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_7713074
_publ_section_title
;
 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         'C24 H36 N6 O2 Zn'
_chemical_formula_sum            'C24 H36 N6 O2 Zn'
_chemical_formula_weight         505.96
_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             2022-06-24
_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                75.743(2)
_cell_angle_beta                 89.755(2)
_cell_angle_gamma                71.855(2)
_cell_formula_units_Z            2
_cell_length_a                   10.6168(3)
_cell_length_b                   11.2860(4)
_cell_length_c                   11.5396(4)
_cell_measurement_reflns_used    9904
_cell_measurement_temperature    110.0(1)
_cell_measurement_theta_max      26.28
_cell_measurement_theta_min      2.62
_cell_volume                     1269.52(8)
_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                 'CCD Plate'
_diffrn_detector_area_resol_mean '512 x 512'
_diffrn_detector_type            APEX2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Nonius APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans''
_diffrn_radiation_collimation    '0.6 mm'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a~1~'
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_unetI/netI     0.0249
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            86013
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.576
_diffrn_reflns_theta_min         2.313
_diffrn_source                   'X-ray tube'
_diffrn_source_current           5.0
_diffrn_source_power             0.1
_diffrn_source_target            Mo
_diffrn_source_type              'Siemens KFF Mo 2K-180'
_diffrn_source_voltage           20.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.999
_exptl_absorpt_correction_T_max  0.8014
_exptl_absorpt_correction_T_min  0.6436
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.0663 before and 0.0530 after correction.
The Ratio of minimum to maximum transmission is 0.8031.
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    1.324
_exptl_crystal_description       needle
_exptl_crystal_F_000             536
_exptl_crystal_recrystallization_method
'The material was recrystallised from a mixture of DCM and cyclohexane  by slow evaporation'
_exptl_crystal_size_max          0.801
_exptl_crystal_size_mid          0.147
_exptl_crystal_size_min          0.124
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         5840
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0408
_refine_ls_R_factor_gt           0.0259
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0262P)^2^+0.7332P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0589
_refine_ls_wR_factor_ref         0.0655
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4799
_reflns_number_total             5840
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01168b2.cif
_cod_data_source_block           compound_6d
_cod_original_cell_volume        1269.52(7)
_cod_database_code               7713074
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.886
_shelx_estimated_absorpt_t_min   0.502
_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:
 C9(H9A,H9B), C9A(H9AA,H9AB), C10(H10A,H10B), C10A(H10C,H10D)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C3A(H3A), C4(H4), C4A(H4A), C5(H5), C5A(H5A), C6(H6), C6A(H6A),
 C7(H7), C7A(H7A)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C8A(H8AA,H8AB,H8AC), C11(H11A,H11B,H11C), C11A(H11D,H11E,
 H11F), C12(H12A,H12B,H12C), C12A(H12D,H12E,H12F)
;
_shelx_res_checksum              42768
_shelx_hkl_checksum              66570
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder oil'
_olex2_submission_special_instructions 'No special instructions were received'