Alkali metal/mercury dual-metal sulfides as infrared nonlinear optical materials with high laser-induced damage thresholds.
Wang, Guili; Xu, Bohui; Li, Chunxiao; Gong, Pifu; Lin, Zheshuai; Yao, Jiyong; Dalton transactions (Cambridge, England : 2003) 54 (2025) 7198–7202; doi:10.1039/d5dt00180c

data_7719036
_publ_section_title
;
 Alkali metal/mercury dual-metal sulfides as infrared nonlinear optical
 materials with high laser-induced damage thresholds.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7198
_journal_page_last               7202
_journal_paper_doi               10.1039/d5dt00180c
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'Ge3 Hg Rb2 S8'
_chemical_formula_sum            'Ge3 Hg Rb2 S8'
_chemical_formula_weight         845.78
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_primary     dual
_audit_creation_date             2024-11-26
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-11-26 deposited with the CCDC.	2025-04-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3225(14)
_cell_length_b                   12.108(3)
_cell_length_c                   16.863(3)
_cell_measurement_reflns_used    3175
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      24.117
_cell_measurement_theta_min      2.944
_cell_volume                     1495.1(5)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0842
_diffrn_reflns_av_unetI/netI     0.0918
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11963
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.056
_diffrn_reflns_theta_max         25.056
_diffrn_reflns_theta_min         2.416
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    23.758
_exptl_absorpt_correction_T_max  0.2038
_exptl_absorpt_correction_T_min  0.0258
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0935 before and 0.0744 after correction.
The Ratio of minimum to maximum transmission is 0.1266.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    3.758
_exptl_crystal_description       plate
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.530
_refine_diff_density_min         -1.826
_refine_diff_density_rms         0.311
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.46(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         2635
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0377P)^2^+25.5812P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1096
_refine_ls_wR_factor_ref         0.1185
_reflns_Friedel_coverage         0.711
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                1876
_reflns_number_total             2635
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00180c2.cif
_cod_data_source_block           a
_cod_original_cell_volume        1495.0(5)
_cod_database_code               7719036
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.450
_shelx_estimated_absorpt_t_min   0.148
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.54(3)
 0.46(3)
;
_shelx_res_checksum              37466
_shelx_hkl_checksum              13536
_olex2_submission_special_instructions 'No special instructions were received'