Symmetry breaking through molecular engineering to achieve "on-off-on" nonlinear optical switch in a [SnCl<sub>6</sub>]<sup>2-</sup> framework.
Cai, Zhuoer; Yinan, Zhang; Chen, Jian; He, Xiaofan; Zhang, Ziyue; Hua, Xiu-Ni; Sun, Baiwang; Chemical communications (Cambridge, England) 60 (2024) 9412–9415; doi:10.1039/d4cc03006k

data_7133475
_publ_section_title
;
 Symmetry breaking through molecular engineering to achieve "on-off-on"
 nonlinear optical switch in a [SnCl<sub>6</sub>]<sup>2-</sup> framework.
;
_journal_issue                   70
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              9412
_journal_page_last               9415
_journal_paper_doi               10.1039/d4cc03006k
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C4 H12 Cl6 N O Sn, 0.5(C8 H24 N2 O2)'
_chemical_formula_sum            'C8 H24 Cl6 N2 O2 Sn'
_chemical_formula_weight         511.68
_space_group_crystal_system      hexagonal
_space_group_IT_number           186
_space_group_name_Hall           'P 6c -2c'
_space_group_name_H-M_alt        'P 63 m c'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     dual
_audit_creation_date             2024-05-24
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-05-24 deposited with the CCDC.	2024-08-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   9.6998(9)
_cell_length_b                   9.6998(9)
_cell_length_c                   12.6019(18)
_cell_measurement_reflns_used    2890
_cell_measurement_temperature    400.00
_cell_measurement_theta_max      21.64
_cell_measurement_theta_min      4.85
_cell_volume                     1026.8(2)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      400.00
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART CCD 6000 area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0567
_diffrn_reflns_av_unetI/netI     0.0304
_diffrn_reflns_Laue_measured_fraction_full 0.979
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6536
_diffrn_reflns_point_group_measured_fraction_full 0.954
_diffrn_reflns_point_group_measured_fraction_max 0.954
_diffrn_reflns_theta_full        25.027
_diffrn_reflns_theta_max         25.027
_diffrn_reflns_theta_min         4.853
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    2.024
_exptl_absorpt_correction_T_max  0.0452
_exptl_absorpt_correction_T_min  0.0158
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1169 before and 0.0742 after correction.
The Ratio of minimum to maximum transmission is 0.3496.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_F_000             508
_refine_diff_density_max         0.139
_refine_diff_density_min         -0.077
_refine_diff_density_rms         0.012
_refine_ls_abs_structure_details
;
 Flack x determined using 223 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     126
_refine_ls_number_reflns         691
_refine_ls_number_restraints     163
_refine_ls_restrained_S_all      0.909
_refine_ls_R_factor_all          0.0559
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1003P)^2^+0.0176P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1329
_refine_ls_wR_factor_ref         0.1453
_reflns_Friedel_coverage         0.853
_reflns_Friedel_fraction_full    0.927
_reflns_Friedel_fraction_max     0.927
_reflns_number_gt                574
_reflns_number_total             691
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc03006k2.cif
_cod_data_source_block           tmhasncl400
_cod_depositor_comments
'Adding full bibliography for 7133473--7133477.cif.'
_cod_database_code               7133475
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C2-N1 = C1-N1 = C3-N1
 1.5 with sigma of 0.01
 N1-C2 = N1-C3 = N1-C1
 1.5 with sigma of 0.01
 C2-C3
 2.46 with sigma of 0.01
 C2-C1
 2.46 with sigma of 0.01
 C1-C3
 2.46 with sigma of 0.01
 O1-N1
 1.441 with sigma of 0.01
 C1-O1
 2.43 with sigma of 0.1
 C2-O1
 2.43 with sigma of 0.1
 C3-O1
 2.43 with sigma of 0.1
 O1-C4
 1.442 with sigma of 0.1
 C4-C2
 2.8 with sigma of 0.1
 C3-C4
 2.8 with sigma of 0.1
 N2-C6 = N2-C5 = N2-C7
 1.5 with sigma of 0.01
 O2-N2
 1.441 with sigma of 0.01
 O2-C8
 1.5 with sigma of 0.01
 C7-C6
 2.461 with sigma of 0.01
 C6-C5
 2.461 with sigma of 0.01
 C7-C5
 2.461 with sigma of 0.01
 C6-O2
 2.38 with sigma of 0.01
 C5-O2
 2.38 with sigma of 0.01
 O2-C7
 2.38 with sigma of 0.01
 C8-C6
 2.77 with sigma of 0.1
 C8-C5
 2.77 with sigma of 0.1
 C8-N2
 2.43 with sigma of 0.01
3. Uiso/Uaniso restraints and constraints
C2 \\sim C4 \\sim O1 \\sim N1 \\sim C3 \\sim C1: within 2A with sigma of 0.001
and sigma for terminal atoms of 0.002 within 2A
N2 \\sim O2 \\sim C5 \\sim C7 \\sim C6 \\sim C8: within 2A with sigma of 0.001
and sigma for terminal atoms of 0.002 within 2A
Uanis(C3) \\sim Ueq, Uanis(C4) \\sim Ueq, Uanis(O1) \\sim Ueq, Uanis(N1) \\sim
Ueq, Uanis(C2) \\sim Ueq, Uanis(C1) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(C6) \\sim Ueq, Uanis(N2) \\sim Ueq, Uanis(O2) \\sim Ueq, Uanis(C5) \\sim
Ueq, Uanis(C7) \\sim Ueq, Uanis(C8) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
4. Others
 Fixed Sof: C4(0.166667) H4A(0.166667) H4B(0.166667) H4C(0.166667)
 N1(0.166667) C3(0.166667) H3B(0.166667) H3A(0.166667) H3C(0.166667)
 O1(0.166667) C2(0.166667) H2A(0.166667) H2B(0.166667) H2C(0.166667)
 C1(0.166667) H1A(0.166667) H1B(0.166667) H1C(0.166667) N2(0.166667)
 O2(0.166667) C6(0.166667) H6A(0.166667) H6B(0.166667) H6C(0.166667)
 C8(0.166667) H8A(0.166667) H8B(0.166667) H8C(0.166667) C5(0.166667)
 H5A(0.166667) H5B(0.166667) H5C(0.166667) C7(0.166667) H7A(0.166667)
 H7B(0.166667) H7C(0.166667)
5.a Riding coordinates:
 C4(H4A,H4B,H4C), C3(H3B,H3A,H3C), C2(H2A,H2B,H2C), C1(H1A,H1B,H1C), C6(H6A,
 H6B,H6C), C8(H8A,H8B,H8C), C5(H5A,H5B,H5C), C7(H7A,H7B,H7C)
;
_shelx_res_checksum              92334
_shelx_hkl_checksum              9203
_olex2_submission_special_instructions 'No special instructions were received'