Functionalized Tetrathienoanthracene: Enhancing π–π Interactions Through Expansion of the π-Conjugated Framework
Leitch, Alicea A.; Mansour, Aya; Stobo, Kimberly A.; Korobkov, Ilia; Brusso, Jaclyn L.; Crystal Growth & Design 12 (2012) 1416–; doi:10.1021/cg201521w

data_4505539
_publ_section_title
;
 Functionalized Tetrathienoanthracene: Enhancing \p--\p Interactions
 Through Expansion of the \p-Conjugated Framework
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1416
_journal_paper_doi               10.1021/cg201521w
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C22 H6 Br4 S4'
_chemical_formula_weight         718.15
_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                 106.906(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.9674(6)
_cell_length_b                   3.9096(2)
_cell_length_c                   19.9845(9)
_cell_measurement_reflns_used    5242
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.12
_cell_measurement_theta_min      3.05
_cell_volume                     1044.13(9)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0306
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            10037
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    8.119
_exptl_absorpt_correction_T_max  0.7372
_exptl_absorpt_correction_T_min  0.2682
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.284
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.729
_refine_diff_density_min         -0.610
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2536
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0743P)^2^+2.4042P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1270
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                2095
_reflns_number_total             2536
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg201521w_si_002.cif
_cod_data_source_block           jb001
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1044.13(8)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4505539