Probing Hydrogen Bond Energies by Mass Spectrometry
Hai-Feng Su; Lan Xue; Yun-Hua Li; Shui-Chao Lin; Yi-Mei Wen; Rong-Bin Huang; Su-Yuan Xie; Lan-Sun Zheng; Journal of the American Chemical Society 135 (2013) 6122–6129; doi:10.1021/ja312133k

data_4119602
_publ_contact_author
;
      Xie, SuYuan 
      Department of Chemistry
      Xiamen University
      Xiamen, 361005
      P. R. China
;
_publ_contact_author_email       syxie@xmu.edu.cn
_publ_contact_author_fax         86-592-2183047
_publ_contact_author_phone       86-592-2183047
_publ_section_title
;
 Probing Hydrogen Bond Energies by Mass Spectrometry
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6122
_journal_page_last               6129
_journal_paper_doi               10.1021/ja312133k
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C22 H26 N4 O4 S2'
_chemical_formula_weight         474.59
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.001(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.418(5)
_cell_length_b                   6.623(2)
_cell_length_c                   13.418(5)
_cell_measurement_temperature    173(2)
_cell_volume                     1120.5(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6168
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    0.275
_exptl_absorpt_correction_T_max  0.8979
_exptl_absorpt_correction_T_min  0.8523
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.397
_refine_diff_density_min         -0.386
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     149
_refine_ls_number_reflns         2189
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0708P)^2^+0.7060P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1280
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                2073
_reflns_number_total             2189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja312133k_5.cif
_cod_data_source_block           p4
_cod_original_cell_volume        1120.6(7)
_cod_database_code               4119602