#------------------------------------------------------------------------------ #$Date: 2009-11-16 03:43:51 +0200 (Mon, 16 Nov 2009) $ #$Revision: 853 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/7100087.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_7100087 _journal_name_full 'Chemical Communications' _journal_year 2005 _publ_section_title ; A binary hydrogen bonding system based on homochiral recognition: Crystal structures and hydrogen bonding networks of meso-(R,S)-bis(trifluorolactate)s ; _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _[local]_cod_cif_authors_sg_H-M 'P 21/c' loop_ _publ_author_name 'Satoshi Takahashi' 'Toshimasa Katagiri' 'Kenji Uneyama' _chemical_formula_sum 'C10 H12 F6 O6 ' _chemical_formula_moiety 'C10 H12 F6 O6 ' _chemical_formula_weight 342.19 _chemical_melting_point 366 _chemical_name_common 'Tetramethylene-(R,S)-(+-)-bis(3,3,3-trifluorolactate)' _chemical_absolute_configuration syn _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,1/2-z -x,-y,-z x,1/2-y,1/2+z _cell_length_a 7.1113(8) _cell_length_b 5.0864(3) _cell_length_c 18.142(2) _cell_angle_alpha 90 _cell_angle_beta 98.398(2) _cell_angle_gamma 90 _cell_volume 649.17(10) _cell_formula_units_Z 2 _cell_measurement_temperature 120(1) _exptl_crystal_density_diffrn 1.750 _diffrn_ambient_temperature 120(1) loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group F(1) F 1.0887(2) -0.0349(3) 0.38816(7) 0.0388(4) Uani 1.00 d . . . F(2) F 0.8255(2) -0.0445(3) 0.43242(7) 0.0385(4) Uani 1.00 d . . . F(3) F 0.9837(2) 0.3172(3) 0.43392(7) 0.0344(3) Uani 1.00 d . . . O(1) O 0.9589(2) 0.2678(3) 0.27327(8) 0.0323(4) Uani 1.00 d . . . O(2) O 0.6642(2) 0.5826(3) 0.28369(7) 0.0283(4) Uani 1.00 d . . . O(3) O 0.5753(2) 0.3286(3) 0.37443(7) 0.0259(4) Uani 1.00 d . . . C(1) C 0.9302(3) 0.1023(4) 0.3936(1) 0.0254(5) Uani 1.00 d . . . C(2) C 0.8263(3) 0.1736(3) 0.3169(1) 0.0227(5) Uani 1.00 d . . . C(3) C 0.6790(3) 0.3879(4) 0.32228(10) 0.0215(4) Uani 1.00 d . . . C(4) C 0.4355(3) 0.5208(5) 0.3925(1) 0.0302(5) Uani 1.00 d . . . C(5) C 0.4108(3) 0.4700(5) 0.4726(1) 0.0318(6) Uani 1.00 d . . . H(1) H 1.018(5) 0.134(7) 0.254(2) 0.056(8) Uiso 1.00 d . . . H(2) H 0.766(4) 0.020(5) 0.297(1) 0.035(6) Uiso 1.00 d . . . H(3) H 0.489(4) 0.696(5) 0.385(1) 0.038(7) Uiso 1.00 d . . . H(4) H 0.313(5) 0.480(5) 0.361(2) 0.050(8) Uiso 1.00 d . . . H(5) H 0.305(4) 0.602(5) 0.483(1) 0.035(6) Uiso 1.00 d . . . H(6) H 0.370(4) 0.292(5) 0.478(2) 0.048(8) Uiso 1.00 d . . . 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 F(1) 0.0436(8) 0.0445(7) 0.0292(7) 0.0162(6) 0.0089(6) 0.0011(5) F(2) 0.0457(8) 0.0459(7) 0.0247(6) -0.0044(6) 0.0077(6) 0.0179(5) F(3) 0.0289(7) 0.0439(7) 0.0296(6) -0.0026(6) 0.0019(5) -0.0153(5) O(1) 0.052(1) 0.0225(6) 0.0289(8) 0.0065(7) 0.0280(7) 0.0049(6) O(2) 0.0430(9) 0.0208(6) 0.0236(7) 0.0004(6) 0.0135(6) 0.0029(5) O(3) 0.0282(8) 0.0322(7) 0.0189(7) -0.0026(6) 0.0092(6) 0.0039(5) C(1) 0.030(1) 0.0277(9) 0.0197(9) -0.0001(9) 0.0080(8) -0.0015(8) C(2) 0.038(1) 0.0168(8) 0.0155(8) -0.0036(8) 0.0094(8) 0.0001(7) C(3) 0.031(1) 0.0210(8) 0.0133(8) -0.0073(8) 0.0055(7) -0.0022(7) C(4) 0.023(1) 0.049(1) 0.0200(9) 0.0015(10) 0.0050(8) -0.0001(9) C(5) 0.020(1) 0.057(1) 0.0194(10) -0.006(1) 0.0054(8) -0.0010(9) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_publ_flag F(1) C(1) 1.342(2) . . no F(2) C(1) 1.327(2) . . no F(3) C(1) 1.339(2) . . no O(1) C(2) 1.401(2) . . no O(1) H(1) 0.90(4) . . no O(2) C(3) 1.208(2) . . no O(3) C(3) 1.317(2) . . no O(3) C(4) 1.465(3) . . no C(1) C(2) 1.521(3) . . no C(2) C(3) 1.525(3) . . no C(2) H(2) 0.94(3) . . no C(4) C(5) 1.511(3) . . no C(4) H(3) 0.99(3) . . no C(4) H(4) 0.99(3) . . no C(5) C(5) 1.525(4) . 3_666 no C(5) H(5) 1.05(3) . . no C(5) H(6) 0.96(3) . . no