data_2100192 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2005 _journal_volume 61 _journal_page_first 200 _journal_page_last 206 loop_ _publ_author_name 'Stride, J.A.' _chemical_name_common d-hexamethylbenzene _chemical_formula_moiety ' C6(CD3)6' _chemical_formula_sum 'C12 D18' _chemical_formula_weight 180.38 _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1' loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 +x,+y,+z -1 -x,-y,-z _cell_length_a 6.2055(15) _cell_length_b 6.212(2) _cell_length_c 6.2214(11) _cell_angle_alpha 90.00(2) _cell_angle_beta 90.06(3) _cell_angle_gamma 90.195(18) _cell_volume 239.810(15) _cell_formula_units_Z 1 _diffrn_ambient_temperature 110 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_type_symbol C1 0.43326 0.38278 0.68151 0.01853 Uiso 1.0 C C2 0.61682 0.32033 0.56359 0.01905 Uiso 1.0 C C3 0.68292 0.43816 0.38074 0.0093 Uiso 1.0 C C4 0.35637 0.25071 0.87303 0.0123 Uiso 1.0 C C5 0.75184 0.13106 0.64003 0.01516 Uiso 1.0 C C6 0.87607 0.35584 0.24889 0.021(4) Uiso 1.0 C D7 0.186 0.26093 0.89557 0.06924 Uiso 1.0 D D8 0.42472 0.30481 1.02228 0.04921 Uiso 1.0 D D9 0.398 0.0886 0.85071 0.03311 Uiso 1.0 D D10 0.74229 0.10025 0.8093 0.0455 Uiso 1.0 D D11 0.9196 0.15669 0.60815 0.05384 Uiso 1.0 D D12 0.711 -0.00779 0.54984 0.04543 Uiso 1.0 D D13 1.0264 0.4244 0.3059 0.08483 Uiso 1.0 D D14 0.85621 0.40271 0.08078 0.04048 Uiso 1.0 D D15 0.88495 0.17802 0.25039 0.02789 Uiso 1.0 D loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag C1 C2 . 1_555 1.4110(4) N C1 C3 . -1_666 1.3827(4) N C1 C4 . 1_555 1.5228(4) N C2 C1 . 1_555 1.4110(4) N C2 C3 . 1_555 1.4132(4) N C2 C5 . 1_555 1.5219(4) N C3 C1 . -1_666 1.3827(4) N C3 C2 . 1_555 1.4132(4) N C3 C6 . 1_555 1.5418(4) N C4 C1 . 1_555 1.5228(4) N C4 D7 . 1_555 1.0687(3) N C4 D8 . 1_555 1.0740(3) N C4 D9 . 1_555 1.0497(3) N C5 C2 . 1_555 1.5219(4) N C5 D10 . 1_555 1.0720(2) N C5 D11 . 1_555 1.0713(3) N C5 D12 . 1_555 1.0589(3) N C6 C3 . 1_555 1.5418(4) N C6 D13 . 1_555 1.0835(3) N C6 D14 . 1_555 1.0926(2) N C6 D15 . 1_555 1.1062(4) N D7 C4 . 1_555 1.0687(3) N D7 D8 . 1_555 1.6986(5) N D7 D9 . 1_555 1.7218(4) N D8 C4 . 1_555 1.0740(3) N D8 D7 . 1_555 1.6986(5) N D8 D9 . 1_555 1.7230(5) N D9 C4 . 1_555 1.0497(3) N D9 D7 . 1_555 1.7218(4) N D9 D8 . 1_555 1.7230(5) N D10 C5 . 1_555 1.0720(2) N D10 D11 . 1_555 1.7029(5) N D10 D12 . 1_555 1.7585(4) N D11 C5 . 1_555 1.0713(3) N D11 D10 . 1_555 1.7029(5) N D11 D12 . 1_555 1.6856(4) N D12 C5 . 1_555 1.0589(3) N D12 D10 . 1_555 1.7585(4) N D12 D11 . 1_555 1.6856(4) N D13 C6 . 1_555 1.0835(3) N D13 D14 . 1_555 1.7581(5) N D13 D15 . 1_555 1.7950(5) N D14 C6 . 1_555 1.0926(2) N D14 D13 . 1_555 1.7581(5) N D14 D15 . 1_555 1.7591(5) N D15 C6 . 1_555 1.1062(4) N D15 D13 . 1_555 1.7950(5) N D15 D14 . 1_555 1.7591(5) N