Evaluation of the Bruker SMART X2S: crystallography for the nonspecialist?
Eccles, Kevin S.; Stokes, Stephen P.; Daly, Carla A.; Barry, Nicola M.; McSweeney, Sharon P.; O'Neill, Damian J.; Kelly, Dawn M.; Jennings, W. Brian; Ní Dhubhghaill, O. M.; Moynihan, Humphrey A.; Maguire, Anita R.; Lawrence, Simon E.; Journal of Applied Crystallography 44 (2011) 213–215; doi:10.1107/S0021889810042561

data_2300343
_publ_section_title
;
 Evaluation of the Bruker SMART X2S: crystallography for the
 nonspecialist?
;
_journal_coden_ASTM              JACGAR
_journal_coeditor_code           KK5074
_journal_issue                   1
_journal_name_full               'Journal of Applied Crystallography'
_journal_page_first              213
_journal_page_last               215
_journal_paper_doi               10.1107/S0021889810042561
_journal_volume                  44
_journal_year                    2011
_chemical_formula_moiety         'C7 H10 N4 O2 S, H2 O'
_chemical_formula_sum            'C7 H12 N4 O3 S'
_chemical_formula_weight         232.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_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_method           'APEX2 v2010.1-2'
_cell_angle_alpha                90
_cell_angle_beta                 93.297(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.6095(10)
_cell_length_b                   7.3299(15)
_cell_length_c                   12.491(2)
_cell_measurement_reflns_used    58
_cell_measurement_temperature    291.(2)
_cell_measurement_theta_max      20.3137
_cell_measurement_theta_min      4.7817
_cell_volume                     512.74(16)
_computing_cell_refinement       'APEX2 v2010.1-2 (Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2009, 7, 0, 0'
_computing_data_reduction        'SAINT V7.66A (Bruker AXS, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      291.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX II DUO'
_diffrn_measurement_method       '\f & \w  scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_sigmaI/netI    0.0334
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3017
_diffrn_reflns_theta_full        25.83
_diffrn_reflns_theta_max         25.83
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.310
_exptl_absorpt_correction_T_max  0.96
_exptl_absorpt_correction_T_min  0.85
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs Version 2008/1'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.504
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             244
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.222
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.134
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         1940
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0305
_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^)+(0.0366P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0704
_refine_ls_wR_factor_ref         0.0725
_reflns_number_gt                1825
_reflns_number_total             1940
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             2300342
_cod_data_source_file            kk5074.cif
_cod_data_source_block           Compound_16_CCDC
_cod_original_cell_volume        512.74(17)
_cod_database_code               2300343