Synthesis of donor-acceptor molecules based on isoxazolones for investigation of their nonlinear optical properties
Di Jiang; Zheng Xue; Yongjun Li; Huibiao Liu; Wensheng Yang; Journal of Materials Chemistry C 1 (2013) 5694–5700; doi:10.1039/C3TC31228C

data_7233505
_publ_section_title
;
 Synthesis of donor-acceptor molecules based on isoxazolones for
 investigation of their nonlinear optical properties
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              5694
_journal_page_last               5700
_journal_paper_doi               10.1039/C3TC31228C
_journal_volume                  1
_journal_year                    2013
_chemical_formula_moiety         'C18 H16 N2 O2'
_chemical_formula_sum            'C18 H16 N2 O2'
_chemical_formula_weight         292.33
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 119.587(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.092(13)
_cell_length_b                   6.521(3)
_cell_length_c                   12.149(7)
_cell_measurement_reflns_used    2651
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.92
_cell_volume                     1453.1(14)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'Olex2 ver 1.1'
_computing_publication_material  'SHELX97 (Sheldrick, 2008)'
_computing_structure_refinement  'Olex2 ver 1.1'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0495
_diffrn_reflns_av_sigmaI/netI    0.0375
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6159
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.32
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.2185
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            26.49
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       1.86
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.190
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         2101
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0556
_refine_ls_R_factor_gt           0.0539
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0648P)^2^+1.0151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1341
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                2033
_reflns_number_total             2101
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000001.cif
_cod_data_source_block           PCOD1000001
_cod_original_cell_volume        1453.2(14)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7233505