Chloro–formyl steroids as precursors for hybrid heterosteroids: synthesis, spectroscopic characterization, and molecular and supramolecular structures
Almagro, Luis; Nogueras, Manuel; Suárez, Margarita; Cobo, Justo; Glidewell, Christopher; Acta Crystallographica Section C 74 (2018) –; doi:10.1107/S2053229618015887

data_2021358
_publ_section_title
;
 Chloro--formyl steroids as precursors for hybrid heterosteroids:
 synthesis, spectroscopic characterization, and molecular and
 supramolecular structures
;
_journal_coeditor_code           YF3157
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229618015887
_journal_volume                  74
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_iupac          'C26 H37 Cl O4'
_chemical_formula_moiety         'C26 H37 Cl O4'
_chemical_formula_sum            'C26 H37 Cl O4'
_chemical_formula_weight         449.01
_chemical_name_systematic
'Methyl (<i>R</i>)-4-[(5<i>S</i>,8<i>R</i>,9<i>S</i>,10<i>R</i>,13<i>R</i>,14<i>S</i>,17<i>R</i>)-3-chloro-4-formyl-10,13-dimethyl-12-oxo-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1<i>H</i>-cyclopenta[<i>a</i>]phenanthren-17-yl]pentanoate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0444(3)
_cell_length_b                   10.8756(6)
_cell_length_c                   30.4910(14)
_cell_measurement_reflns_used    5558
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.897
_cell_measurement_theta_min      2.300
_cell_volume                     2335.98(19)
_computing_cell_refinement
;
SAINT (Bruker, 2016)
;
_computing_data_collection
;
APEX3 (Bruker, 2016)
;
_computing_data_reduction
;
SAINT (Bruker, 2016)
;
_computing_molecular_graphics
;
PLATON (Spek, 2009)
;
_computing_publication_material
;
SHELXL2014 (Sheldrick, 2015) and PLATON (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SIR92 (Altomare <i>et al.</i>,  1994)
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0737
_diffrn_reflns_av_unetI/netI     0.0682
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            23212
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.897
_diffrn_reflns_theta_min         2.300
_diffrn_source
'INCOATEC high brilliance microfocus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.194
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.929
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2016)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.277
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.271
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 1650 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons <i>et al.</i>,  2013)
;
_refine_ls_abs_structure_Flack   0.05(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         5558
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0711
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+0.4052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0838
_refine_ls_wR_factor_ref         0.0902
_reflns_number_gt                4513
_reflns_number_total             5558
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            yf3157sup1.cif
_cod_data_source_block           IV
_cod_database_code               2021358
_cod_database_fobs_code          2021358
_shelx_estimated_absorpt_t_min   0.948
_shelx_estimated_absorpt_t_max   0.977
_shelx_hkl_checksum              25965
_shelx_res_checksum              61109
_shelxl_version_number           2.014