#------------------------------------------------------------------------------ #$Date: 2016-03-22 11:26:18 +0200 (Tue, 22 Mar 2016) $ #$Revision: 178899 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/11/28/4112808.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_4112808 loop_ _publ_author_name 'Michael T. Kirchner' 'Roland Boese' 'W. Edward Billups' 'Lewis R. Norman' _publ_section_title ; Gas Hydrate Single-Crystal Structure Analyses ; _journal_name_full 'Journal of the American Chemical Society' _journal_page_first 9407 _journal_page_last 9412 _journal_paper_doi 10.1021/ja049247c _journal_volume 126 _journal_year 2004 _chemical_formula_moiety '8(C3 H8) 14.9(C H4) 136(H2 O)' _chemical_formula_sum 'C38.9 H395.6 O136' _chemical_formula_weight 3059.60 _chemical_name_systematic ; clathrate hydrate of propane, methane and ethanole ; _space_group_IT_number 227 _symmetry_cell_setting cubic _symmetry_space_group_name_Hall '-F 4vw 2vw 3' _symmetry_space_group_name_H-M 'F d -3 m :2' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 1 _cell_length_a 17.1925(10) _cell_length_b 17.1925(10) _cell_length_c 17.1925(10) _cell_measurement_reflns_used 2045 _cell_measurement_temperature 163(2) _cell_measurement_theta_max 27.886 _cell_measurement_theta_min 3.351 _cell_volume 5081.8(5) _computing_cell_refinement 'Bruker SMART' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SAINT' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 163(2) _diffrn_detector_area_resol_mean 512 _diffrn_measured_fraction_theta_full 1.000 _diffrn_measured_fraction_theta_max 1.000 _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0240 _diffrn_reflns_av_sigmaI/netI 0.0132 _diffrn_reflns_limit_h_max 21 _diffrn_reflns_limit_h_min -19 _diffrn_reflns_limit_k_max 22 _diffrn_reflns_limit_k_min -22 _diffrn_reflns_limit_l_max 19 _diffrn_reflns_limit_l_min -22 _diffrn_reflns_number 5236 _diffrn_reflns_theta_full 28.24 _diffrn_reflns_theta_max 28.24 _diffrn_reflns_theta_min 2.05 _exptl_absorpt_coefficient_mu 0.101 _exptl_absorpt_correction_T_max 1.00 _exptl_absorpt_correction_T_min 0.94 _exptl_absorpt_correction_type empirical _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.000 _exptl_crystal_description cylindric _exptl_crystal_F_000 1728 _exptl_crystal_size_max 0.3 _refine_diff_density_max 0.257 _refine_diff_density_min -0.116 _refine_diff_density_rms 0.040 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.074 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 40 _refine_ls_number_reflns 343 _refine_ls_number_restraints 2 _refine_ls_restrained_S_all 1.071 _refine_ls_R_factor_all 0.0394 _refine_ls_R_factor_gt 0.0362 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0554P)^2^+2.2093P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0889 _refine_ls_wR_factor_ref 0.0931 _reflns_number_gt 308 _reflns_number_total 343 _reflns_threshold_expression >2sigma(I) _cod_data_source_file ja049247csi20040211_052141.cif _cod_data_source_block wk8xmk21 _cod_original_sg_symbol_H-M 'F d -3 m' _cod_database_code 4112808 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+3/4, -y+1/4, z+1/2' '-x+1/4, y+1/2, -z+3/4' 'x+1/2, -y+3/4, -z+1/4' 'z, x, y' 'z+1/2, -x+3/4, -y+1/4' '-z+3/4, -x+1/4, y+1/2' '-z+1/4, x+1/2, -y+3/4' 'y, z, x' '-y+1/4, z+1/2, -x+3/4' 'y+1/2, -z+3/4, -x+1/4' '-y+3/4, -z+1/4, x+1/2' 'y+3/4, x+1/4, -z+1/2' '-y, -x, -z' 'y+1/4, -x+1/2, z+3/4' '-y+1/2, x+3/4, z+1/4' 'x+3/4, z+1/4, -y+1/2' '-x+1/2, z+3/4, y+1/4' '-x, -z, -y' 'x+1/4, -z+1/2, y+3/4' 'z+3/4, y+1/4, -x+1/2' 'z+1/4, -y+1/2, x+3/4' '-z+1/2, y+3/4, x+1/4' '-z, -y, -x' 'x, y+1/2, z+1/2' '-x+3/4, -y+3/4, z+1' '-x+1/4, y+1, -z+5/4' 'x+1/2, -y+5/4, -z+3/4' 'z, x+1/2, y+1/2' 'z+1/2, -x+5/4, -y+3/4' '-z+3/4, -x+3/4, y+1' '-z+1/4, x+1, -y+5/4' 'y, z+1/2, x+1/2' '-y+1/4, z+1, -x+5/4' 'y+1/2, -z+5/4, -x+3/4' '-y+3/4, -z+3/4, x+1' 'y+3/4, x+3/4, -z+1' '-y, -x+1/2, -z+1/2' 'y+1/4, -x+1, z+5/4' '-y+1/2, x+5/4, z+3/4' 'x+3/4, z+3/4, -y+1' '-x+1/2, z+5/4, y+3/4' '-x, -z+1/2, -y+1/2' 'x+1/4, -z+1, y+5/4' 'z+3/4, y+3/4, -x+1' 'z+1/4, -y+1, x+5/4' '-z+1/2, y+5/4, x+3/4' '-z, -y+1/2, -x+1/2' 'x+1/2, y, z+1/2' '-x+5/4, -y+1/4, z+1' '-x+3/4, y+1/2, -z+5/4' 'x+1, -y+3/4, -z+3/4' 'z+1/2, x, y+1/2' 'z+1, -x+3/4, -y+3/4' '-z+5/4, -x+1/4, y+1' '-z+3/4, x+1/2, -y+5/4' 'y+1/2, z, x+1/2' '-y+3/4, z+1/2, -x+5/4' 'y+1, -z+3/4, -x+3/4' '-y+5/4, -z+1/4, x+1' 'y+5/4, x+1/4, -z+1' '-y+1/2, -x, -z+1/2' 'y+3/4, -x+1/2, z+5/4' '-y+1, x+3/4, z+3/4' 'x+5/4, z+1/4, -y+1' '-x+1, z+3/4, y+3/4' '-x+1/2, -z, -y+1/2' 'x+3/4, -z+1/2, y+5/4' 'z+5/4, y+1/4, -x+1' 'z+3/4, -y+1/2, x+5/4' '-z+1, y+3/4, x+3/4' '-z+1/2, -y, -x+1/2' 'x+1/2, y+1/2, z' '-x+5/4, -y+3/4, z+1/2' '-x+3/4, y+1, -z+3/4' 'x+1, -y+5/4, -z+1/4' 'z+1/2, x+1/2, y' 'z+1, -x+5/4, -y+1/4' '-z+5/4, -x+3/4, y+1/2' '-z+3/4, x+1, -y+3/4' 'y+1/2, z+1/2, x' '-y+3/4, z+1, -x+3/4' 'y+1, -z+5/4, -x+1/4' '-y+5/4, -z+3/4, x+1/2' 'y+5/4, x+3/4, -z+1/2' '-y+1/2, -x+1/2, -z' 'y+3/4, -x+1, z+3/4' '-y+1, x+5/4, z+1/4' 'x+5/4, z+3/4, -y+1/2' '-x+1, z+5/4, y+1/4' '-x+1/2, -z+1/2, -y' 'x+3/4, -z+1, y+3/4' 'z+5/4, y+3/4, -x+1/2' 'z+3/4, -y+1, x+3/4' '-z+1, y+5/4, x+1/4' '-z+1/2, -y+1/2, -x' '-x, -y, -z' 'x-3/4, y-1/4, -z-1/2' 'x-1/4, -y-1/2, z-3/4' '-x-1/2, y-3/4, z-1/4' '-z, -x, -y' '-z-1/2, x-3/4, y-1/4' 'z-3/4, x-1/4, -y-1/2' 'z-1/4, -x-1/2, y-3/4' '-y, -z, -x' 'y-1/4, -z-1/2, x-3/4' '-y-1/2, z-3/4, x-1/4' 'y-3/4, z-1/4, -x-1/2' '-y-3/4, -x-1/4, z-1/2' 'y, x, z' '-y-1/4, x-1/2, -z-3/4' 'y-1/2, -x-3/4, -z-1/4' '-x-3/4, -z-1/4, y-1/2' 'x-1/2, -z-3/4, -y-1/4' 'x, z, y' '-x-1/4, z-1/2, -y-3/4' '-z-3/4, -y-1/4, x-1/2' '-z-1/4, y-1/2, -x-3/4' 'z-1/2, -y-3/4, -x-1/4' 'z, y, x' '-x, -y+1/2, -z+1/2' 'x-3/4, y+1/4, -z' 'x-1/4, -y, z-1/4' '-x-1/2, y-1/4, z+1/4' '-z, -x+1/2, -y+1/2' '-z-1/2, x-1/4, y+1/4' 'z-3/4, x+1/4, -y' 'z-1/4, -x, y-1/4' '-y, -z+1/2, -x+1/2' 'y-1/4, -z, x-1/4' '-y-1/2, z-1/4, x+1/4' 'y-3/4, z+1/4, -x' '-y-3/4, -x+1/4, z' 