Synthesis and structures of titanium and yttrium complexes with N,N′-tetramethylguanidinate ligands: different reactivity of the M‒N bonds toward phenyl isocyanate
Zhang, Jie; Han, Fuyan; Han, Yanan; Chen, Zhenxia; Zhou, Xigeng; Dalton Transactions  (2009) 1806–1811; doi:10.1039/b817776g

data_7000678
_publ_section_title
;
 Synthesis and structures of titanium and yttrium complexes with
 N,N&#x2032;-tetramethylguanidinate ligands: different reactivity of
 the M--N bonds toward phenyl isocyanate
;
_journal_issue                   10
_journal_name_full               'Dalton Transactions'
_journal_page_first              1806
_journal_page_last               1811
_journal_paper_doi               10.1039/b817776g
_journal_year                    2009
_chemical_formula_sum            'C26 H35 N4 O2 Y'
_chemical_formula_weight         524.49
_chemical_name_systematic
;
?
;
_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                97.490(5)
_cell_angle_beta                 92.561(5)
_cell_angle_gamma                99.995(4)
_cell_formula_units_Z            2
_cell_length_a                   8.832(3)
_cell_length_b                   10.901(4)
_cell_length_c                   13.927(5)
_cell_measurement_reflns_used    729
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.617
_cell_measurement_theta_min      2.686
_cell_volume                     1306.1(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0633
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6036
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         1.92
_diffrn_standards_decay_%        3.23
_exptl_absorpt_coefficient_mu    2.261
_exptl_absorpt_correction_T_max  0.8055
_exptl_absorpt_correction_T_min  0.6606
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.784
_refine_diff_density_min         -0.386
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         5033
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0813
_refine_ls_R_factor_gt           0.0549
_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^)+(0.0886P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1301
_refine_ls_wR_factor_ref         0.1450
_reflns_number_gt                3790
_reflns_number_total             5033
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b817776g.txt
_cod_data_source_block           f40524a
_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 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7000678