Titanocene and Zirconocene Complexes with Diaminoacetylenes: Formation of Unusual Metallacycles and Fulvene Complexes
Àrias, Òscar; Petrov, Alex R.; Bannenberg, Thomas; Altenburger, Kai; Arndt, Perdita; Jones, Peter G.; Rosenthal, Uwe; Tamm, Matthias; Organometallics 33 (2014) 1774–; doi:10.1021/om500121p

data_4082845
_publ_section_title
;
 Titanocene and Zirconocene Complexes with Diaminoacetylenes: Formation of
 Unusual Metallacycles and Fulvene Complexes
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1774
_journal_paper_doi               10.1021/om500121p
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C32 H50 N2 Zr'
_chemical_formula_weight         553.96
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.1290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7554(2)
_cell_length_b                   29.1238(5)
_cell_length_c                   10.8155(2)
_cell_measurement_reflns_used    4345
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      31.12
_cell_measurement_theta_min      2.88
_cell_volume                     2992.52(10)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 V2011.4-1 (Bruker AXS, 2011)'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa APEX II Duo'
_diffrn_measurement_method       'omega + phi scans'
_diffrn_radiation_monochromator  'curved graphite'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0166
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            66816
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.389
_exptl_absorpt_correction_T_max  0.9390
_exptl_absorpt_correction_T_min  0.8763
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         6864
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.087
_refine_ls_R_factor_all          0.0324
_refine_ls_R_factor_gt           0.0262
_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^)+(0.0275P)^2^+1.4419P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0614
_refine_ls_wR_factor_ref         0.0641
_reflns_number_gt                6091
_reflns_number_total             6864
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500121p_si_001.cif
_cod_data_source_block           ax0029
_cod_depositor_comments          'Adding full bibliography for 4082845.cif.'
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4082845