Benzo-thia-fused [n]thienoacenequinodimethanes with small to moderate diradical characters: the role of pro-aromaticity versus anti-aromaticity
Shi, Xueliang; Quintero, Estefanía; Lee, Sangsu; Jing, Linzhi; Herng, Tun Seng; Zheng, Bin; Huang, Kuo-Wei; López Navarrete, Juan T.; Ding, Jun; Kim, Dongho; Casado, Juan; Chi, Chunyan; Chem. Sci. 7 (2016) 3036–; doi:10.1039/C5SC04706D

data_1542297
_publ_section_title
;
 Benzo-thia-fused [n]thienoacenequinodimethanes with small to moderate
 diradical characters: the role of pro-aromaticity versus anti-aromaticity
;
_journal_issue                   5
_journal_name_full               'Chem. Sci.'
_journal_page_first              3036
_journal_paper_doi               10.1039/C5SC04706D
_journal_volume                  7
_journal_year                    2016
_chemical_formula_sum            'C54 H68 S4 Si2'
_chemical_formula_weight         901.50
_chemical_name_systematic        BDTh-TIPS
_chemical_properties_physical
'Air-sensitive, Oxygen-sensitive, Light-sensitive, Photo-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_block_doi                 10.5517/cc1jn1mv
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-08-18 deposited with the CCDC.
2016-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.3960(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9436(2)
_cell_length_b                   21.6735(6)
_cell_length_c                   33.9795(8)
_cell_measurement_reflns_used    9973
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.43
_cell_measurement_theta_min      2.42
_cell_volume                     5098.6(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0495
_diffrn_reflns_av_unetI/netI     0.0453
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            25307
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        66.500
_diffrn_reflns_theta_max         66.593
_diffrn_reflns_theta_min         2.420
_diffrn_source                   'Sealed Microfocusing Source'
_exptl_absorpt_coefficient_mu    2.410
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6226
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2012)'
_exptl_crystal_colour            Dark_Green
_exptl_crystal_density_diffrn    1.174
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1936
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_size_max          0.291
_exptl_crystal_size_mid          0.069
_exptl_crystal_size_min          0.023
_refine_diff_density_max         0.547
_refine_diff_density_min         -0.495
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     802
_refine_ls_number_reflns         8924
_refine_ls_number_restraints     372
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0680
_refine_ls_R_factor_gt           0.0495
_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^)+(0.0683P)^2^+3.6066P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1206
_refine_ls_wR_factor_ref         0.1327
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6962
_reflns_number_total             8924
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5sc04706d2.cif
_cod_data_source_block           F294
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_crystal_density_meas' value 'Not Measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1542294--1542297.cif.
;
_cod_database_code               1542297
_shelxl_version_number           2014/6
_shelx_res_checksum              48436
_shelx_hkl_checksum              56204