A Combined Experimental and Theoretical Study of Conformational Preferences of Molecular Semiconductors
Coughlin, Jessica E.; Zhugayevych, Andriy; Bakus, Ronald C.; van der Poll, Thomas S.; Welch, Gregory C.; Teat, Simon J.; Bazan, Guillermo C.; Tretiak, Sergei; The Journal of Physical Chemistry C 118 (2014) 15610–; doi:10.1021/jp506172a

data_1517092
_publ_section_title
;
 A Combined Experimental and Theoretical Study of Conformational
 Preferences of Molecular Semiconductors
;
_journal_issue                   29
_journal_name_full               'The Journal of Physical Chemistry C'
_journal_page_first              15610
_journal_paper_doi               10.1021/jp506172a
_journal_volume                  118
_journal_year                    2014
_chemical_formula_sum            'C42 H44 N6 S6 Si'
_chemical_formula_weight         853.28
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 107.018(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.817(4)
_cell_length_b                   7.9805(17)
_cell_length_c                   28.301(6)
_cell_measurement_temperature    100(2)
_cell_volume                     4063.8(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scan'
_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  0.0655
_diffrn_reflns_av_sigmaI/netI    0.0802
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            19599
_diffrn_reflns_theta_full        24.48
_diffrn_reflns_theta_max         24.48
_diffrn_reflns_theta_min         1.16
_exptl_absorpt_coefficient_mu    0.407
_exptl_absorpt_correction_T_max  0.712
_exptl_absorpt_correction_T_min  0.472
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.833
_refine_diff_density_min         -0.448
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.664
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     500
_refine_ls_number_reflns         6724
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.700
_refine_ls_R_factor_all          0.1370
_refine_ls_R_factor_gt           0.0841
_refine_ls_shift/su_max          0.100
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.0100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1942
_refine_ls_wR_factor_ref         0.2111
_reflns_number_gt                4167
_reflns_number_total             6724
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp506172a_si_003.cif
_cod_data_source_block           g02252011_0m
_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/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 

 Adding full bibliography for 1517090--1517095.cif.

The following automatic conversions were performed:

'_symmetry_cell_setting' tag value 'monoclinc' was replaced with
'monoclinic' value as specified in the replacement file
'/home/robertas/cod-tools/perl-scripts/inputs/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1517092