Matzger, Adam J.; Price, Christopher P.; Journal of Organic Chemistry 70 (2005) 1–6; doi:10.1021/jo048853n

data_4020023
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1
_journal_page_last               6
_journal_paper_doi               10.1021/jo048853n
_journal_volume                  70
_journal_year                    2005
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C40 H26 O2'
_chemical_formula_sum            'C40 H26 O2'
_chemical_formula_weight         538.61
_chemical_name_common            VAPOL
_space_group_IT_number           96
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4nw 2abw'
_symmetry_space_group_name_H-M   'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2629(4)
_cell_length_b                   8.2629(4)
_cell_length_c                   41.448(3)
_cell_measurement_reflns_used    6742
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      25.24
_cell_measurement_theta_min      2.51
_cell_volume                     2829.9(3)
_diffrn_ambient_temperature      153(2)
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0775
_diffrn_reflns_av_sigmaI/netI    0.0499
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       48
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            20054
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  ?
_exptl_absorpt_correction_T_min  ?
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   ?
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       octahedral
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(3)
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.237
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2429
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.237
_refine_ls_R_factor_all          0.0739
_refine_ls_R_factor_gt           0.0650
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0396P)^2^+0.6225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1150
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                2208
_reflns_number_total             2429
_reflns_threshold_expression     >2sigma(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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      P4(3)2(1)2
_cod_database_code               4020023