Role of sp-C−H—N Hydrogen Bonding in Crystal Engineering
Bosch, Eric; Crystal Growth & Design 10 (2010) 3808–; doi:10.1021/cg100707y

data_4501922
_publ_section_title
;
 Role of sp-C&#x2212;H---N Hydrogen Bonding in Crystal Engineering
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3808
_journal_paper_doi               10.1021/cg100707y
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C22 H16 N2'
_chemical_formula_weight         308.37
_chemical_name_common
;
1,2-bis(4'-pyridyl)ethene, 1,4-diethynylbenzene complex
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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                94.2700(10)
_cell_angle_beta                 108.5570(10)
_cell_angle_gamma                107.2010(10)
_cell_formula_units_Z            1
_cell_length_a                   6.0763(6)
_cell_length_b                   8.1851(8)
_cell_length_c                   9.4838(9)
_cell_measurement_reflns_used    1990
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.8533
_cell_measurement_theta_min      2.3056
_cell_volume                     419.69(7)
_computing_cell_refinement       'SAINT V7.60A (Bruker AXS, 2008)'
_computing_data_reduction        'SAINT V7.60A (Bruker AXS, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.3660
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0208
_diffrn_reflns_av_sigmaI/netI    0.0190
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4517
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.88
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs Version 2008/1'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.220
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             162
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.099
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0353
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0459P)^2^+0.0785P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.0935
_reflns_number_gt                1247
_reflns_number_total             1482
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100707y_si_001.cif
_cod_data_source_block           Com4
_cod_database_code               4501922