[2 + 2] Cycloaddition Products of Zirconium and Hafnium Hydrazinediides with Allenes and Heteroallenes and Their Thermally Induced Rearrangements
Gehrmann, Thorsten; Plundrich, Gudrun T.; Wadepohl, Hubert; Gade, Lutz H.; Organometallics 31 (2012) 3346–; doi:10.1021/om300143h

data_4078146
_publ_section_title
;
 [2 + 2] Cycloaddition Products of Zirconium and Hafnium Hydrazinediides
 with Allenes and Heteroallenes and Their Thermally Induced Rearrangements
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              3346
_journal_paper_doi               10.1021/om300143h
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C52 H69 N7 S Si2 Zr'
_chemical_formula_weight         971.60
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_block_code                ga_tg12
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 96.340(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.596(3)
_cell_length_b                   21.607(5)
_cell_length_c                   20.596(5)
_cell_measurement_temperature    100(2)
_cell_volume                     5129(2)
_computing_cell_refinement       'SAINT (Bruker AXS, 1997-2008)'
_computing_data_collection       'SMART (Bruker AXS, 1997-2003)'
_computing_data_reduction        'SAINT (Bruker AXS, 1997-2008)'
_computing_molecular_graphics    'PLATON (Spek, 1980-2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF (Beurskens et al., 1999-2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector (Bruker AXS Smart 1000)'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1504
_diffrn_reflns_av_sigmaI/netI    0.0858
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            86349
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         1.37
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.343
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6650
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements (Blessing 1995)
SADABS (Sheldrick & Bruker AXS, 2004-2008)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2056
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.672
_refine_diff_density_min         -0.705
_refine_diff_density_rms         0.102
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     580
_refine_ls_number_reflns         9145
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.1067
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0421P)^2^+17.3859P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1292
_refine_ls_wR_factor_ref         0.1488
_reflns_number_gt                5844
_reflns_number_total             9145
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300143h_si_001.cif
_cod_data_source_block           complex_2a
_cod_original_cell_volume        5128.8(19)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4078146
_audit_block_refno               814