Organic mandelates as promising materials with non-linear optical application
Ivanova, Bojidarka; Spiteller, Michael; Structural Chemistry 21 (2010) 989–; doi:10.1007/s11224-010-9635-5

data_1513071
_publ_section_title
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 Organic mandelates as promising materials with non-linear optical
 application
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_journal_name_full               'Structural Chemistry'
_journal_page_first              989
_journal_paper_doi               10.1007/s11224-010-9635-5
_journal_volume                  21
_journal_year                    2010
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C8 H7 O3, C6 H7 N2 O'
_chemical_formula_sum            'C14 H14 N2 O4'
_chemical_formula_weight         274.27
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_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            16
_cell_length_a                   14.323(2)
_cell_length_b                   14.323(2)
_cell_length_c                   26.922(6)
_cell_measurement_temperature    199(2)
_cell_volume                     5523.0(16)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker GIS'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker APEX2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      199(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART X2S'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'doubly curved silicon crystal'
_diffrn_radiation_source         'micro-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1945
_diffrn_reflns_av_sigmaI/netI    0.1060
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            34329
_diffrn_reflns_theta_full        21.11
_diffrn_reflns_theta_max         21.11
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9798
_exptl_absorpt_correction_T_min  0.9671
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.087
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(3)
_refine_ls_extinction_coef       0.00030(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   1.373
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     730
_refine_ls_number_reflns         5961
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.372
_refine_ls_R_factor_all          0.1563
_refine_ls_R_factor_gt           0.1047
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2312
_refine_ls_wR_factor_ref         0.2605
_reflns_number_gt                3785
_reflns_number_total             5961
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            Struct-108.cif
_cod_data_source_block           bi108
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        5523.1(17)
_cod_database_code               1513071