#------------------------------------------------------------------------------
#$Date: 2025-08-22 10:56:18 +0200 (Fri, 22 Aug 2025) $
#$Revision: 301860 $
#$URL: svn://saulius.grazulis.lt/cod-secondary/cif/7/12/57/7125745.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7125745
loop_
_publ_author_name
'Kureja, Kunal'
'Zinke, Julian'
'Bruhn, Clemens'
'Siemeling, Ulrich'
_publ_section_title
;
 Imidazolium-benzimidazolates as convenient sources of
 donor-functionalised normal and abnormal N-heterocyclic carbenes.
;
_journal_issue                   65
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              9705
_journal_page_last               9708
_journal_paper_doi               10.1039/c9cc05283f
_journal_volume                  55
_journal_year                    2019
_chemical_formula_sum            'C13 H14 N4 Se'
_chemical_formula_weight         305.24
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-07-08 deposited with the CCDC.	2019-07-19 downloaded from the CCDC.
;
_cell_angle_alpha                77.256(5)
_cell_angle_beta                 77.551(5)
_cell_angle_gamma                63.341(5)
_cell_formula_units_Z            2
_cell_length_a                   7.1160(5)
_cell_length_b                   7.0723(4)
_cell_length_c                   14.8576(10)
_cell_measurement_reflns_used    19276
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.49
_cell_measurement_theta_min      2.83
_cell_volume                     645.92(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 Pilatus200K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            'DECTRIS PILATUS 200K'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details      ' 724 frames, detector distance = 40 mm'
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, ω scans'
_diffrn_radiation_collimation    '1.2 0.6 mm diameter'
_diffrn_radiation_monochromator  'Graded multilayer mirror'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_unetI/netI     0.0278
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8538
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.486
_diffrn_reflns_theta_min         2.837
_diffrn_source                   'Mo Genix'
_diffrn_source_current           1.000
_diffrn_source_power             0.050
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    2.894
_exptl_absorpt_correction_T_max  0.9170
_exptl_absorpt_correction_T_min  0.5852
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
STOE X-Red32, absorption correction by Gaussian integration, analogous to
P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal
Structure Analysis", published in
F. R. Ahmed (Editor), "Crystallographic Computing",
Munksgaard, Copenhagen (1970), 255 - 270
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.569
_exptl_crystal_description       plate
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.415
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2398
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0431P)²+0.6337P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0723
_refine_ls_wR_factor_ref         0.0753
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2195
_reflns_number_total             2398
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c9cc05283f2.cif
_cod_data_source_block           sv0430
_cod_database_code               7125745
_shelx_shelxl_version_number     2014/7
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_min   0.391
_shelx_estimated_absorpt_t_max   0.918
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y, -z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
C1 C 0.5645(4) 0.6302(4) 0.74464(17) 0.0171(5) Uani 1 1 d . .
C2 C 0.8761(4) 0.5770(4) 0.65053(19) 0.0198(5) Uani 1 1 d . .
H2A H 0.9765 0.5710 0.5962 0.024 Uiso 1 1 calc R U
C3 C 0.9161(4) 0.5226(4) 0.73889(19) 0.0214(5) Uani 1 1 d . .
H3A H 1.0509 0.4718 0.7588 0.026 Uiso 1 1 calc R U
C4 C 0.5656(4) 0.7082(4) 0.57099(18) 0.0173(5) Uani 1 1 d . .
C5 C 0.3389(4) 0.7864(4) 0.47496(18) 0.0187(5) Uani 1 1 d . .
C6 C 0.5315(4) 0.7871(4) 0.42757(18) 0.0191(5) Uani 1 1 d . .
C7 C 0.5572(5) 0.8377(4) 0.33092(19) 0.0220(6) Uani 1 1 d . .
H7A H 0.6852 0.8427 0.2977 0.026 Uiso 1 1 calc R U
C8 C 0.3891(5) 0.8806(4) 0.28484(19) 0.0248(6) Uani 1 1 d . .
H8A H 0.4029 0.9151 0.2189 0.030 Uiso 1 1 calc R U
C9 C 0.2000(5) 0.8743(4) 0.3333(2) 0.0239(6) Uani 1 1 d . .
H9A H 0.0891 0.9027 0.2994 0.029 Uiso 1 1 calc R U
C10 C 0.1697(4) 0.8279(4) 0.42932(19) 0.0216(6) Uani 1 1 d . .
H10A H 0.0408 0.8245 0.4623 0.026 Uiso 1 1 calc R U
C11 C 0.7059(4) 0.5031(4) 0.89827(18) 0.0226(6) Uani 1 1 d . .
H11A H 0.5583 0.5162 0.9212 0.027 Uiso 1 1 calc R U
C12 C 0.8576(6) 0.2745(5) 0.9272(2) 0.0431(9) Uani 1 1 d . .
