Infrared SHG Materials CsM3Se6 (M = Ga/Sn, In/Sn): Phase Matchability Controlled by Dipole Moment of the Asymmetric Building Unit
Lin, Hua; Chen, Ling; Yu, Ju-Song; Chen, Hong; Wu, Li-Ming; Chemistry of Materials 29 (2017) 499–; doi:10.1021/acs.chemmater.6b05026

data_4002706
_publ_section_title
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 Infrared SHG Materials CsM3Se6 (M = Ga/Sn, In/Sn): Phase Matchability
 Controlled by Dipole Moment of the Asymmetric Building Unit
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_journal_issue                   2
_journal_name_full               'Chemistry of Materials'
_journal_page_first              499
_journal_paper_doi               10.1021/acs.chemmater.6b05026
_journal_volume                  29
_journal_year                    2017
_chemical_formula_moiety         'Cs Ga Se6 Sn2'
_chemical_formula_sum            'Cs Ga Se6 Sn2'
_chemical_formula_weight         913.77
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           146
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   10.5180(8)
_cell_length_b                   10.5180(8)
_cell_length_c                   9.5385(12)
_cell_measurement_reflns_used    975
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4817
_cell_measurement_theta_min      3.0924
_cell_volume                     913.85(15)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_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_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  Mercury70
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0266
_diffrn_reflns_av_sigmaI/netI    0.0336
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            1919
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    27.070
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6315
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    4.981
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1170
_exptl_crystal_size_max          0.2500
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         0.476
_refine_diff_density_min         -0.633
_refine_diff_density_rms         0.105
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.027(16)
_refine_ls_extinction_coef       0.00214(6)
_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   0.961
_refine_ls_matrix_type           full
_refine_ls_number_parameters     32
_refine_ls_number_reflns         714
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0160
_refine_ls_R_factor_gt           0.0153
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0001P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0297
_refine_ls_wR_factor_ref         0.0298
_reflns_number_gt                671
_reflns_number_total             714
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm6b05026_si_002.cif
_cod_data_source_block           CsGaSn2Se6
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
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_cod_original_sg_symbol_H-M      R3
_cod_database_code               4002706