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_7052059
_publ_section_title
;
 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            'C22 H48 N2 O4 Ti'
_chemical_formula_weight         452.52
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                93.801(5)
_cell_angle_beta                 98.098(5)
_cell_angle_gamma                112.844(5)
_cell_formula_units_Z            2
_cell_length_a                   8.830(5)
_cell_length_b                   9.726(5)
_cell_length_c                   17.047(5)
_cell_measurement_temperature    120(2)
_cell_volume                     1323.9(11)
_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 0.978
_diffrn_measured_fraction_theta_max 0.978
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0526
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13694
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.98
_exptl_absorpt_coefficient_mu    0.349
_exptl_absorpt_correction_T_max  0.9930
_exptl_absorpt_correction_T_min  0.9025
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.0073(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         4583
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0247P)^2^+1.0046P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0881
_refine_ls_wR_factor_ref         0.0932
_reflns_number_gt                3854
_reflns_number_total             4583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608680b.txt
_cod_data_source_block           s92_2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'Multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7052059