; Chemistry of Materials  (2004) –; doi:10.1021/cm035379d

data_4000392
_journal_name_full               'Chemistry of Materials'
_journal_paper_doi               10.1021/cm035379d
_journal_year                    2004
_chemical_formula_sum            'C44 H34 N4 Si'
_chemical_formula_weight         646.84
_chemical_name_common            lj28a
_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
_cell_angle_alpha                61.103(4)
_cell_angle_beta                 68.788(4)
_cell_angle_gamma                74.871(5)
_cell_formula_units_Z            2
_cell_length_a                   11.681(3)
_cell_length_b                   13.303(3)
_cell_length_c                   13.344(3)
_cell_measurement_reflns_used    ?
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      ?
_cell_measurement_theta_min      ?
_cell_volume                     1682.9(7)
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean ?
_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  0.0537
_diffrn_reflns_av_sigmaI/netI    0.2980
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12187
_diffrn_reflns_theta_max         28.51
_diffrn_reflns_theta_min         1.76
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.760
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   ?
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.716
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     442
_refine_ls_number_reflns         7751
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.716
_refine_ls_R_factor_all          0.2172
_refine_ls_R_factor_gt           0.0604
_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^)+(0.0179P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0715
_refine_ls_wR_factor_ref         0.0914
_reflns_number_gt                2223
_reflns_number_total             7751
_reflns_threshold_expression     >2sigma(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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      P-1
_cod_database_code               4000392