Synthesis of NHC complexes by template controlled cyclization of β-functionalized isocyanides
Flores-Figueroa, Aarón; Kaufhold, Oliver; Feldmann, Kai-Oliver; Hahn, F. Ekkehardt; Dalton Transactions  (2009) 9334–9342; doi:10.1039/b915033a

data_7030696
_publ_section_title
;
 Synthesis of NHC complexes by template controlled cyclization of
 \b-functionalized isocyanides
;
_journal_coden_ASTM              DTARAF
_journal_issue                   42
_journal_name_full               'Dalton Transactions'
_journal_page_first              9334
_journal_page_last               9342
_journal_paper_doi               10.1039/b915033a
_journal_year                    2009
_chemical_formula_moiety         'C12 H18 N6 O3 Re, Cl'
_chemical_formula_sum            'C12 H18 Cl N6 O3 Re'
_chemical_formula_weight         515.97
_space_group_IT_number           205
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P a -3'
_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            8
_cell_length_a                   14.8438(3)
_cell_length_b                   14.8438(3)
_cell_length_c                   14.8438(3)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_volume                     3270.66(11)
_computing_cell_refinement       'APEX2(Bruker AXS, 2007)'
_computing_data_collection       'APEX2(Bruker AXS, 2007)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2007 )'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_structure_refinement
;
SHELXL-97, G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_computing_structure_solution
;
SHELXS-97 , G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0093
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            35498
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.57
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    7.617
_exptl_absorpt_correction_T_max  0.5034
_exptl_absorpt_correction_T_min  0.3453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Corrections were done with the SADABS program, utilizing the none merged
raw data obtained from the integration process. Integration and final cell
refinement were done with SAINT.

SADABS reports ratio of Tmin/Tmax = 0.680718

;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.096
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1984
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.634
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_reflns         1541
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.130
_refine_ls_R_factor_all          0.0185
_refine_ls_R_factor_gt           0.0155
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0131P)^2^+3.5832P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0347
_refine_ls_wR_factor_ref         0.0356
_reflns_number_gt                1383
_reflns_number_total             1541
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7002651
_cod_data_source_file            b915033a.txt
_cod_data_source_block           sada
_cod_original_sg_symbol_Hall     '-P 2ac 2ab'
_cod_original_sg_symbol_H-M      'P a -3 '
_cod_database_code               7030696