Cube-Type Nitrido Complexes Containing Titanium and Alkali/Alkaline-Earth Metals
Avelino Martín; Miguel Mena; Adrián Pérez-Redondo; Carlos Yélamos; Inorganic Chemistry 43 (2004) 2491–2498; doi:10.1021/ic035493y

data_4310879
_publ_section_title
;
 Cube-Type Nitrido Complexes Containing Titanium and Alkali/Alkaline-Earth
 Metals
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2491
_journal_page_last               2498
_journal_paper_doi               10.1021/ic035493y
_journal_volume                  43
_journal_year                    2004
_chemical_formula_moiety         'C60 H95 K N8 Ti6'
_chemical_formula_sum            'C60 H95 K N8 Ti6'
_chemical_formula_weight         1254.94
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.2
_audit_creation_date             2003-07-21T15:59:37-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   18.5226(17)
_cell_length_b                   18.5226(17)
_cell_length_c                   15.4736(15)
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      21
_cell_measurement_theta_min      3.5
_cell_volume                     4597.5(7)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       X=UH
_diffrn_orient_matrix_UB_11      0.01
_diffrn_orient_matrix_UB_12      0
_diffrn_orient_matrix_UB_13      0
_diffrn_orient_matrix_UB_21      0
_diffrn_orient_matrix_UB_22      0.01
_diffrn_orient_matrix_UB_23      0
_diffrn_orient_matrix_UB_31      0
_diffrn_orient_matrix_UB_32      0
_diffrn_orient_matrix_UB_33      0.01
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1514
_diffrn_reflns_av_unetI/netI     0.0822
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18910
_diffrn_reflns_reduction_process
;
 Scaled and merged with SORTAV
 R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
 R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         5.25
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.856
_exptl_absorpt_correction_T_max  0.853
_exptl_absorpt_correction_T_min  0.615
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
   P. Coppens, L. Leiserowitz, D Rabinovich, Acta Cryst.
   (1965), 18, 1035-1038
;
_exptl_crystal_colour            ' dark green'
_exptl_crystal_density_diffrn    1.36
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1986
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.632
_refine_diff_density_min         -0.633
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         2322
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.03
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0201P)^2^+16.6572P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1138
_reflns_number_gt                1901
_reflns_number_total             2322
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic035493ysi20031230_055534_1.cif
_cod_data_source_block           8
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4310879