Second-Harmonic Generation within theP212121Space Group, in a Series of Chiral (Salicylaldiminato)tin Schiff Base Complexes
Rivera, José María; Reyes, Horacio; Cortés, Armando; Santillan, Rosa; Lacroix, Pascal G.; Lepetit, Christine; Nakatani, Keitaro; Farfán, Norberto; Chemistry of Materials 18 (2006) 1174–; doi:10.1021/cm051589+

data_4002020
_publ_contact_author
;     Jos\'e Norberto Farf\'an-Garc\'ia

      Departamento de Qu\'imica
      Centro de Investigaci\'on y de Estudios Avanzados
      del Instituto Polit\'ecnico Nacional
      Apartado Postal 14-740
      07000 M\'exico, D.F.
      M\'exico

;
_publ_section_title
;
 Second-Harmonic Generation within theP212121Space Group, in a Series of
 Chiral (Salicylaldiminato)tin Schiff Base Complexes
;
_journal_issue                   5
_journal_name_full               'Chemistry of Materials'
_journal_page_first              1174
_journal_paper_doi               10.1021/cm051589+
_journal_volume                  18
_journal_year                    2006
_chemical_formula_sum            'C28 H32 N2 O3 Sn'
_chemical_formula_weight         563.25
_chemical_melting_point          493.1(10)
_chemical_name_systematic
;
 2,2-diphenyl-5-((1-methyl)ethyl)-(4&#x00B4;-diethylaminobenzo[h])-6-aza-1,3-dioxa-6-en-2-stannacyclononen-4-one
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_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   10.6965(2)
_cell_length_b                   12.8584(2)
_cell_length_c                   20.0495(3)
_cell_measurement_temperature    293(2)
_cell_volume                     2757.61(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            21562
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.44
_exptl_absorpt_coefficient_mu    0.956
_exptl_absorpt_correction_T_max  1.1900
_exptl_absorpt_correction_T_min  0.8147
_exptl_absorpt_process_details
'semi empirical correction through MULTISCAN procedure (PLATON)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1152
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(3)
_refine_ls_extinction_coef       0.0071(7)
_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   1.158
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         6266
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.158
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0279P)^2^+0.7822P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0739
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                5129
_reflns_number_total             6266
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm051589%2Bsi20050719_110947.cif
_cod_data_source_block           compound6
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '219-221o C' was changed to
'493.1(10)' - it was converted from degrees Celsius(C) to Kelvins(K),
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
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_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4002020