Synthesis, Structures, and DFT Bonding Analysis of New Titanium Hydrazido(2-) Complexes
Thomas B. Parsons; Nilay Hazari; Andrew R. Cowley; Jennifer C. Green; Philip Mountford; Inorganic Chemistry 44 (2005) 8442–8458; doi:10.1021/ic051271j

data_4310027
_publ_section_title
;
Synthesis, Structures, and DFT Bonding Analysis of New Titanium
Hydrazido(2-) Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8442
_journal_page_last               8458
_journal_paper_doi               10.1021/ic051271j
_journal_volume                  44
_journal_year                    2005
_chemical_compound_source
;
?
;
_chemical_formula_moiety         ' C8 H26 Cl4 N6 Ti2 '
_chemical_formula_sum            'C8 H26 Cl4 N6 Ti2'
_chemical_formula_weight         443.95
_chemical_name_systematic
; 
Ti2(NNMe2)2Cl4(NHMe2)2
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 94.5104(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9547(2)
_cell_length_b                   14.4471(3)
_cell_length_c                   15.0142(4)
_cell_measurement_reflns_used    22013
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      5
_cell_volume                     1936.36(8)
_computing_cell_refinement
; 
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996) 
;
_computing_data_collection
; 
KappaCCD software 'Collect' (Nonius, 2000) 
;
_computing_data_reduction
; 
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996) 
;
_computing_publication_material
; 
CRYSTALS (Watkin et al, 2001) 
;
_computing_structure_refinement
; 
CRYSTALS (Watkin et al, 2001) 
;
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1992)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
; 
Nonius KappaCCD 
;
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.046
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            22013
_diffrn_reflns_theta_full        27.473
_diffrn_reflns_theta_max         27.473
_diffrn_reflns_theta_min         5.131
_diffrn_standards_decay_%        0.00
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.375
_exptl_absorpt_correction_T_max  0.85
_exptl_absorpt_correction_T_min  0.63
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Denzo/Scalepack (Otwinowski & Minor, 1996) 
;
_exptl_crystal_colour            ' red '
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_description       ' prism '
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_exptl_crystal_thermal_history
; 
The material was crystallised at ambient temperature. A suitable crystal 
was cooled rapidly to 150K for single-crystal X-ray diffraction analysis. 
;
_refine_diff_density_max         0.32
_refine_diff_density_min         -0.41
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0650
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         3025
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.006420
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 0.527 0.267 0.312 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0518
_refine_ls_wR_factor_gt          0.0357
_refine_ls_wR_factor_ref         0.0357
_reflns_limit_h_max              11
_reflns_limit_h_min              -11
_reflns_limit_k_max              18
_reflns_limit_k_min              0
_reflns_limit_l_max              19
_reflns_limit_l_min              0
_reflns_number_gt                3025
_reflns_number_total             4400
_reflns_threshold_expression     I>3.00u(I)
_cod_duplicate_entry             4310000
_cod_data_source_file            ic051271jsi20050728_105607_1.cif
_cod_data_source_block           COMPOUND_2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 21/n 1 '
_cod_original_formula_sum        ' C8 H26 Cl4 N6 Ti2 '
_cod_database_code               4310027