.038 (7) |
| C7B | 0.064 (5) | 0.143 (11) | 0.062 (8) | −0.010 (5) | 0.024 (6) | −0.038 (7) |
| C8 | 0.071 (2) | 0.084 (3) | 0.060 (2) | 0.010 (2) | 0.0291 (18) | 0.0063 (18) |
| C9 | 0.057 (2) | 0.084 (2) | 0.062 (2) | 0.0006 (18) | 0.0245 (16) | 0.0043 (17) |
| C10 | 0.055 (2) | 0.086 (2) | 0.074 (2) | 0.0004 (18) | 0.0274 (17) | 0.0023 (19) |
| C11 | 0.055 (2) | 0.074 (2) | 0.073 (2) | −0.0010 (17) | 0.0243 (17) | 0.0036 (17) |
| C12 | 0.130 (4) | 0.087 (3) | 0.123 (4) | 0.028 (3) | 0.084 (3) | 0.020 (3) |
| C13 | 0.186 (6) | 0.079 (3) | 0.157 (5) | 0.030 (3) | 0.112 (5) | 0.030 (3) |
| C14 | 0.112 (4) | 0.091 (3) | 0.088 (3) | −0.005 (3) | 0.044 (3) | 0.020 (2) |
| C15 | 0.105 (3) | 0.090 (3) | 0.070 (2) | −0.006 (2) | 0.038 (2) | −0.005 (2) |
| C16 | 0.096 (3) | 0.072 (2) | 0.064 (2) | −0.003 (2) | 0.028 (2) | −0.0008 (17) |
| C17 | 0.079 (3) | 0.105 (3) | 0.069 (2) | −0.008 (2) | 0.032 (2) | 0.019 (2) |
| C18 | 0.146 (5) | 0.101 (4) | 0.124 (5) | 0.006 (4) | 0.012 (4) | 0.011 (3) |
| C23 | 0.082 (3) | 0.150 (5) | 0.082 (3) | −0.023 (3) | 0.033 (2) | 0.021 (3) |
| O1 | 0.138 (4) | 0.415 (12) | 0.189 (6) | −0.047 (6) | −0.001 (4) | −0.062 (7) |
| O2A | 0.118 (7) | 0.170 (5) | 0.147 (18) | −0.055 (4) | 0.076 (14) | −0.082 (7) |
| O2B | 0.118 (7) | 0.170 (5) | 0.147 (18) | −0.055 (4) | 0.076 (14) | −0.082 (7) |
| O3 | 0.095 (2) | 0.092 (2) | 0.133 (3) | 0.0088 (17) | 0.060 (2) | 0.0008 (19) |
| O4 | 0.094 (2) | 0.130 (3) | 0.0670 (18) | 0.0013 (18) | 0.0190 (15) | 0.0136 (16) |
| O5 | 0.101 (2) | 0.131 (3) | 0.102 (2) | 0.0228 (19) | 0.067 (2) | 0.0240 (18) |
| S1 | 0.0773 (8) | 0.1712 (15) | 0.1302 (12) | −0.0381 (8) | 0.0517 (8) | −0.0670 (10) |
| S2 | 0.0759 (7) | 0.1063 (9) | 0.0653 (6) | 0.0055 (5) | 0.0333 (5) | 0.0160 (5) |
| F | 0.190 (3) | 0.118 (2) | 0.125 (2) | −0.002 (2) | 0.086 (2) | 0.0390 (18) |
| C22 | 0.121 (5) | 0.187 (7) | 0.082 (3) | −0.064 (5) | 0.042 (3) | −0.007 (4) |
| C20 | 0.170 (7) | 0.125 (5) | 0.122 (5) | −0.025 (5) | 0.066 (5) | 0.013 (4) |
| C19 | 0.189 (8) | 0.121 (6) | 0.151 (6) | 0.002 (5) | 0.008 (6) | 0.005 (5) |
