Chiral Group 4 Cyclopentadienyl Complexes and Their Use in Polymerization of Lactide Monomers
Turner, Zoë R.; Buffet, Jean-Charles; O’Hare, Dermot; Organometallics 33 (2014) 3891–; doi:10.1021/om500634a

data_4084025
_publ_section_title
;
 Chiral Group 4 Cyclopentadienyl Complexes and Their Use in Polymerization
 of Lactide Monomers
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3891
_journal_paper_doi               10.1021/om500634a
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C14 H19 Cl3 Ti'
_chemical_formula_sum            'C14 H19 Cl3 Ti'
_chemical_formula_weight         341.54
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.48570(10)
_cell_length_b                   12.4792(2)
_cell_length_c                   16.6603(3)
_cell_measurement_reflns_used    3533
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      5.2
_cell_measurement_theta_min      27.5
_cell_volume                     1556.33(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            3533
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         5.16
_exptl_absorpt_coefficient_mu    1.045
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.868
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Multi-scan from symmetry-related measurements using
Sortav (Blessing 1995)
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
'Flack H D (1983), Acta Cryst. A39, 876-881, 1505 Friedel pairs'
_refine_ls_abs_structure_Flack   0.09(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         3533
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0323
_refine_ls_R_factor_gt           0.0290
_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^)+(0.0350P)^2^+0.5106P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0685
_refine_ls_wR_factor_ref         0.0703
_reflns_number_gt                3321
_reflns_number_total             3533
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om500634a_si_002.cif
_cod_data_source_block           007zrt12
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4084025--4084027.cif.
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_cod_database_code               4084025