Formation of racemic crystals of transition metal complexes by grinding 1 : 1 mixtures of enantiomeric crystals.
Nakamura, Asao; Sato, Tomohiro; Kuroda, Reiko; Chemical communications (Cambridge, England)  (2004) 2858–2859; doi:10.1039/b409006c

data_7102729
_publ_section_title
;
 Formation of racemic crystals of transition metal complexes by
 grinding 1 : 1 mixtures of enantiomeric crystals.
;
_journal_issue                   24
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2858
_journal_page_last               2859
_journal_paper_doi               10.1039/b409006c
_journal_year                    2004
_chemical_formula_sum            'C36 H24 F12 N6 Os P2'
_chemical_formula_weight         1020.75
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.993(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   36.943(4)
_cell_length_b                   16.1178(15)
_cell_length_c                   12.1037(11)
_cell_measurement_reflns_used    8093
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.94
_cell_measurement_theta_min      1.38
_cell_volume                     7074.7(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '\w 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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0330
_diffrn_reflns_limit_h_max       48
_diffrn_reflns_limit_h_min       -48
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21362
_diffrn_reflns_theta_full        27.94
_diffrn_reflns_theta_max         27.94
_diffrn_reflns_theta_min         1.38
_exptl_absorpt_coefficient_mu    3.798
_exptl_absorpt_correction_T_max  0.5172
_exptl_absorpt_correction_T_min  0.5172
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.917
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3968
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.459
_refine_diff_density_min         -0.528
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     516
_refine_ls_number_reflns         8093
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0385
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0371P)^2^+11.9397P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0764
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                6898
_reflns_number_total             8093
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b409006c.txt
_cod_data_source_block           compound_7
_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 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7102729