Structural Studies of Cesium, Lithium/Cesium, and Sodium/Cesium Bis(trimethylsilyl)amide (HMDS) Complexes.
Ojeda-Amador, Ana I; Martínez-Martínez, Antonio J; Kennedy, Alan R.; O'Hara, Charles T; Inorganic chemistry 55 (2016) 5719–5728; doi:10.1021/acs.inorgchem.6b00839

data_4348008
_publ_section_title
;
 Structural Studies of Cesium, Lithium/Cesium, and Sodium/Cesium
 Bis(trimethylsilyl)amide (HMDS) Complexes.
;
_journal_issue                   11
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5719
_journal_page_last               5728
_journal_paper_doi               10.1021/acs.inorgchem.6b00839
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C12 H35 Cs Li N2 Si4'
_chemical_formula_sum            'C12 H35 Cs Li N2 Si4'
_chemical_formula_weight         459.63
_space_group_crystal_system      orthorhombic
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_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
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_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.4682(3)
_cell_length_b                   11.7809(2)
_cell_length_c                   30.2654(6)
_cell_measurement_reflns_used    7361
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      72.9188
_cell_measurement_theta_min      3.2787
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_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
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_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
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_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
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_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0403
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_diffrn_reflns_limit_l_max       37
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_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        70.000
_diffrn_reflns_theta_max         73.076
_diffrn_reflns_theta_min         4.395
_exptl_absorpt_coefficient_mu    13.883
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.16125
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_description       needle
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_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.870
_refine_diff_density_min         -0.410
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         4805
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0537P)^2^+2.6588P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.0912
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4197
_reflns_number_total             4805
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b00839_si_002.cif
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