H12A H 0.8374 0.2404 0.9952 0.052 Uiso 1 1 calc R U
H12B H 1.0039 0.2571 0.9057 0.052 Uiso 1 1 calc R U
H12C H 0.8296 0.1778 0.8993 0.052 Uiso 1 1 calc R U
C13 C 0.7360(6) 0.6629(5) 0.9398(2) 0.0360(7) Uani 1 1 d . .
H13C H 0.6318 0.8074 0.9203 0.043 Uiso 1 1 calc R U
H13B H 0.8796 0.6540 0.9182 0.043 Uiso 1 1 calc R U
H13A H 0.7161 0.6309 1.0079 0.043 Uiso 1 1 calc R U
N1 N 0.3656(4) 0.7357(3) 0.56898(16) 0.0178(4) Uani 1 1 d . .
H1 H 0.283(5) 0.723(5) 0.614(2) 0.021 Uiso 1 1 d . U
N2 N 0.6740(3) 0.7359(3) 0.49030(15) 0.0186(5) Uani 1 1 d . .
N3 N 0.6582(3) 0.6442(3) 0.65364(15) 0.0175(4) Uani 1 1 d . .
N4 N 0.7261(4) 0.5534(3) 0.79619(15) 0.0203(5) Uani 1 1 d . .
Se1 Se 0.28208(4) 0.70404(4) 0.79030(2) 0.02123(11) Uani 1 1 d . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Se Se -0.0929 2.2259 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
N4 C1 N3 104.9(2)
N4 C1 Se1 126.1(2)
N3 C1 Se1 129.01(18)
C3 C2 N3 106.7(2)
C3 C2 H2A 126.6
N3 C2 H2A 126.6
C2 C3 N4 107.9(2)
C2 C3 H3A 126.0
N4 C3 H3A 126.0
N2 C4 N1 115.9(2)
N2 C4 N3 120.9(2)
N1 C4 N3 123.1(2)
C10 C5 N1 132.3(3)
C10 C5 C6 122.8(2)
N1 C5 C6 104.9(2)
C7 C6 N2 129.4(3)
C7 C6 C5 119.9(2)
N2 C6 C5 110.6(2)
C8 C7 C6 117.7(3)
C8 C7 H7A 121.1
C6 C7 H7A 121.1
C7 C8 C9 121.4(3)
C7 C8 H8A 119.3
C9 C8 H8A 119.3
C10 C9 C8 121.9(3)
C10 C9 H9A 119.1
C8 C9 H9A 119.1
C9 C10 C5 116.2(3)
C9 C10 H10A 121.9
C5 C10 H10A 121.9
N4 C11 C13 110.5(2)
N4 C11 C12 110.2(2)
C13 C11 C12 112.9(2)
N4 C11 H11A 107.7
C13 C11 H11A 107.7
C12 C11 H11A 107.7
C11 C12 H12A 109.5
C11 C12 H12B 109.5
H12A C12 H12B 109.5
C11 C12 H12C 109.5
H12A C12 H12C 109.5
H12B C12 H12C 109.5
C11 C13 H13C 109.5
C11 C13 H13B 109.5
H13C C13 H13B 109.5
C11 C13 H13A 109.5
H13C C13 H13A 109.5
H13B C13 H13A 109.5
C4 N1 C5 105.5(2)
C4 N1 H1 125(2)
C5 N1 H1 130(2)
C4 N2 C6 103.1(2)
C1 N3 C2 110.0(2)
C1 N3 C4 129.2(2)
C2 N3 C4 120.7(2)
C1 N4 C3 110.4(2)
C1 N4 C11 125.3(2)
C3 N4 C11 124.3(2)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 N4 1.356(3)
C1 N3 1.376(3)
C1 Se1 1.843(3)
C2 C3 1.339(4)
C2 N3 1.396(3)
C2 H2A 0.9500
C3 N4 1.386(4)
C3 H3A 0.9500
C4 N2 1.305(3)
C4 N1 1.354(3)
C4 N3 1.408(3)
C5 C10 1.394(4)
C5 N1 1.396(3)
C5 C6 1.401(4)
C6 C7 1.394(4)
C6 N2 1.399(3)
C7 C8 1.388(4)
C7 H7A 0.9500
C8 C9 1.398(4)
C8 H8A 0.9500
C9 C10 1.383(4)
C9 H9A 0.9500
C10 H10A 0.9500
C11 N4 1.470(3)
C11 C13 1.512(4)
C11 C12 1.514(4)
C11 H11A 1.0000
C12 H12A 0.9800
C12 H12B 0.9800
C12 H12C 0.9800
C13 H13C 0.9800
C13 H13B 0.9800
C13 H13A 0.9800
N1 H1 0.81(3)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 168351632
