Silicon-Based Blue Phosphorescence Host Materials: Structure and Photophysical Property Relationship on Methyl/Phenylsilanes Adorned with 4-(N-Carbazolyl)phenyl Groups and Optimization of Their Electroluminescence by Peripheral 4-(N-Carbazolyl)phenyl Numbers
Han, Won-Sik; Son, Ho-Jin; Wee, Kyung-Ryang; Min, Kyoung-Tae; Kwon, Soonnam; Suh, Il-Hwan; Choi, Seung-Hoon; Jung, Dong Hyun; Kang, Sang Ook; The Journal of Physical Chemistry C 113 (2009) 19686–; doi:10.1021/jp907104j

data_1516432
_publ_section_title
;
 Silicon-Based Blue Phosphorescence Host Materials: Structure and
 Photophysical Property Relationship on Methyl/Phenylsilanes Adorned with
 4-(N-Carbazolyl)phenyl Groups and Optimization of Their
 Electroluminescence by Peripheral 4-(N-Carbazolyl)phenyl Numbers
;
_journal_issue                   45
_journal_name_full               'The Journal of Physical Chemistry C'
_journal_page_first              19686
_journal_paper_doi               10.1021/jp907104j
_journal_volume                  113
_journal_year                    2009
_chemical_formula_sum            'C48 H34 N2 Si'
_chemical_formula_weight         666.59
_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                 101.527(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   17.632(4)
_cell_length_b                   20.248(4)
_cell_length_c                   30.810(6)
_cell_measurement_reflns_used    4802
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      2.14
_cell_measurement_theta_min      2.20
_cell_volume                     10778(4)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1999)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      253(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_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  0.0907
_diffrn_reflns_av_sigmaI/netI    0.1442
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            46899
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         1.35
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.9748
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4199
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.923
_refine_diff_density_min         -0.729
_refine_diff_density_rms         0.287
_refine_ls_extinction_coef       0.0221(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     691
_refine_ls_number_reflns         13433
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.979
_refine_ls_R_factor_all          0.2057
_refine_ls_R_factor_gt           0.1165
_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^)+(0.1760P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2415
_refine_ls_wR_factor_ref         0.3219
_reflns_number_gt                5990
_reflns_number_total             13433
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp907104j_si_002.cif
_cod_data_source_block           3b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1516432