Structural and theoretical investigation of 2-iminoimidazolines–carbene analogues of iminophosphoranes.
Tamm, Matthias; Petrovic, Dejan; Randoll, Sören; Beer, Stephan; Bannenberg, Thomas; Jones, Peter G.; Grunenberg, Jörg; Organic & biomolecular chemistry 5 (2007) 523–530; doi:10.1039/b615418b

data_7151055
_publ_section_title
;
 Structural and theoretical investigation of
 2-iminoimidazolines--carbene analogues of iminophosphoranes.
;
_journal_issue                   3
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              523
_journal_page_last               530
_journal_paper_doi               10.1039/b615418b
_journal_volume                  5
_journal_year                    2007
_chemical_formula_moiety         'C11 H21 N3'
_chemical_formula_sum            'C11 H21 N3'
_chemical_formula_weight         195.31
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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
_cell_angle_beta                 92.2557(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5606(2)
_cell_length_b                   16.9628(4)
_cell_length_c                   9.1745(2)
_cell_measurement_reflns_used    1119
_cell_measurement_temperature    173
_cell_measurement_theta_max      2.40
_cell_measurement_theta_min      25.40
_cell_volume                     1175.71(5)
_computing_cell_refinement       'DENZO (Nonius, 2001b)'
_computing_data_collection       'Kappa-CCD Control Software (Nonius, 2001a)'
_computing_data_reduction        'DENZO (Nonius, 2001b)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1998)'
_computing_structure_solution    'SIR92 (Altomare, 1994)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Nonius \k-CCD diffractometer'
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'NONIUS FR 591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            1080
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         2.40
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.976
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.103
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       fragment
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.092
_refine_diff_density_min         -0.156
_refine_diff_density_rms         0.028
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         1080
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(Fo^2^)+(0.0346P)^2^+0.2752P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0657
_refine_ls_wR_factor_ref         0.0673
_reflns_number_gt                1024
_reflns_number_total             1080
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b615418b.txt
_cod_data_source_block           dpet4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               7151055