data_2100229 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2005 _journal_volume 61 _journal_page_first 46 _journal_page_last 57 _chemical_name_common quinol:piperazine _chemical_formula_moiety 'C4 H10 N2, C6 H6 O2' _chemical_formula_sum 'C10 H16 N2 O2' _chemical_formula_weight 196.25 _symmetry_cell_setting 'Triclinic twin' _symmetry_space_group_name_H-M 'P -1' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' _cell_length_a 5.7060(15) _cell_length_b 6.7599(19) _cell_length_c 7.0771(18) _cell_angle_alpha 100.269(4) _cell_angle_beta 112.446(3) _cell_angle_gamma 90.163(3) _cell_volume 247.50(11) _cell_formula_units_Z 1 _cell_measurement_temperature 150(2) _exptl_crystal_density_diffrn 1.317 _diffrn_ambient_temperature 150(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol O1A 0.2196(2) 0.64145(17) 0.94863(19) 0.0256(3) Uani d . 1 . . O C1A 0.1153(3) 0.8206(2) 0.9723(2) 0.0181(3) Uani d . 1 . . C C2A 0.1463(3) 0.9795(2) 0.8811(2) 0.0188(3) Uani d . 1 . . C H2A 0.2467 0.9665 0.7997 0.023 Uiso calc R 1 . . H C3A 0.0313(3) 1.1566(2) 0.9084(2) 0.0183(3) Uani d . 1 . . C H3A 0.0531 1.2639 0.8448 0.022 Uiso calc R 1 . . H N1S 0.4720(3) 0.5682(2) 0.6971(2) 0.0204(3) Uani d . 1 . . N C2S 0.5026(3) 0.7117(2) 0.5742(2) 0.0207(3) Uani d . 1 . . C H2S1 0.5974 0.8369 0.6697 0.025 Uiso calc R 1 . . H H2S2 0.3326 0.7468 0.4856 0.025 Uiso calc R 1 . . H C3S 0.6429(3) 0.6288(2) 0.4364(3) 0.0234(4) Uani d . 1 . . C H3S1 0.6433 0.7261 0.3473 0.028 Uiso calc R 1 . . H H3S2 0.8219 0.6147 0.5256 0.028 Uiso calc R 1 . . H H1S 0.619(4) 0.548(3) 0.789(3) 0.028(5) Uiso d . 1 . . H H1A 0.306(5) 0.637(4) 0.868(4) 0.048(7) Uiso d . 1 . . H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1A 0.0375(7) 0.0196(6) 0.0312(7) 0.0116(5) 0.0236(6) 0.0103(5) C1A 0.0205(7) 0.0164(7) 0.0171(7) 0.0032(5) 0.0073(6) 0.0026(5) C2A 0.0204(7) 0.0202(7) 0.0182(7) 0.0019(6) 0.0101(6) 0.0036(6) C3A 0.0215(7) 0.0170(7) 0.0173(7) 0.0009(5) 0.0077(6) 0.0048(5) N1S 0.0236(7) 0.0203(6) 0.0179(6) 0.0041(5) 0.0094(5) 0.0023(5) C2S 0.0245(8) 0.0188(7) 0.0196(7) 0.0036(6) 0.0100(6) 0.0021(6) C3S 0.0281(8) 0.0220(8) 0.0242(8) 0.0007(6) 0.0156(7) 0.0021(6) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag O1A C1A . 1.3626(18) ? O1A H1A . 0.88(3) ? C1A C3A 2_577 1.390(2) ? C1A C2A . 1.391(2) ? C2A C3A . 1.386(2) ? C2A H2A . 0.9500 ? C3A C1A 2_577 1.390(2) ? C3A H3A . 0.9500 ? N1S C2S . 1.465(2) ? N1S C3S 2_666 1.473(2) ? N1S H1S . 0.87(2) ? C2S C3S . 1.520(2) ? C2S H2S1 . 0.9900 ? C2S H2S2 . 0.9900 ? C3S N1S 2_666 1.473(2) ? C3S H3S1 . 0.9900 ? C3S H3S2 . 0.9900 ?