A Family of Heteroleptic Titanium Guanidinates: Synthesis, Thermolysis, and Surface Reactivity
Yamile A. Wasslen; Eva Tois; Suvi Haukka; Kevin A. Kreisel; Glenn P. A. Yap; Mathew D. Halls; Seán T. Barry; Inorganic Chemistry 49 (2010) 1976–1982; doi:10.1021/ic902411h

data_4314925
_publ_section_title
;
 A Family of Heteroleptic Titanium Guanidinates: Synthesis, Thermolysis,
 and Surface Reactivity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1976
_journal_page_last               1982
_journal_paper_doi               10.1021/ic902411h
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C19 H30 N3 Ti'
_chemical_formula_weight         348.36
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           138
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4ac 2ac'
_symmetry_space_group_name_H-M   'P 42/n c m :2'
_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                   8.1809(6)
_cell_length_b                   8.1809(6)
_cell_length_c                   28.121(4)
_cell_measurement_reflns_used    1022
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      20.99
_cell_measurement_theta_min      2.88
_cell_volume                     1882.1(3)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_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  0.0845
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            17093
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.88
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.458
_exptl_absorpt_correction_T_max  0.9135
_exptl_absorpt_correction_T_min  0.8925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            'light blue'
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.635
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     79
_refine_ls_number_reflns         1290
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0578
_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^)+(0.1500P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1901
_refine_ls_wR_factor_ref         0.2128
_reflns_number_gt                921
_reflns_number_total             1290
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902411h_si_001_3.cif
_cod_data_source_block           seab030
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        1882.0(3)
_cod_original_sg_symbol_H-M      'P 42/n c m'
_cod_database_code               4314925