Cleavage and Reorganization of Zr-C/Si-C Bonds Leading to Zr/Si-N Organometallic and Heterocyclic Compounds
Shaoguang Zhang; Wen-Xiong Zhang; Jing Zhao; Zhenfeng Xi; Journal of the American Chemical Society 132 (2010) 14042–14045; doi:10.1021/ja1074932

data_4103247
_publ_contact_author_address
;
Beijing National Laboratory for Molecular Sciences (BNLMS),
Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry 
of Education, College of Chemistry, Peking University,
Beijing 100871, China,
;
_publ_contact_author_email       zfxi@pku.edu.cn
_publ_contact_author_name        'Zhenfeng Xi'
_publ_section_title
;
 Cleavage and Reorganization of Zr-C/Si-C Bonds Leading to Zr/Si-N
 Organometallic and Heterocyclic Compounds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14042
_journal_page_last               14045
_journal_paper_doi               10.1021/ja1074932
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C40 H48 N2 Si Zr'
_chemical_formula_sum            'C40 H48 N2 Si Zr'
_chemical_formula_weight         676.11
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.116(3)
_cell_length_b                   9.738(5)
_cell_length_c                   18.742(6)
_cell_measurement_reflns_used    768
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.17
_cell_volume                     3671(2)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0863
_diffrn_reflns_av_sigmaI/netI    0.0706
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            25927
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.361
_exptl_absorpt_correction_T_max  0.9379
_exptl_absorpt_correction_T_min  0.8692
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.456
_refine_diff_density_min         -0.348
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.242
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         6434
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.242
_refine_ls_R_factor_all          0.0812
_refine_ls_R_factor_gt           0.0750
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0142P)^2^+5.7968P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1269
_refine_ls_wR_factor_ref         0.1295
_reflns_number_gt                5967
_reflns_number_total             6434
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1074932_si_002.cif
_cod_data_source_block           a
_cod_database_code               4103247