Thermally Stable Imines as New Potential Nonlinear Optical Materials
Nesterov, Volodymyr V.; Antipin, Mikhail Yu.; Nesterov, Vladimir N.; Penn, Benjamin G.; Frazier, Donald O.; Timofeeva, Tatiana V.; Crystal Growth & Design 4 (2004) 521–; doi:10.1021/cg034068c

data_4505260
_publ_section_title
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 Thermally Stable Imines as New Potential Nonlinear Optical Materials
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_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              521
_journal_paper_doi               10.1021/cg034068c
_journal_volume                  4
_journal_year                    2004
_chemical_formula_moiety         'C12 H10 N4 O'
_chemical_formula_sum            'C12 H10 N4 O'
_chemical_formula_weight         226.24
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.120(2)
_cell_length_b                   25.490(5)
_cell_length_c                   4.0230(8)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      11
_cell_volume                     1140.3(4)
_computing_cell_refinement       'Enraf-Nonius CAD4'
_computing_data_collection       'Enraf-Nonius CAD4 (Enraf-Nonius, 1989)'
_computing_data_reduction        'Siemens SHELXTL (Sheldrick, 1994)'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \q/2\q
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0752
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1860
_diffrn_reflns_theta_full        29.95
_diffrn_reflns_theta_max         29.95
_diffrn_reflns_theta_min         2.00
_diffrn_standards_decay_%        3
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.179
_refine_diff_density_min         -0.255
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1860
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1637
_refine_ls_R_factor_gt           0.0562
_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^)+(0.0800P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1318
_refine_ls_wR_factor_ref         0.1659
_reflns_number_gt                891
_reflns_number_total             1860
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg034068csi20030428_125821.cif
_cod_data_source_block           3c
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 
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_cod_database_code               4505260