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_4508539
_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 H50 F4 O4'
_chemical_formula_sum            'C48 H50 F4 O4'
_chemical_formula_weight         766.88
_chemical_name_common            'compound 5'
_chemical_name_systematic
; 
3,6-bis[3-methoxy-estra-1,3,5-(10)-trien-17a-ethynyl]
-1,2,4,5-tetrafluorobenzene 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            8
_cell_length_a                   17.3857(19)
_cell_length_b                   19.968(2)
_cell_length_c                   22.353(2)
_cell_measurement_reflns_used    9655
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.20
_cell_measurement_theta_min      3.61
_cell_volume                     7760.0(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0573
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            104732
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         29.31
_diffrn_reflns_theta_min         3.56
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9925
_exptl_absorpt_correction_T_min  0.9102
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Bruker)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             3248
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.264
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1023
_refine_ls_number_reflns         11383
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0559
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+1.5388P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.1001
_reflns_number_gt                9410
_reflns_number_total             11383
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg4012873_si_009.cif
_cod_data_source_block           gg512lts
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        7760.0(15)
_cod_original_sg_symbol_H-M      'P21 21 21'
_cod_database_code               4508539