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_4022616
_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            'C11 H15 N7 O2'
_chemical_formula_weight         277.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 117.007(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   17.3390(10)
_cell_length_b                   19.360(2)
_cell_length_c                   17.462(2)
_cell_measurement_reflns_used    6403
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.14
_cell_measurement_theta_min      2.51
_cell_volume                     5222.5(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker X8 APEX'
_diffrn_measurement_method       'area detector'
_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  0.0773
_diffrn_reflns_av_sigmaI/netI    0.0462
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            69488
_diffrn_reflns_theta_full        22.44
_diffrn_reflns_theta_max         22.44
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.878
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     805
_refine_ls_number_reflns         6772
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.1103
_refine_ls_R_factor_gt           0.0617
_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^)+(0.0871P)^2^+8.3126P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1549
_refine_ls_wR_factor_ref         0.1847
_reflns_number_gt                4285
_reflns_number_total             6772
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061840ksi20060905_070939.cif
_cod_data_source_block           dp007
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4022616