Second Harmonic Generation Response Optimized at Various Optical Wavelength Ranges through a Series of Cubic Chalcogenides Ba6Ag2.67+4δSn4.33−δS16‒xSex
Lai, Wei-Han; Haynes, Alyssa S.; Frazer, Laszlo; Chang, Yu-Ming; Liu, Te-Kun; Lin, Jyun-Fan; Liang, I-Chu; Sheu, Hwo-Shuenn; Ketterson, John B.; Kanatzidis, Mercouri G.; Hsu, Kuei-Fang; Chemistry of Materials 27 (2015) 1316–; doi:10.1021/cm504348z

data_4002179
_publ_section_title
;
 Second Harmonic Generation Response Optimized at Various Optical
 Wavelength Ranges through a Series of Cubic Chalcogenides
 Ba6Ag2.67+4\dSn4.33&#x2212;\dS16--xSex
;
_journal_issue                   4
_journal_name_full               'Chemistry of Materials'
_journal_page_first              1316
_journal_paper_doi               10.1021/cm504348z
_journal_volume                  27
_journal_year                    2015
_chemical_formula_moiety         Ba6Ag4Sn4S16
_chemical_formula_sum            'Ag0.33 Ba0.5 S1.33 Sn0.33'
_chemical_formula_weight         186.94
_space_group_IT_number           220
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'I -4bd 2c 3'
_symmetry_space_group_name_H-M   'I -4 3 d'
_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            48
_cell_length_a                   14.7482(3)
_cell_length_b                   14.7482(3)
_cell_length_c                   14.7482(3)
_cell_measurement_reflns_used    6681
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.76
_cell_volume                     3207.87(11)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker APEX2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0132
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9759
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    13.703
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.4464
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    4.645
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chunk
_exptl_crystal_F_000             3920
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.548
_refine_diff_density_min         -2.272
_refine_diff_density_rms         0.205
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(5)
_refine_ls_extinction_coef       0.00035(3)
_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   1.115
_refine_ls_matrix_type           full
_refine_ls_number_parameters     30
_refine_ls_number_reflns         672
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0240
_refine_ls_R_factor_gt           0.0239
_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^)+(0.0334P)^2^+56.0164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0642
_refine_ls_wR_factor_ref         0.0643
_reflns_number_gt                667
_reflns_number_total             672
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm504348z_si_002.cif
_cod_data_source_block           compound1b
_cod_depositor_comments
'Adding full bibliography for 4002177--4002181.cif.'
_cod_original_sg_symbol_H-M      I-43d
_cod_original_formula_sum        'Ag0.33 Ba0.50 S1.33 Sn0.33'
_cod_database_code               4002179