Influence of ligand backbone flexibility in group 4 metal complexes of tetradentate mixed tertiary amine/alkoxide ligands
Day, Joanna K.; Baghurst, Rebecca E.; Strevens, Robert R.; Light, Mark E.; Hursthouse, Michael B.; Stengel, Bruno F.; Fallis, Ian A.; Aldridge, Simon; New Journal of Chemistry 31 (2007) 135–; doi:10.1039/b608680b

data_7052056
_publ_section_title
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 Influence of ligand backbone flexibility in group 4 metal complexes of
 tetradentate mixed tertiary amine/alkoxide ligands
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              135
_journal_paper_doi               10.1039/b608680b
_journal_volume                  31
_journal_year                    2007
_chemical_formula_sum            'C38 H78 N4 O7 Ti2'
_chemical_formula_weight         798.84
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 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                   19.7850(10)
_cell_length_b                   11.7253(4)
_cell_length_c                   19.6134(7)
_cell_measurement_temperature    120(2)
_cell_volume                     4550.0(3)
_computing_cell_refinement       'DENZO (Otwinowski and MInor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO, COLLECT, MAXUS (Mackay et al., 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, et al., 1993)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean '9.091 pixels mm^1^'
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Nonius Kappa CCD Area detector'
_diffrn_measurement_method       '\f and \w scans to fill the asymmetric unit'
_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  0.0809
_diffrn_reflns_av_sigmaI/netI    0.1077
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22572
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.397
_exptl_absorpt_correction_T_max  0.9804
_exptl_absorpt_correction_T_min  0.9149
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.618
_refine_diff_density_min         -0.314
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.40(3)
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     471
_refine_ls_number_reflns         7502
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0607
_refine_ls_shift/su_max          0.025
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0710P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1248
_refine_ls_wR_factor_ref         0.1410
_reflns_number_gt                5240
_reflns_number_total             7502
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608680b.txt
_cod_data_source_block           s92_3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               7052056