Designed synthesis of “L” shaped 17-halo-aryl-ethynyl steroids
Ochoa, María Eugenia; Aguilar-Granda, Andrés; Ramirez-Montes, Pedro I.; Barba, Victor; López, Yliana; Santillan, Rosa; Farfán, Norberto; CrystEngComm 18 (2016) 6830–; doi:10.1039/C6CE01056C

data_7225996
_publ_section_title
;
 Designed synthesis of &#x201C;L&#x201D; shaped 17-halo-aryl-ethynyl
 steroids
;
_journal_issue                   36
_journal_name_full               CrystEngComm
_journal_page_first              6830
_journal_paper_doi               10.1039/C6CE01056C
_journal_volume                  18
_journal_year                    2016
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C28  H35  O2  Br1'
_chemical_formula_sum            'C28 H28 Br O2'
_chemical_formula_weight         476.41
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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     difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2016-02-17T16:19:22-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2016-03-10 deposited with the CCDC.
2016-07-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7512(16)
_cell_length_b                   14.839(3)
_cell_length_c                   20.627(4)
_cell_measurement_reflns_used    600
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      14
_cell_measurement_theta_min      1
_cell_measurement_wavelength     0.71073
_cell_volume                     2372.5(8)
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.0807462
_diffrn_orient_matrix_UB_12      0.0492961
_diffrn_orient_matrix_UB_13      -0.0131144
_diffrn_orient_matrix_UB_21      0.0051075
_diffrn_orient_matrix_UB_22      0.0213355
_diffrn_orient_matrix_UB_23      0.0459465
_diffrn_orient_matrix_UB_31      0.1004895
_diffrn_orient_matrix_UB_32      -0.0406952
_diffrn_orient_matrix_UB_33      0.0082025
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1082
_diffrn_reflns_av_unetI/netI     0.1344
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.974
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            16831
_diffrn_reflns_point_group_measured_fraction_full 0.975
_diffrn_reflns_point_group_measured_fraction_max 0.949
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         27.478
_diffrn_reflns_theta_min         4.041
_exptl_absorpt_coefficient_mu    1.754
_exptl_absorpt_correction_T_max  0.664
_exptl_absorpt_correction_T_min  0.551
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        [c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             988
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.793
_refine_diff_density_min         -0.423
_refine_diff_density_rms         0.109
_refine_ls_abs_structure_details
;
 Flack x determined using 751 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.064(15)
_refine_ls_extinction_coef       0.060(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     326
_refine_ls_number_reflns         5160
_refine_ls_number_restraints     127
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.2076
_refine_ls_R_factor_gt           0.124
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1864P)^2^+4.4160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3187
_refine_ls_wR_factor_ref         0.3645
_reflns_Friedel_coverage         0.715
_reflns_Friedel_fraction_full    0.965
_reflns_Friedel_fraction_max     0.916
_reflns_number_gt                2730
_reflns_number_total             5160
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01056c2.cif
_cod_data_source_block           rsyl03
_cod_depositor_comments
'Adding full bibliography for 7225988--7225998.cif.'
_cod_database_code               7225996
_shelx_estimated_absorpt_t_min   0.639
_shelx_estimated_absorpt_t_max   0.743