; Chemistry of Materials  (2003) –; doi:10.1021/cm021715z

data_4000260
_journal_name_full               'Chemistry of Materials'
_journal_paper_doi               10.1021/cm021715z
_journal_year                    2003
_chemical_formula_sum            'C44 H30 Si'
_chemical_formula_weight         586.77
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 119.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.792(2)
_cell_length_b                   30.856(7)
_cell_length_c                   11.130(3)
_cell_measurement_reflns_used    ?
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      ?
_cell_measurement_theta_min      ?
_cell_volume                     3241.5(12)
_diffrn_ambient_temperature      293(2)
_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  0.0534
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            17359
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.63
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Fluorescent
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.15
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.983
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         6342
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.983
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0483
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1128
_refine_ls_wR_factor_ref         0.1185
_reflns_number_gt                4756
_reflns_number_total             6342
_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.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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      P2(1)/c
_cod_database_code               4000260