'y, x+1/2, z+1/2' '-y-1/4, x, -z-1/4' 'y-1/2, -x-1/4, -z+1/4' '-x-3/4, -z+1/4, y' 'x-1/2, -z-1/4, -y+1/4' 'x, z+1/2, y+1/2' '-x-1/4, z, -y-1/4' '-z-3/4, -y+1/4, x' '-z-1/4, y, -x-1/4' 'z-1/2, -y-1/4, -x+1/4' 'z, y+1/2, x+1/2' '-x+1/2, -y, -z+1/2' 'x-1/4, y-1/4, -z' 'x+1/4, -y-1/2, z-1/4' '-x, y-3/4, z+1/4' '-z+1/2, -x, -y+1/2' '-z, x-3/4, y+1/4' 'z-1/4, x-1/4, -y' 'z+1/4, -x-1/2, y-1/4' '-y+1/2, -z, -x+1/2' 'y+1/4, -z-1/2, x-1/4' '-y, z-3/4, x+1/4' 'y-1/4, z-1/4, -x' '-y-1/4, -x-1/4, z' 'y+1/2, x, z+1/2' '-y+1/4, x-1/2, -z-1/4' 'y, -x-3/4, -z+1/4' '-x-1/4, -z-1/4, y' 'x, -z-3/4, -y+1/4' 'x+1/2, z, y+1/2' '-x+1/4, z-1/2, -y-1/4' '-z-1/4, -y-1/4, x' '-z+1/4, y-1/2, -x-1/4' 'z, -y-3/4, -x+1/4' 'z+1/2, y, x+1/2' '-x+1/2, -y+1/2, -z' 'x-1/4, y+1/4, -z-1/2' 'x+1/4, -y, z-3/4' '-x, y-1/4, z-1/4' '-z+1/2, -x+1/2, -y' '-z, x-1/4, y-1/4' 'z-1/4, x+1/4, -y-1/2' 'z+1/4, -x, y-3/4' '-y+1/2, -z+1/2, -x' 'y+1/4, -z, x-3/4' '-y, z-1/4, x-1/4' 'y-1/4, z+1/4, -x-1/2' '-y-1/4, -x+1/4, z-1/2' 'y+1/2, x+1/2, z' '-y+1/4, x, -z-3/4' 'y, -x-1/4, -z-1/4' '-x-1/4, -z+1/4, y-1/2' 'x, -z-1/4, -y-1/4' 'x+1/2, z+1/2, y' '-x+1/4, z, -y-3/4' '-z-1/4, -y+1/4, x-1/2' '-z+1/4, y, -x-3/4' 'z, -y-1/4, -x-1/4' 'z+1/2, y+1/2, x' 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_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags O1 O 0.3750 0.3750 0.3750 0.0359(6) Uani 1 24 d S H1 H 0.3486(17) 0.3486(17) 0.3486(17) 0.054 Uiso 0.50 6 d SP O2 O 0.28272(5) 0.28272(5) 0.28272(5) 0.0370(4) Uani 1 6 d S H2 H 0.3171(19) 0.3171(19) 0.3171(19) 0.056 Uiso 0.50 6 d SP H3 H 0.2919(12) 0.2919(12) 0.2409(19) 0.056 Uiso 0.50 2 d SP O3 O 0.31760(4) 0.31760(4) 0.12957(5) 0.0366(3) Uani 1 2 d S H4 H 0.3064(12) 0.3064(12) 0.179(2) 0.055 Uiso 0.50 2 d SP H5 H 0.3339(13) 0.2815(14) 0.1081(13) 0.055 Uiso 0.50 1 d P H6 H 0.3514(12) 0.3514(12) 0.1293(18) 0.055 Uiso 0.50 2 d SP C1 C 0.1681(10) 0.1681(10) 0.1681(10) 0.31(4) Uani 0.62(9) 6 d SP C2 C 0.0797(7) 0.0797(7) 0.0797(7) 0.27(5) Uani 0.44(9) 6 d SP C3 C 0.1250 0.1250 0.1250 0.18(2) Uani 0.86(12) 24 d SP C4 C 0.2500 0.2500 0.5000 0.0544(15) Uani 0.925(18) 12 d SPD H11 H 0.2168(15) 0.2168(15) 0.5332(15) 0.050 Uiso 0.44(6) 6 d SPD H12 H 0.1973(19) 0.2326(19) 0.480(2) 0.050 Uiso 0.260(10) 1 d PD loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 O1 0.0359(6) 0.0359(6) 0.0359(6) 0.000 0.000 0.000 O2 0.0370(4) 0.0370(4) 0.0370(4) 0.0011(3) 0.0011(3) 0.0011(3) O3 0.0361(4) 0.0361(4) 0.0376(5) -0.0006(2) -0.0006(2) 0.0029(3) C1 0.31(4) 0.31(4) 0.31(4) -0.07(2) -0.07(2) -0.07(2) C2 0.27(5) 0.27(5) 0.27(5) -0.09(2) -0.09(2) -0.09(2) C3 0.18(2) 0.18(2) 0.18(2) 0.000 0.000 0.000 C4 0.0544(15) 0.0544(15) 0.0544(15) 0.0042(9) 0.0042(9) -0.0042(9) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle H2 O2 H3 108(2) H4 O3 H5 111.0(19) H4 O3 H6 108(3) H5 O3 H6 108(2) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 H1 0.79(5) O2 H2 1.02(6) O2 H3 0.75(3) O3 H4 0.89(4) O3 H5 0.78(2) O3 H6 0.82(3)