'Janus-type' organopotassium chemistry observed in deprotonation of mesoionic imidazolium aminides and amino N-heterocyclic carbenes: coordination and organometallic polymers
Andreas A. Danopoulos; Pierre Braunstein; Chem.Commun. 50 (2014) 3055–; doi:10.1039/c3cc49517e

data_7112080
_publ_section_title
;
 'Janus-type' organopotassium chemistry observed in deprotonation of
 mesoionic imidazolium aminides and amino N-heterocyclic carbenes:
 coordination and organometallic polymers
;
_journal_name_full               Chem.Commun.
_journal_page_first              3055
_journal_paper_doi               10.1039/c3cc49517e
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C33 H46 K N3'
_chemical_formula_sum            'C33 H46 K N3'
_chemical_formula_weight         523.83
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 100.135(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.871(4)
_cell_length_b                   13.134(2)
_cell_length_c                   23.056(4)
_cell_measurement_reflns_used    5663
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.93
_cell_measurement_theta_min      2.43
_cell_volume                     6221.5(19)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  triumph
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1190
_diffrn_reflns_av_sigmaI/netI    0.1042
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            35945
_diffrn_reflns_theta_full        28.06
_diffrn_reflns_theta_max         28.06
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.195
_exptl_absorpt_correction_T_max  0.9770
_exptl_absorpt_correction_T_min  0.9438
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.119
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     350
_refine_ls_number_reflns         7508
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1378
_refine_ls_R_factor_gt           0.0658
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0876P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1445
_refine_ls_wR_factor_ref         0.1783
_reflns_number_gt                4123
_reflns_number_total             7508
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3cc49517e2.cif
_cod_data_source_block           complex12
_cod_original_cell_volume        6221.2(19)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7112080