An organic-inorganic hybrid material [Me3NCH2CH2F]FeBr4 exhibits three-step SHG on/off
Zhang, Haina; Wang, Lingyu; Guo, Wenjing; Cai, Hu; Wei, Zhenhong; Chemical Communications  (2023) –; doi:10.1039/D3CC04700H

data_7132230
_publ_section_title
;
 An organic-inorganic hybrid material [Me3NCH2CH2F]FeBr4 exhibits
 three-step SHG on/off
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D3CC04700H
_journal_year                    2023
_chemical_formula_moiety         'C5 H13 F N, Br4 Fe'
_chemical_formula_sum            'C5 H13 Br4 F Fe N'
_chemical_formula_weight         481.61
_space_group_crystal_system      orthorhombic
_space_group_IT_number           36
_space_group_name_Hall           'C 2c -2'
_space_group_name_H-M_alt        'C m c 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-07-11
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-09-20 deposited with the CCDC.	2023-10-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.0498(16)
_cell_length_b                   16.3256(16)
_cell_length_c                   10.7180(11)
_cell_measurement_reflns_used    2509
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      29.9810
_cell_measurement_theta_min      2.5450
_cell_volume                     2633.4(5)
_computing_cell_refinement       'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.108a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0564
_diffrn_reflns_av_unetI/netI     0.0585
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5579
_diffrn_reflns_point_group_measured_fraction_full 0.897
_diffrn_reflns_point_group_measured_fraction_max 0.897
_diffrn_reflns_theta_full        24.990
_diffrn_reflns_theta_max         24.990
_diffrn_reflns_theta_min         2.495
_exptl_absorpt_coefficient_mu    13.253
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.10039
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.108a (Rigaku Oxford Diffraction, 2021)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.430
_exptl_crystal_description       block
_exptl_crystal_F_000             1800
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.045
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.738
_refine_diff_density_min         -2.149
_refine_diff_density_rms         0.312
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.06(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     122
_refine_ls_number_reflns         2173
_refine_ls_number_restraints     89
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0708
_refine_ls_R_factor_gt           0.0567
_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^)+(0.1067P)^2^+6.4426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1534
_refine_ls_wR_factor_ref         0.1612
_reflns_Friedel_coverage         0.700
_reflns_Friedel_fraction_full    0.786
_reflns_Friedel_fraction_max     0.786
_reflns_number_gt                1805
_reflns_number_total             2422
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc04700h2.cif
_cod_data_source_block           1-290K
_cod_database_code               7132230
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.94(6)
 0.06(6)
2. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Restrained distances
 N1-C3 \\sim N1-C2 \\sim N1-C1 \\sim N1-C4 \\sim C5-C4
 with sigma of 0.0001
4. Uiso/Uaniso restraints and constraints
F1 \\sim N1 \\sim C1 \\sim C2 \\sim C3 \\sim C4 \\sim C5: within 2A with sigma
of 0.01 and sigma for terminal atoms of 0.02
Uanis(N1) \\sim Ueq, Uanis(C1) \\sim Ueq, Uanis(C4) \\sim Ueq, Uanis(C2) \\sim
Ueq, Uanis(C3) \\sim Ueq, Uanis(C5) \\sim Ueq, Uanis(F1) \\sim Ueq: with sigma
of 0.01 and sigma for terminal atoms of 0.02
Uanis(C1) \\sim Ueq: with sigma of 0.001 and sigma for terminal atoms of 0.002
5.a Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C5(H5A,H5B)
5.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C2(H2A,H2B,H2C), C3(H3A,H3B,H3C)
;
_olex2_submission_special_instructions 'No special instructions were received'