Lithium metal atoms fill vacancies in the germanium network of a type-I clathrate: Synthesis and structural characterization of Ba8Li5Ge41
Ghosh, Kowsik; Ovchinnikov, Alexander; Baitinger, Michael; Krnel, Mitja; Burkhardt, Ulrich; Grin, Yuri; Bobev, Svilen; Dalton Transactions  (2023) –; doi:10.1039/D3DT01168B

data_7713081
_publ_section_title
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 Lithium metal atoms fill vacancies in the germanium network of a type-I
 clathrate: Synthesis and structural characterization of Ba8Li5Ge41
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT01168B
_journal_year                    2023
_chemical_formula_moiety         'C46 H48 N4 O2 Zn2'
_chemical_formula_sum            'C46 H48 N4 O2 Zn2'
_chemical_formula_weight         819.62
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-06-21
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-06-27 deposited with the CCDC.	2023-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                97.970(4)
_cell_angle_beta                 99.773(4)
_cell_angle_gamma                102.037(4)
_cell_formula_units_Z            1
_cell_length_a                   8.5813(6)
_cell_length_b                   9.6302(7)
_cell_length_c                   12.5497(9)
_cell_measurement_reflns_used    9069
_cell_measurement_temperature    110.0(1)
_cell_measurement_theta_max      66.80
_cell_measurement_theta_min      3.63
_cell_volume                     983.15(12)
_computing_cell_refinement       'SAINT V8.40B (Bruker, 2016)'
_computing_data_collection       'APEX4 (Bruker, 2021)'
_computing_data_reduction        'SAINT V8.40B (Bruker, 2016)'
_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  (Sheldrick, 2015)'
_diffrn_ambient_temperature      110.0(1)
_diffrn_detector                 CMOS
_diffrn_detector_area_resol_mean '1024 x 1024'
_diffrn_detector_type            'Photon 100'
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans''
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  'QUAZAR MX multilayer optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a~1~'
_diffrn_radiation_wavelength     1.54178
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.1034
_diffrn_reflns_av_unetI/netI     0.0846
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11389
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        66.845
_diffrn_reflns_theta_max         66.845
_diffrn_reflns_theta_min         3.633
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_target            Cu
_diffrn_source_type              'high brilliance microfocus sealed tube, Cu'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.836
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.4263
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.1523 before and 0.1083 after correction.
The Ratio of minimum to maximum transmission is 0.5663.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_description       plate
_exptl_crystal_F_000             428
_exptl_crystal_recrystallization_method
'The material was recrystallised from DCM by slow evaporation'
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.047
_refine_diff_density_min         -1.181
_refine_diff_density_rms         0.178
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3446
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.1420
_refine_ls_R_factor_gt           0.1186
_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^)+(0.1879P)^2^+6.1698P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3100
_refine_ls_wR_factor_ref         0.3283
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2739
_reflns_number_total             3446
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01168b2.cif
_cod_data_source_block           compound_5c
_cod_database_code               7713081
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.930
_shelx_estimated_absorpt_t_min   0.810
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C3'(H3'), C4(H4), C4'(H4'), C5(H5), C5'(H5'), C6(H6), C6'(H6'),
 C8'(H8'), C9'(H9'), C10'(H10')
2.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
;
_shelx_res_checksum              77330
_shelx_hkl_checksum              29032
_olex2_submission_special_instructions 'No special instructions were received'