Photoluminescence in m-carborane‒anthracene triads: a combined experimental and computational study
Chaari, Mahdi; Kelemen, Zsolt; Planas, José Giner; Teixidor, Francesc; Choquesillo-Lazarte, Duane; Ben Salah, Abdelhamid; Viñas, Clara; Núñez, Rosario; Journal of Materials Chemistry C 6 (2018) 11336–; doi:10.1039/C8TC03741H

data_7237491
_publ_section_title
;
 Photoluminescence in m-carborane--anthracene triads: a combined
 experimental and computational study
;
_journal_issue                   42
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              11336
_journal_paper_doi               10.1039/C8TC03741H
_journal_volume                  6
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C32 H31 B10 I'
_chemical_formula_sum            'C32 H31 B10 I'
_chemical_formula_weight         650.57
_space_group_crystal_system      orthorhombic
_space_group_IT_number           26
_space_group_name_Hall           'P 2c -2'
_space_group_name_H-M_alt        'P m c 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2017-12-06
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-07-03 deposited with the CCDC.
2018-10-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.808(3)
_cell_length_b                   9.1786(13)
_cell_length_c                   18.193(3)
_cell_measurement_reflns_used    9953
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.360
_cell_measurement_theta_min      2.469
_cell_volume                     3140.7(8)
_computing_cell_refinement       'Bruker Apex3, 2016'
_computing_data_collection       'Bruker Apex3, 2016'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0750
_diffrn_reflns_av_unetI/netI     0.0418
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            60749
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.505
_diffrn_reflns_theta_min         2.166
_diffrn_source                   'high brilliance microfocus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.042
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5103
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0896 before and 0.0671 after correction. The Ratio of minimum to maximum transmission is 0.6844. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_description       block
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.899
_refine_diff_density_min         -0.774
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details
;
 Flack x determined using 2527 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.002(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         7417
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0291
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0378P)^2^+0.0282P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0690
_refine_ls_wR_factor_ref         0.0724
_reflns_Friedel_coverage         0.933
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                6152
_reflns_number_total             7417
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8tc03741h2.cif
_cod_data_source_block           cm5
_cod_original_cell_volume        3140.6(8)
_cod_database_code               7237491
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.894
_shelx_estimated_absorpt_t_min   0.885
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C22(H22A,H22B)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7), C8(H8), C10(H10), C13(H13), C14(H14), C15(H15),
 C16(H16), C25(H25), C26(H26), C27(H27), C28(H28), C30(H30), C33(H33), C34(H34),
  C35(H35), C36(H36)
2.c Boron cage BH refined with riding coordinates:
 B1(H1), B2(H2), B3(H3), B4(H4), B6(H6A), B7(H7A), B11(H11), B12(H12),
 B13(H13A), B14(H14A), B16(H16A), B17(H17)
;
_olex2_submission_special_instructions 'No special instructions were received'