Synthesis and Characterization of Group 4 Amide Chloride and Amide Imide Complexes
Yu, Xianghua; Chen, Shu-Jian; Wang, Xiaoping; Chen, Xue-Tai; Xue, Zi-Ling; Organometallics 28 (2009) 4269–; doi:10.1021/om900070k

data_4069187
_publ_section_title
;
 Synthesis and Characterization of Group 4 Amide Chloride and Amide Imide
 Complexes
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              4269
_journal_paper_doi               10.1021/om900070k
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C16 H44 Cl2 Hf N2 O Si4'
_chemical_formula_sum            'C16 H44 Cl2 Hf N2 O Si4'
_chemical_formula_weight         642.28
_chemical_name_common
'Hafnium bis(trimethylsilyl)amide chloride THF'
_chemical_name_systematic
; 
Hafnium bis(trimethylsilyl)amide chloride THF 
;
_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                 93.397(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.925(6)
_cell_length_b                   25.866(9)
_cell_length_c                   13.838(5)
_cell_measurement_temperature    173(2)
_cell_volume                     5690(4)
_computing_cell_refinement       'SMART, Bruker (2000)'
_computing_data_collection       'SMART, Bruker (2000)'
_computing_data_reduction        'SHELXS-97 (Sheldrick, 1990)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL, Bruker (2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.612
_diffrn_measured_fraction_theta_max 0.612
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       Multi-scan
_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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0485
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            34630
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    4.032
_exptl_absorpt_correction_T_max  0.6022
_exptl_absorpt_correction_T_min  0.4574
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2592
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.684
_refine_diff_density_min         -0.982
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         8664
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0399
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0472P)^2^+13.7562P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0769
_refine_ls_wR_factor_ref         0.1075
_reflns_number_gt                7156
_reflns_number_total             8664
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900070k_si_007.cif
_cod_data_source_block           3b
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        5690(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4069187