Supramolecular Behavior of Adenine with Succinic, Fumaric, and Maleic Acids: Tautomerism, Cocrystallization, Salt Formation, and Solvation
Thompson, Laura J.; Elias, Norhanida; Male, Louise; Tremayne, Maryjane; Crystal Growth & Design 13 (2013) 1464–; doi:10.1021/cg301561j

data_4507490
_publ_section_title
;
 Supramolecular Behavior of Adenine with Succinic, Fumaric, and Maleic
 Acids: Tautomerism, Cocrystallization, Salt Formation, and Solvation
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1464
_journal_paper_doi               10.1021/cg301561j
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C5 H6 N5, C4 H3 O4'
_chemical_formula_sum            'C9 H9 N5 O4'
_chemical_formula_weight         251.21
_chemical_name_systematic
;
Adenine:fumaric acid
;
_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                 94.633(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.61600(10)
_cell_length_b                   13.0730(6)
_cell_length_c                   22.0296(9)
_cell_measurement_reflns_used    15560
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1037.98(7)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean '4096x4096pixels / 62x62mm'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
'Bruker-Nonius APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0778
_diffrn_reflns_av_sigmaI/netI    0.0552
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            10663
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    0.130
_exptl_absorpt_correction_T_max  0.9987
_exptl_absorpt_correction_T_min  0.9795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         1872
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0552
_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^)+(0.0146P)^2^+1.8927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1045
_refine_ls_wR_factor_ref         0.1183
_reflns_number_gt                1550
_reflns_number_total             1872
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            cg301561j_si_004.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 2(1)/c'
_cod_database_code               4507490