Syntheses and structures of [(Me3N)3SiNHLi]4, (C4H8O)Al[NHSi(NMe2)3]3, ((Me2N)3SiNH)3Al and Li(THF)2+[((Me2N)3SiNH)4Al]‒
Bradley, John S.; Cheng, Fei; Archibald, Stephen J.; Supplit, Ralf; Rovai, Riccardo; Lehmann, Christian W.; Krüger, Carl; Lefebvre, Frédéric; Dalton Transactions  (2003) 1846–; doi:10.1039/b209605f

data_7012284
_publ_section_title
;
 Syntheses and structures of [(Me3N)3SiNHLi]4, (C4H8O)Al[NHSi(NMe2)3]3,
 ((Me2N)3SiNH)3Al and Li(THF)2+[((Me2N)3SiNH)4Al]--
;
_journal_issue                   9
_journal_name_full               'Dalton Transactions'
_journal_page_first              1846
_journal_paper_doi               10.1039/b209605f
_journal_year                    2003
_chemical_formula_sum            'C22 H65 Al N12 O Si3'
_chemical_formula_weight         625.11
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.536(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7875(16)
_cell_length_b                   17.413(2)
_cell_length_c                   21.810(4)
_cell_measurement_temperature    150(2)
_cell_volume                     3433.2(10)
_computing_cell_refinement       X-AREA
_computing_data_collection       X-AREA
_computing_data_reduction        X-RED
_computing_molecular_graphics    'ORTEP II (Johnson, 1976)'
_computing_publication_material  'SHELXL 97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Stoe IPDSII image plate'
_diffrn_measurement_method
'170 frames at 1^o intervals, exposure time 1 minute'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2043
_diffrn_reflns_av_sigmaI/netI    0.2475
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            29973
_diffrn_reflns_theta_full        30.28
_diffrn_reflns_theta_max         30.28
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.200
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.394
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.775
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         10569
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.775
_refine_ls_R_factor_all          0.2143
_refine_ls_R_factor_gt           0.0716
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0821P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1620
_refine_ls_wR_factor_ref         0.2146
_reflns_number_gt                3202
_reflns_number_total             10569
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b209605f.txt
_cod_data_source_block           jsb23_01
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        3433.2(9)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7012284