Half-Sandwich Group 4 Salicyloxazoline Catalysts
Coles, Stuart R.; Clarkson, Guy J.; Gott, Andrew L.; Munslow, Ian J.; Spitzmesser, Stefan K.; Scott, Peter; Organometallics 25 (2006) 6019–; doi:10.1021/om060687h

data_4074480
_publ_section_title
;
 Half-Sandwich Group 4 Salicyloxazoline Catalysts
;
_journal_issue                   26
_journal_name_full               Organometallics
_journal_page_first              6019
_journal_paper_doi               10.1021/om060687h
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C28 H41.5 Cl2 Hf N O2.25'
_chemical_formula_weight         677.51
_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                 98.5900(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9224(2)
_cell_length_b                   13.8597(3)
_cell_length_c                   23.0046(5)
_cell_measurement_reflns_used    7390
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.38
_cell_volume                     3128.14(12)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        'SAINT (Siemens, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.903
_diffrn_measurement_device_type  'Siemens SMART diffractometer'
_diffrn_measurement_method       '\w scans'
_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  0.0600
_diffrn_reflns_av_sigmaI/netI    0.0735
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            19264
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.80
_diffrn_reflns_theta_min         2.32
_diffrn_standards_decay_%        nil
_exptl_absorpt_coefficient_mu    3.529
_exptl_absorpt_correction_T_max  0.7655
_exptl_absorpt_correction_T_min  0.4712
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.439
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1362
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.08
_refine_diff_density_max         3.324
_refine_diff_density_min         -3.357
_refine_diff_density_rms         0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         7371
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0392P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0917
_reflns_number_gt                5576
_reflns_number_total             7371
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060687hsi20060731_115657.cif
_cod_data_source_block           src3
_cod_original_cell_volume        3128.14(11)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_original_formula_sum        'C28 H41.50 Cl2 Hf N O2.25'
_cod_database_code               4074480