From a Cycloheptatrienylzirconium Allyl Complex to a Cycloheptatrienylzirconium Imidazolin-2-iminato "Pogo Stick" Complex with Imido-Type Reactivity
Andreas Glöckner; Thomas Bannenberg; Constantin G. Daniliuc; Peter G. Jones; Matthias Tamm; Inorganic Chemistry 51 (2012) 4368–4378; doi:10.1021/ic300129z

data_4328839
_publ_contact_author
;
        Peter G. Jones
        Institut f\"ur Anorganische und Analytische Chemie
        Technische Universit\"at Braunschweig
        Postfach 3329
        38023 Braunschweig
        Germany
;
_publ_contact_author_email       p.jones@tu-bs.de
_publ_contact_author_fax         '049 531 391-5387'
_publ_contact_author_phone       '049 531 391-5382'
_publ_section_title
;
 From a Cycloheptatrienylzirconium Allyl Complex to a
 Cycloheptatrienylzirconium Imidazolin-2-iminato "Pogo Stick" Complex with
 Imido-Type Reactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4368
_journal_page_last               4378
_journal_paper_doi               10.1021/ic300129z
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C20 H36 O Si2 Zr'
_chemical_formula_weight         439.89
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 101.782(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.6044(12)
_cell_length_b                   18.137(2)
_cell_length_c                   8.2034(12)
_cell_measurement_reflns_used    6956
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.7583
_cell_measurement_theta_min      4.8590
_cell_volume                     1107.6(3)
_computing_cell_refinement
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_data_collection
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_data_reduction
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_molecular_graphics    'BRUKER XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Nova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0692
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14904
_diffrn_reflns_theta_full        72.50
_diffrn_reflns_theta_max         76.68
_diffrn_reflns_theta_min         4.88
_exptl_absorpt_coefficient_mu    5.122
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.61493
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_description       plate
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         3.234
_refine_diff_density_min         -2.090
_refine_diff_density_rms         0.176
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         2391
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0843
_refine_ls_R_factor_gt           0.0785
_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^)+(0.1009P)^2^+9.6082P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2027
_refine_ls_wR_factor_ref         0.2072
_reflns_number_gt                2193
_reflns_number_total             2391
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300129z_si_001_2.cif
_cod_data_source_block           andyg10
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               4328839