Benzoselenadiazole Containing Donor–Acceptor–Donor Small Molecules: Nonbonding Interactions, Packing Patterns, and Optoelectronic Properties
Pati, Palas Baran; Zade, Sanjio S.; Crystal Growth & Design 14 (2014) 1695–; doi:10.1021/cg401830f

data_4510353
_publ_section_title
;
 Benzoselenadiazole Containing Donor--Acceptor--Donor Small Molecules:
 Nonbonding Interactions, Packing Patterns, and Optoelectronic Properties
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1695
_journal_paper_doi               10.1021/cg401830f
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C18 H12 N2 Se'
_chemical_formula_sum            'C18 H12 N2 Se'
_chemical_formula_weight         335.26
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 97.791(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.877(3)
_cell_length_b                   19.574(9)
_cell_length_c                   12.586(6)
_cell_measurement_reflns_used    1343
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.30
_cell_measurement_theta_min      3.27
_cell_volume                     1434.5(12)
_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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0797
_diffrn_reflns_av_sigmaI/netI    0.0958
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10000
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    2.611
_exptl_absorpt_correction_T_max  0.925
_exptl_absorpt_correction_T_min  0.358
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; BRUKER, 2008'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.552
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       flake
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.624
_refine_diff_density_min         -0.532
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2502
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.1298
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0805P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1670
_reflns_number_gt                1268
_reflns_number_total             2502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg401830f_si_001.cif
_cod_data_source_block           BSeB
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed
to 'constr' according to
/usr/data/users/saulius/automatic-downloads/current/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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4510353