Synthesis, linear and nonlinear optical properties of phosphonato-substituted bithiophenes derived from 2,2'-biphenol.
Freeman, Jason L.; Zhao, Qun; Zhang, Yuanli; Wang, Jianwei; Lawson, Christopher M.; Gray, Gary M.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 14281–14297; doi:10.1039/c3dt51499d

data_7023580
_publ_section_title
;
 Synthesis, linear and nonlinear optical properties of
 phosphonato-substituted bithiophenes derived from 2,2'-biphenol.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14281
_journal_page_last               14297
_journal_paper_doi               10.1039/c3dt51499d
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C32 H20 O4 P2 S2 Se2'
_chemical_formula_weight         752.46
_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                 95.46(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.1023(14)
_cell_length_b                   12.956(3)
_cell_length_c                   15.763(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1443.9(5)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0623
_diffrn_reflns_av_sigmaI/netI    0.1009
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            3502
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    2.855
_exptl_absorpt_correction_T_max  0.3286
_exptl_absorpt_correction_T_min  0.1774
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_density_diffrn    1.731
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.343
_refine_diff_density_min         -0.755
_refine_diff_density_rms         0.145
_refine_ls_extinction_coef       0.0080(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2536
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1298
_refine_ls_R_factor_gt           0.0629
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1021P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1583
_refine_ls_wR_factor_ref         0.1846
_reflns_number_gt                1526
_reflns_number_total             2536
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51499d.txt
_cod_data_source_block           jlf3355
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7023580