Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes
Beweries, Torsten; Jäger-Fiedler, Ulrike; Bach, Marc A.; Burlakov, Vladimir V.; Arndt, Perdita; Baumann, Wolfgang; Spannenberg, Anke; Rosenthal, Uwe; Organometallics 26 (2007) 3000–; doi:10.1021/om0702173

data_4073280
_publ_section_title
;
 Ring-Opening Reactions of Tetrahydrofuran versus Alkyne Complexation by
 Group 4 Metallocene Complexes Leading to General Consequences for
 Synthesis and Reactions of Metallocene Complexes
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              3000
_journal_paper_doi               10.1021/om0702173
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C21.5 H27.5 Cl Ti'
_chemical_formula_weight         369.29
_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                 103.01(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.435(3)
_cell_length_b                   17.642(4)
_cell_length_c                   14.496(3)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      4
_cell_volume                     3596.8(14)
_computing_cell_refinement       STOE-CELL
_computing_data_collection       STOE-EXPOSE
_computing_data_reduction        STOE-INTEGRATE
_computing_molecular_graphics    XP
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  STOE-IPDS
_diffrn_measurement_method       'laser scanned imaging plate'
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12599
_diffrn_reflns_theta_full        24.27
_diffrn_reflns_theta_max         24.27
_diffrn_reflns_theta_min         1.80
_diffrn_standards_interval_time  360
_diffrn_standards_number         50-200
_exptl_absorpt_coefficient_mu    0.623
_exptl_absorpt_correction_type   no
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1564
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.389
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.886
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         5635
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.886
_refine_ls_R_factor_all          0.0622
_refine_ls_R_factor_gt           0.0328
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0447P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0732
_refine_ls_wR_factor_ref         0.0800
_reflns_number_gt                3637
_reflns_number_total             5635
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0702173-file004.cif
_cod_data_source_block           ks341
_cod_original_cell_volume        3596.8(13)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C21.50 H27.50 Cl Ti'
_cod_database_code               4073280