Janus-AT Bases: Synthesis, Self-Assembly, and Solid State Structures
Ali Asadi; Brian O. Patrick; David M. Perrin; Journal of Organic Chemistry 72 (2007) 466–475; doi:10.1021/jo061840k

data_4022621
_publ_section_title
;
 Janus-AT Bases: Synthesis, Self-Assembly, and Solid State Structures
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              466
_journal_page_last               475
_journal_paper_doi               10.1021/jo061840k
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C14 H20 N4 O4 S'
_chemical_formula_weight         340.40
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 113.2210(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.312(2)
_cell_length_b                   8.6717(5)
_cell_length_c                   15.2589(8)
_cell_measurement_temperature    173(2)
_cell_volume                     3321.2(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16960
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.220
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1440
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         2941
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0700P)^2^+2.5007P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1192
_reflns_number_gt                2392
_reflns_number_total             2941
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061840ksi20060905_071038.cif
_cod_data_source_block           dp014
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4022621