Crystal structures of five 6-mercaptopurine derivatives
Gomes, Lígia R.; Low, John Nicolson; Magalhães e Silva, Diogo; Cagide, Fernando; Borges, Fernanda; Acta Crystallographica Section E 72 (2016) 307–313; doi:10.1107/S2056989016001833

data_2241543
_publ_section_title
;
 Crystal structures of five 6-mercaptopurine derivatives
;
_journal_coeditor_code           HB7562
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              307
_journal_page_last               313
_journal_paper_doi               10.1107/S2056989016001833
_journal_volume                  72
_journal_year                    2016
_chemical_formula_iupac          'C15 H11 Br N4 O2 S'
_chemical_formula_moiety         'C15 H11 Br N4 O2 S'
_chemical_formula_sum            'C15 H11 Br N4 O2 S'
_chemical_formula_weight         391.25
_chemical_name_systematic
;
2-[(9-Acetyl-9<i>H</i>-purin-6-yl)sulfanyl]-1-(4-bromophenyl)ethan-1-one
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 96.580(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.0705(4)
_cell_length_b                   10.0668(7)
_cell_length_c                   24.3492(17)
_cell_measurement_reflns_used    18109
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.5
_cell_volume                     1478.19(18)
_computing_cell_refinement
;
<i>CrystalClear-SM Expert</i> (Rigaku, 2012)
;
_computing_data_collection
;
<i>CrystalClear-SM Expert</i> (Rigaku, 2012)
;
_computing_data_reduction
;
<i>CrystalClear-SM Expert</i> (Rigaku, 2012)
;
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i>,  2006)
;
_computing_publication_material
;
OSCAIL (McArdle <i>et al.</i>,  2004),
SHELXL2014 (Sheldrick, 2015b) and
PLATON (Spek, 2009)
;
_computing_structure_refinement
;
OSCAIL (McArdle <i>et al.</i>,  2004),
<i>ShelXle</i> (H\"ubschle <i>et al.</i>,  2011) and
SHELXL2014 (Sheldrick, 2015b)
;
_computing_structure_solution
;
OSCAIL (McArdle <i>et al.</i>,  2004) and
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            18171
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.469
_diffrn_reflns_theta_min         2.633
_exptl_absorpt_coefficient_mu    2.937
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.658
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
<i>CrystalClear-SM Expert</i> (Rigaku, 20112)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.758
_exptl_crystal_description       plate
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.020
_refine_diff_density_max         2.905
_refine_diff_density_min         -0.922
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3346
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0616
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1178P)^2^+0.3580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1473
_refine_ls_wR_factor_ref         0.1533
_reflns_number_gt                2944
_reflns_number_total             3346
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hb7562sup1.cif
_cod_data_source_block           4
_cod_database_code               2241543
_cod_database_fobs_code          2241543
_shelx_estimated_absorpt_t_min   0.667
_shelx_estimated_absorpt_t_max   0.944
_shelx_hkl_checksum              43441
_shelx_res_checksum              63290