| C21 | 0.352 (15) | 0.160 (7) | 0.196 (9) | −0.102 (9) | 0.123 (10) | −0.057 (6) |
| C1—S1 | 1.402 (4) | C12—C13 | 1.368 (7) |
| C1—H1A | 0.9600 | C12—H12 | 0.9300 |
| C1—H1B | 0.9600 | C13—C14 | 1.369 (7) |
| C1—H1C | 0.9600 | C13—H13 | 0.9300 |
| C2—C3 | 1.368 (6) | C14—C15 | 1.336 (6) |
| C2—C7B | 1.410 (6) | C14—F | 1.363 (5) |
| C2—C7A | 1.411 (6) | C15—C16 | 1.380 (5) |
| C2—S1 | 1.761 (5) | C15—H15 | 0.9300 |
| C3—C4 | 1.369 (6) | C16—H16 | 0.9300 |
| C3—H3 | 0.9300 | C17—C18 | 1.350 (7) |
| C4—C5 | 1.381 (5) | C17—C23 | 1.375 (6) |
| C4—H4 | 0.9300 | C17—S2 | 1.738 (5) |
| C5—C6B | 1.399 (7) | C18—C19 | 1.357 (9) |
| C5—C6A | 1.399 (7) | C18—H18 | 0.9300 |
| C5—C8 | 1.483 (6) | C23—C22 | 1.443 (8) |
| C6A—C7A | 1.370 (7) | C23—H23 | 0.9300 |
| C6A—H6A | 0.9300 | O1—S1 | 1.758 (7) |
| C6B—C7B | 1.370 (7) | O2A—S1 | 1.435 (6) |
| C6B—H6B | 0.9300 | O2B—S1 | 1.435 (6) |
| C7A—H7A | 0.9300 | O4—S2 | 1.431 (3) |
| C7B—H7B | 0.9300 | O5—S2 | 1.438 (3) |
| C8—O3 | 1.211 (5) | C22—C20 | 1.383 (10) |
| C8—C9 | 1.503 (5) | C22—H22 | 0.9300 |
| C9—C10 | 1.322 (5) | C20—C19 | 1.329 (10) |
| C9—S2 | 1.772 (4) | C20—C21 | 1.532 (10) |
| C10—C11 | 1.469 (5) | C19—H19 | 0.9300 |
| C10—H10 | 0.9300 | C21—H21A | 0.9600 |
| C11—C16 | 1.377 (5) | C21—H21B | 0.9600 |
| C11—C12 | 1.364 (6) | C21—H21C | 0.9600 |
| S1—C1—H1A | 109.5 | C12—C13—H13 | 120.8 |
| S1—C1—H1B | 109.5 | C14—C13—H13 | 120.8 |
| H1A—C1—H1B | 109.5 | C15—C14—F | 118.9 (4) |
| S1—C1—H1C | 109.5 | C15—C14—C13 | 122.5 (4) |
| H1A—C1—H1C | 109.5 | F—C14—C13 | 118.6 (5) |
| H1B—C1—H1C | 109.5 | C14—C15—C16 | 118.6 (4) |
| C3—C2—C7B | 118.5 (10) | C14—C15—H15 | 120.7 |
| C3—C2—C7A | 120.2 (8) | C16—C15—H15 | 120.7 |
| C3—C2—S1 | 120.6 (3) | C11—C16—C15 | 120.7 (4) |
| C7B—C2—S1 | 119.4 (9) | C11—C16—H16 | 119.6 |
| C7A—C2—S1 | 117.6 (9) | C15—C16—H16 | 119.6 |
| C2—C3—C4 | 119.9 (4) | C18—C17—C23 | 120.5 (5) |
| C2—C3—H3 | 120.0 | C18—C17—S2 | 119.5 (4) |
| C4—C3—H3 | 120.0 | C23—C17—S2 | 119.9 (4) |
| C5—C4—C3 | 120.6 (4) | C17—C18—C19 | 121.3 (6) |
| C5—C4—H4 | 119.7 | C17—C18—H18 | 119.3 |
