Experimental and Theoretical Investigation for the Level of Conjugation in Carbazole-Based Precursors and Their Mono-, Di-, and Polynuclear Pt(II) Complexes.
Al-Balushi, Rayya A; Haque, Ashanul; Jayapal, Maharaja; Al-Suti, Mohammed K; Husband, John; Khan, Muhammad S.; Koentjoro, Olivia F.; Molloy, Kieran C.; Skelton, Jonathan M.; Raithby, Paul R.; Inorganic chemistry 55 (2016) 6465–6480; doi:10.1021/acs.inorgchem.6b00523

data_4347721
_publ_section_title
;
 Experimental and Theoretical Investigation for the Level of Conjugation
 in Carbazole-Based Precursors and Their Mono-, Di-, and Polynuclear
 Pt(II) Complexes.
;
_journal_issue                   13
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6465
_journal_page_last               6480
_journal_paper_doi               10.1021/acs.inorgchem.6b00523
_journal_volume                  55
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H25 N Si2'
_chemical_formula_sum            'C22 H25 N Si2'
_chemical_formula_weight         359.61
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-03-16
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.12 svn.r2899 for OlexSys, GUI svn.r4796)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.3292(2)
_cell_length_b                   7.7163(3)
_cell_length_c                   43.8439(17)
_cell_measurement_reflns_used    35204
_cell_measurement_temperature    150
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.79
_cell_volume                     2141.25(14)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS-1986 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Enraf Nonius Kappa Diffractometer'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0745
_diffrn_reflns_av_unetI/netI     0.0373
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       54
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            35204
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.79
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.170
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.872
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.116
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.608
_refine_diff_density_min         -0.387
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.135
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4375
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.135
_refine_ls_R_factor_all          0.0736
_refine_ls_R_factor_gt           0.0674
_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^)+(0.0397P)^2^+3.4399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1546
_reflns_number_gt                3959
_reflns_number_total             4375
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic6b00523_si_001.cif
_cod_data_source_block           210
_cod_database_code               4347721
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C3(H3), C4(H4), C5(H5), C6(H6), C8(H8)
2.b Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C23(H23A,H23B,
 H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C)
;