Bisalkynylated 3,6-diiminocyclohexa-1,4-diene-1,4-diamine
Philipp Biegger; Manuel Schaffroth; Kerstin Brodner; Olena Tverskoy; Frank Rominger; Uwe H. F. Bunz; Chem.Commun. 51 (2015) 14844–; doi:10.1039/C5cc05427C

data_7117851
_publ_section_title
;
 Bisalkynylated 3,6-diiminocyclohexa-1,4-diene-1,4-diamine
;
_journal_name_full               Chem.Commun.
_journal_page_first              14844
_journal_paper_doi               10.1039/C5cc05427C
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C19 H28 N4 Si'
_chemical_formula_weight         340.54
_chemical_name_common            '8 in manuscript'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-06-23 deposited with the CCDC.
2015-07-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 116.744(5)
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   37.446(8)
_cell_length_b                   7.8246(18)
_cell_length_c                   30.575(7)
_cell_measurement_reflns_used    571
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      14.52
_cell_measurement_theta_min      2.21
_cell_volume                     8000(3)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II Quazar area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1858
_diffrn_reflns_av_unetI/netI     0.1107
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15868
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        17.222
_diffrn_reflns_theta_max         17.222
_diffrn_reflns_theta_min         1.218
_diffrn_source                   'ImuS microsource'
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9562
_exptl_absorpt_correction_T_min  0.8220
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2008). <i>SADABS</i>. University of G\"ottingen, Germany.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_description       needle
_exptl_crystal_F_000             2944
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.225
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.055
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     474
_refine_ls_number_reflns         2428
_refine_ls_number_restraints     1175
_refine_ls_restrained_S_all      0.870
_refine_ls_R_factor_all          0.1419
_refine_ls_R_factor_gt           0.0657
_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^)+(0.0526P)^2^+60.2147P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1739
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1347
_reflns_number_total             2428
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc05427c2.cif
_cod_data_source_block           keb2
_cod_database_code               7117851
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.990
_shelx_estimated_absorpt_t_max   0.996
_shelx_res_checksum              42659