Supramolecular structures of six adenine-carboxylic acid complexes
Byres, Maureen; Cox, Philip J.; Kay, Graeme; Nixon, Elaine; CrystEngComm 11 (2009) 135–; doi:10.1039/b811243f

data_7200241
_publ_section_title
;
 Supramolecular structures of six adenine-carboxylic acid complexes
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              135
_journal_paper_doi               10.1039/b811243f
_journal_volume                  11
_journal_year                    2009
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety
;
C7 H5 O4 1-, C5 H6 N5 1+, H2 O1
;
_chemical_formula_sum            'C12 H13 N5 O5'
_chemical_formula_weight         307.27
_chemical_name_systematic
;
Adenine 2,6-dihydroxybenzoate hydrate
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-02-12T14:29:15-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 118.59
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.9541(2)
_cell_length_b                   15.2160(6)
_cell_length_c                   7.0195(3)
_cell_measurement_reflns_used    8129
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_measurement_wavelength     0.71073
_cell_volume                     652.19(4)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
;
DENZO (Otwinowski and Minor, 1997), COLLECT (Hooft, 1998)
;
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics
;
PLATON (Spek,2002)
;
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al.,1999)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
;
Bruker-Nonius KappaCCD Area Detector
;
_diffrn_measurement_method
;
\f and \w scans
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0391
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8951
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.34
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9755
_exptl_absorpt_correction_T_min  0.7715
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.565
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.381
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.087
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         1538
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0434P)^2^+2.1292P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1583
_refine_ls_wR_factor_ref         0.1598
_reflns_number_gt                1468
_reflns_number_total             1538
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b811243f.txt
_cod_data_source_block           ad26h
_cod_original_cell_volume        652.20(4)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7200241