A structural, theoretical and coordinative evaluation of the bicyclic guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene
Khalaf, Majid S.; Coles, Martyn P.; Hitchcock, Peter B.; Dalton Transactions  (2008) 4288–4295; doi:10.1039/b806510a

data_7004392
_publ_section_title
;
 A structural, theoretical and coordinative evaluation of the bicyclic
 guanidinate derived from 1,4,6-triazabicyclo[3.3.0]oct-4-ene
;
_journal_issue                   32
_journal_name_full               'Dalton Transactions'
_journal_page_first              4288
_journal_page_last               4295
_journal_paper_doi               10.1039/b806510a
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C14 H28 Al2 N6'
_chemical_formula_sum            'C14 H28 Al2 N6'
_chemical_formula_weight         334.38
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_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             2007-08-10T14:02:16-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                99.825(2)
_cell_angle_beta                 103.853(2)
_cell_angle_gamma                114.523(1)
_cell_formula_units_Z            2
_cell_length_a                   8.5214(2)
_cell_length_b                   10.1796(3)
_cell_length_c                   12.2236(2)
_cell_measurement_reflns_used    9271
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.022
_cell_measurement_theta_min      3.395
_cell_measurement_wavelength     0.71073
_cell_volume                     891.79(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.29314E-2
_diffrn_orient_matrix_UB_12      0.669751E-1
_diffrn_orient_matrix_UB_13      -0.514131E-1
_diffrn_orient_matrix_UB_21      -0.135901
_diffrn_orient_matrix_UB_22      -0.408178E-1
_diffrn_orient_matrix_UB_23      -0.216849E-1
_diffrn_orient_matrix_UB_31      0.205933E-1
_diffrn_orient_matrix_UB_32      0.819066E-1
_diffrn_orient_matrix_UB_33      0.68687E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13658
_diffrn_reflns_theta_full        26.05
_diffrn_reflns_theta_max         26.05
_diffrn_reflns_theta_min         3.64
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.169
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3495
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0455P)^2^+0.4610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0958
_refine_ls_wR_factor_ref         0.0978
_reflns_number_gt                3242
_reflns_number_total             3495
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806510a.txt
_cod_data_source_block           (2)-aug807
_cod_database_code               7004392