Generation of a co-crystal phase with novel coloristic properties via solid state grinding procedures
Kuroda, Reiko; Imai, Yoshitane; Tajima, Nobuo; Chemical Communications  (2002) 2848–; doi:10.1039/b207417f

data_7114431
_publ_section_title
;
 Generation of a co-crystal phase with novel coloristic properties via
 solid state grinding procedures
;
_journal_issue                   23
_journal_name_full               'Chemical Communications'
_journal_page_first              2848
_journal_paper_doi               10.1039/b207417f
_journal_year                    2002
_chemical_formula_sum            'C26 H18 O4'
_chemical_formula_weight         394.40
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                69.792(2)
_cell_angle_beta                 66.635(2)
_cell_angle_gamma                71.762(2)
_cell_formula_units_Z            6
_cell_length_a                   14.4794(18)
_cell_length_b                   15.6712(18)
_cell_length_c                   15.7247(19)
_cell_measurement_reflns_used    23185
_cell_measurement_temperature    133
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      1.41
_cell_volume                     3009.1(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0364
_diffrn_reflns_av_sigmaI/netI    0.1492
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            23185
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.863039
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1236
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.23
_refine_diff_density_max         1.243
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.802
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     817
_refine_ls_number_reflns         14710
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.802
_refine_ls_R_factor_all          0.1404
_refine_ls_R_factor_gt           0.0538
_refine_ls_shift/su_max          0.029
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0631P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1208
_refine_ls_wR_factor_ref         0.1525
_reflns_number_gt                6020
_reflns_number_total             14710
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b207417f.txt
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7114431