Isolation of C?H?C(?) complexes from the reaction of stable carbenes with hydrocarbons
Filipponi, Silvia; Jones, Jamie N.; Johnson, Jennifer A.; Cowley, Alan H.; Grepioni, Fabrizia; Braga, Dario; Chemical Communications  (2003) 2716–; doi:10.1039/b309168f

data_7113668
_publ_section_title
;
 Isolation of C?H?C(?) complexes from the reaction of stable carbenes with
 hydrocarbons
;
_journal_issue                   21
_journal_name_full               'Chemical Communications'
_journal_page_first              2716
_journal_paper_doi               10.1039/b309168f
_journal_year                    2003
_chemical_formula_sum            'C23 H32 N4'
_chemical_formula_weight         364.52
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                77.92(3)
_cell_angle_beta                 64.47(3)
_cell_angle_gamma                79.29(3)
_cell_formula_units_Z            1
_cell_length_a                   8.0705(16)
_cell_length_b                   8.4239(17)
_cell_length_c                   8.6894(17)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      2.96
_cell_volume                     518.2(2)
_computing_cell_refinement       DENZO
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        Scalepack
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'WinGX (Farrugia, 1999)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Kappa CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0684
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3530
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9861
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.168
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             198
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   5(4)
_refine_ls_extinction_coef       0.135(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         3530
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0886
_refine_ls_R_factor_gt           0.0584
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0595P)^2^+0.2225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1273
_refine_ls_wR_factor_ref         0.1434
_reflns_number_gt                2660
_reflns_number_total             3530
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b309168f.txt
_cod_data_source_block           p1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        518.19(18)
_cod_original_sg_symbol_H-M      P1
_cod_original_formula_sum        'C11.50 H16 N2'
_cod_database_code               7113668