| C3—C4—H4 | 119.7 | C19—C18—H18 | 119.3 |
| C4—C5—C6B | 119.1 (9) | C17—C23—C22 | 117.3 (5) |
| C4—C5—C6A | 117.2 (9) | C17—C23—H23 | 121.3 |
| C4—C5—C8 | 119.8 (3) | C22—C23—H23 | 121.3 |
| C6B—C5—C8 | 119.8 (9) | C1—S1—O2B | 109.6 (12) |
| C6A—C5—C8 | 122.1 (8) | C1—S1—O2A | 128.1 (12) |
| C7A—C6A—C5 | 122.7 (16) | C1—S1—O1 | 107.3 (3) |
| C7A—C6A—H6A | 118.6 | O2B—S1—O1 | 118.3 (14) |
| C5—C6A—H6A | 118.6 | O2A—S1—O1 | 99.0 (12) |
| C7B—C6B—C5 | 119.0 (17) | C1—S1—C2 | 107.9 (2) |
| C7B—C6B—H6B | 120.5 | O2B—S1—C2 | 109.0 (18) |
| C5—C6B—H6B | 120.5 | O2A—S1—C2 | 107.7 (16) |
| C6A—C7A—C2 | 116.4 (17) | O1—S1—C2 | 104.3 (3) |
| C6A—C7A—H7A | 121.8 | O5—S2—O4 | 118.6 (2) |
| C2—C7A—H7A | 121.8 | O5—S2—C17 | 108.9 (2) |
| C6B—C7B—C2 | 120.0 (17) | O4—S2—C17 | 108.9 (2) |
| C6B—C7B—H7B | 120.0 | O5—S2—C9 | 107.52 (18) |
| C2—C7B—H7B | 120.0 | O4—S2—C9 | 107.61 (18) |
| O3—C8—C5 | 121.4 (4) | C17—S2—C9 | 104.35 (18) |
| O3—C8—C9 | 120.1 (4) | C20—C22—C23 | 119.6 (6) |
| C5—C8—C9 | 118.4 (3) | C20—C22—H22 | 120.2 |
| C10—C9—C8 | 125.3 (3) | C23—C22—H22 | 120.2 |
| C10—C9—S2 | 118.9 (3) | C19—C20—C22 | 119.6 (7) |
| C8—C9—S2 | 115.8 (3) | C19—C20—C21 | 126.6 (9) |
| C9—C10—C11 | 125.1 (3) | C22—C20—C21 | 113.7 (8) |
| C9—C10—H10 | 117.4 | C20—C19—C18 | 121.7 (8) |
| C11—C10—H10 | 117.4 | C20—C19—H19 | 119.2 |
| C16—C11—C12 | 118.7 (4) | C18—C19—H19 | 119.2 |
| C16—C11—C10 | 121.9 (3) | C20—C21—H21A | 109.5 |
| C12—C11—C10 | 119.4 (4) | C20—C21—H21B | 109.5 |
| C13—C12—C11 | 121.0 (4) | H21A—C21—H21B | 109.5 |
| C13—C12—H12 | 119.5 | C20—C21—H21C | 109.5 |
| C11—C12—H12 | 119.5 | H21A—C21—H21C | 109.5 |
| C12—C13—C14 | 118.5 (5) | H21B—C21—H21C | 109.5 |
| C7B—C2—C3—C4 | 13.9 (11) | F—C14—C15—C16 | −178.9 (4) |
| C7A—C2—C3—C4 | −15.3 (11) | C13—C14—C15—C16 | 0.3 (8) |
| S1—C2—C3—C4 | 179.8 (4) | C12—C11—C16—C15 | 0.2 (6) |
| C2—C3—C4—C5 | 0.6 (7) | C10—C11—C16—C15 | 179.6 (4) |
| C3—C4—C5—C6B | −12.5 (12) | C14—C15—C16—C11 | 0.1 (7) |
| C3—C4—C5—C6A | 11.7 (10) | C23—C17—C18—C19 | −0.7 (10) |
| C3—C4—C5—C8 | −178.9 (4) | S2—C17—C18—C19 | −177.4 (6) |
