(20<i>R</i>)-Methyl-3-oxochola-1,4,22-trien-24-oate
Linker, Manuela; Schürmann, Markus; Preut, Hans; Kreiser, Wolfgang; Acta Crystallographica Section E 57 (2001) o576–o577; doi:10.1107/S1600536801008777

data_2200488
_publ_section_title
;
 (20<i>R</i>)-Methyl-3-oxochola-1,4,22-trien-24-oate
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o576
_journal_page_last               o577
_journal_paper_doi               10.1107/S1600536801008777
_journal_volume                  57
_journal_year                    2001
_chemical_formula_iupac          'C25 H34 O3'
_chemical_formula_moiety         'C25 H34 O3'
_chemical_formula_sum            'C25 H34 O3'
_chemical_formula_weight         382.52
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.7621(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.4164(2)
_cell_length_b                   7.5425(2)
_cell_length_c                   14.4209(3)
_cell_measurement_reflns_used    9365
_cell_measurement_temperature    293.0(10)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.97
_cell_volume                     1078.98(4)
_computing_cell_refinement
;
DENZO and SCALEPACK (Otwinowski & Minor, 1997)
;
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction
;
DENZO and SCALEPACK
;
_computing_molecular_graphics    'SHELTXL-Plus (Sheldrick, 1991)'
_computing_publication_material  'SHELXL97 and PARST95 (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293.0(10)
_diffrn_detector_area_resol_mean '10 vertical, 18 horizontal'
_diffrn_measured_fraction_theta_full .972
_diffrn_measured_fraction_theta_max .972
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method
;
316 frames via \w-rotation (\D\w = 1\%) with three sets at
different \k-angles and two times 30 s per frame
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .032
_diffrn_reflns_av_sigmaI/netI    .0543
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9365
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.97
_diffrn_standards_decay_%        0
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    .075
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          .5
_exptl_crystal_size_mid          .5
_exptl_crystal_size_min          .25
_refine_diff_density_max         .128
_refine_diff_density_min         -.126
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         2593
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          .1014
_refine_ls_R_factor_gt           .0470
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0619P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1139
_reflns_number_gt                1545
_reflns_number_total             2593
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na6083.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not determined' was changed to
'?' - the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2200488
_cod_database_fobs_code          2200488