Hyuma Masu; Masaki Sakai; Keiki Kishikawa; Makoto Yamamoto; Kentaro Yamaguchi; Shigeo Kohmoto; Journal of Organic Chemistry 70 (2005) 1423–1431; doi:10.1021/jo048233m

data_4020069
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1423
_journal_page_last               1431
_journal_paper_doi               10.1021/jo048233m
_journal_volume                  70
_journal_year                    2005
_chemical_absolute_configuration rm
_chemical_formula_sum            'C52 H42 N2 O4.5'
_chemical_formula_weight         766.88
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 96.767(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.550(3)
_cell_length_b                   14.449(2)
_cell_length_c                   14.925(2)
_cell_measurement_reflns_used    1584
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.2505
_cell_measurement_theta_min      2.3065
_cell_volume                     4186.7(11)
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measurement_device_type  'Bruker Smart1000 CCD'
_diffrn_measurement_method       ?
_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  0.0358
_diffrn_reflns_av_sigmaI/netI    0.1150
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10206
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.37
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9847
_exptl_absorpt_correction_T_min  0.9697
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1616
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(2)
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     531
_refine_ls_number_reflns         7910
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.1289
_refine_ls_R_factor_gt           0.0908
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1770P)^2^+1.6814P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2600
_refine_ls_wR_factor_ref         0.2954
_reflns_number_gt                5317
_reflns_number_total             7910
_reflns_threshold_expression     >2sigma(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      C2
_cod_original_formula_sum        'C52 H42 N2 O4.50'
_cod_database_code               4020069