| C4—C5—C6A—C7A | −9.9 (17) | C18—C17—C23—C22 | 0.9 (7) |
| C6B—C5—C6A—C7A | 91 (5) | S2—C17—C23—C22 | 177.5 (3) |
| C8—C5—C6A—C7A | −179.1 (10) | C3—C2—S1—C1 | 23.0 (5) |
| C4—C5—C6B—C7B | 9(2) | C7B—C2—S1—C1 | −171.3 (10) |
| C6A—C5—C6B—C7B | −82 (4) | C7A—C2—S1—C1 | −142.3 (9) |
| C8—C5—C6B—C7B | 175.7 (12) | C3—C2—S1—O2B | 141.9 (12) |
| C5—C6A—C7A—C2 | −3.9 (18) | C7B—C2—S1—O2B | −52.4 (17) |
| C3—C2—C7A—C6A | 16.6 (15) | C7A—C2—S1—O2B | −23.4 (16) |
| C7B—C2—C7A—C6A | −77 (4) | C3—C2—S1—O2A | 164.5 (12) |
| S1—C2—C7A—C6A | −178.0 (9) | C7B—C2—S1—O2A | −29.7 (17) |
| C5—C6B—C7B—C2 | 5(2) | C7A—C2—S1—O2A | −0.8 (16) |
| C3—C2—C7B—C6B | −17.0 (19) | C3—C2—S1—O1 | −90.9 (5) |
| C7A—C2—C7B—C6B | 84 (3) | C7B—C2—S1—O1 | 74.9 (11) |
| S1—C2—C7B—C6B | 177.0 (12) | C7A—C2—S1—O1 | 103.8 (9) |
| C4—C5—C8—O3 | 20.9 (6) | C18—C17—S2—O5 | −139.9 (4) |
| C6B—C5—C8—O3 | −145.5 (11) | C23—C17—S2—O5 | 43.5 (4) |
| C6A—C5—C8—O3 | −170.3 (10) | C18—C17—S2—O4 | −9.1 (5) |
| C4—C5—C8—C9 | −159.0 (3) | C23—C17—S2—O4 | 174.2 (3) |
| C6B—C5—C8—C9 | 34.6 (12) | C18—C17—S2—C9 | 105.5 (4) |
| C6A—C5—C8—C9 | 9.9 (10) | C23—C17—S2—C9 | −71.1 (4) |
| O3—C8—C9—C10 | −118.1 (5) | C10—C9—S2—O5 | −3.8 (4) |
| C5—C8—C9—C10 | 61.7 (5) | C8—C9—S2—O5 | 173.3 (3) |
| O3—C8—C9—S2 | 65.0 (4) | C10—C9—S2—O4 | −132.6 (3) |
| C5—C8—C9—S2 | −115.1 (3) | C8—C9—S2—O4 | 44.4 (3) |
| C8—C9—C10—C11 | 6.0 (6) | C10—C9—S2—C17 | 111.8 (3) |
| S2—C9—C10—C11 | −177.3 (3) | C8—C9—S2—C17 | −71.1 (3) |
| C9—C10—C11—C16 | 39.3 (6) | C17—C23—C22—C20 | −1.0 (7) |
| C9—C10—C11—C12 | −141.2 (5) | C23—C22—C20—C19 | 1.0 (10) |
| C16—C11—C12—C13 | −0.7 (8) | C23—C22—C20—C21 | −179.7 (5) |
| C10—C11—C12—C13 | 179.8 (5) | C22—C20—C19—C18 | −0.8 (12) |
| C11—C12—C13—C14 | 1.1 (10) | C21—C20—C19—C18 | 180.0 (8) |
| C12—C13—C14—C15 | −0.8 (9) | C17—C18—C19—C20 | 0.6 (13) |
| C12—C13—C14—F | 178.3 (5) |
| H··· | ||||
| C19—H19···Fi | 0.93 | 2.37 | 3.274 (8) | 167 |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| C19—H19⋯Fi | 0.93 | 2.37 | 3.274 (8) | 167 |
Symmetry code: (i) .