Conformational Polymorphism and Isomorphism of Molecular Rotors with Fluoroaromatic Rotators and Mestranol Stators
Rodríguez-Molina, Braulio; Ochoa, Ma. Eugenia; Romero, Margarita; Khan, Saeed I.; Farfán, Norberto; Santillan, Rosa; Garcia-Garibay, Miguel A.; Crystal Growth & Design 13 (2013) 5107–; doi:10.1021/cg4012873

data_4508536
_publ_section_title
;
 Conformational Polymorphism and Isomorphism of Molecular Rotors with
 Fluoroaromatic Rotators and Mestranol Stators
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5107
_journal_paper_doi               10.1021/cg4012873
_journal_volume                  13
_journal_year                    2013
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C48 H52 F2 O4, 2(C3 H7 N O)'
_chemical_formula_sum            'C54 H66 F2 N2 O6'
_chemical_formula_weight         877.08
_chemical_name_systematic
; 
 2,5-bis[3-methoxy-estra-1,3,5-(10)-trien-17a-ethynyl]-1,4-difluorobenzene 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 97.773(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.898(2)
_cell_length_b                   13.128(2)
_cell_length_c                   28.309(5)
_cell_measurement_reflns_used    9952
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      3.49
_cell_volume                     4749.4(13)
_computing_cell_refinement       'SAINT V8.32B (Bruker AXS Inc., 2013'
_computing_data_collection       'Bruker Apex2, 2013'
_computing_data_reduction        'SAINT V8.32B (Bruker AXS Inc., 2013'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Apex2 CCD'
_diffrn_measurement_method       'Omega and Phi Scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0610
_diffrn_reflns_av_unetI/netI     0.0864
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            61185
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         28.382
_diffrn_reflns_theta_min         3.484
_diffrn_source                   'Sealed X-Ray Tube'
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.66
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.227
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.751
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details
; 
 Flack x determined using 5301 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   -0.3(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1199
_refine_ls_number_reflns         23505
_refine_ls_number_restraints     100
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1158
_refine_ls_R_factor_gt           0.0665
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1003P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1609
_refine_ls_wR_factor_ref         0.1889
_reflns_Friedel_coverage         0.907
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.981
_reflns_number_gt                14903
_reflns_number_total             23505
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cg4012873_si_006.cif
_cod_data_source_block           gg1328s
_cod_original_cell_volume        4749.3(14)
_cod_database_code               4508536
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.990
_shelxl_version_number           2013-3
_shelx_res_checksum              55157
_shelx_hkl_checksum              57878