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_7225988
_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_sum            'C26 H27 Br O2'
_chemical_formula_weight         451.38
_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   mixed
_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             2016-02-17T15:58:14-00:00
_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                   7.29840(10)
_cell_length_b                   16.7188(3)
_cell_length_c                   20.5514(3)
_cell_measurement_reflns_used    20760
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_measurement_wavelength     0.71073
_cell_volume                     2507.69(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.99
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.090099
_diffrn_orient_matrix_UB_12      0.015993
_diffrn_orient_matrix_UB_13      -0.034272
_diffrn_orient_matrix_UB_21      0.051965
_diffrn_orient_matrix_UB_22      0.041289
_diffrn_orient_matrix_UB_23      0.029981
_diffrn_orient_matrix_UB_31      0.089192
_diffrn_orient_matrix_UB_32      -0.040212
_diffrn_orient_matrix_UB_33      0.017153
_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  0.097
_diffrn_reflns_av_unetI/netI     0.0523
_diffrn_reflns_Laue_measured_fraction_full 0.99
_diffrn_reflns_Laue_measured_fraction_max 0.99
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            5694
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.425
_diffrn_reflns_theta_min         3.706
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.656
_exptl_absorpt_correction_T_max  0.6755
_exptl_absorpt_correction_T_min  0.4711
_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    1.196
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
;
_refine_diff_density_max         1.086
_refine_diff_density_min         -1.325
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details
;
 Flack x determined using 1821 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.006(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     270
_refine_ls_number_reflns         5694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0668
_refine_ls_R_factor_gt           0.0535
_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^)+(0.0800P)^2^+1.5054P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1376
_refine_ls_wR_factor_ref         0.1455
_reflns_Friedel_coverage         0.763
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                4883
_reflns_number_total             5694
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01056c2.cif
_cod_data_source_block           san750
_cod_depositor_comments
'Adding full bibliography for 7225988--7225998.cif.'
_cod_database_code               7225988