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_7117850
_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            'C28 H48 N4 Si2'
_chemical_formula_weight         496.88
_chemical_name_common            '6 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   mixed
_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                 132.098(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.958(2)
_cell_length_b                   14.9301(16)
_cell_length_c                   14.7268(16)
_cell_measurement_reflns_used    3027
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.73
_cell_volume                     3256.1(6)
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0500
_diffrn_reflns_av_unetI/netI     0.0435
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_number            10051
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.037
_diffrn_reflns_theta_max         25.037
_diffrn_reflns_theta_min         1.937
_diffrn_source                   'ImuS microsource'
_exptl_absorpt_coefficient_mu    0.129
_exptl_absorpt_correction_T_max  0.957878
_exptl_absorpt_correction_T_min  0.672858
_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            orange
_exptl_crystal_density_diffrn    1.014
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         2866
_refine_ls_number_restraints     570
_refine_ls_restrained_S_all      1.137
_refine_ls_R_factor_all          0.1226
_refine_ls_R_factor_gt           0.0863
_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^)+(0.0842P)^2^+8.3942P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2388
_refine_ls_wR_factor_ref         0.2535
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1938
_reflns_number_total             2866
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc05427c2.cif
_cod_data_source_block           keb5
_cod_database_code               7117850
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.977
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              43161