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_2300339
_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         'C14 H17 N3 O4 S2, C3 H6 O'
_chemical_formula_sum            'C17 H23 N3 O5 S2'
_chemical_formula_weight         413.50
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 103.305(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.811(4)
_cell_length_b                   17.503(10)
_cell_length_c                   15.892(9)
_cell_measurement_reflns_used    137
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      22.54
_cell_measurement_theta_min      3.48
_cell_volume                     2114(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker GIS'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker APEX2'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      300(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker SMART X2S'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'doubly curved silicon crystal'
_diffrn_radiation_source         'micro-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0340
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_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            19952
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.283
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6649
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.275
_refine_ls_extinction_coef       0.019(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.120
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0453
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0858P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1248
_refine_ls_wR_factor_ref         0.1418
_reflns_number_gt                2806
_reflns_number_total             3694
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            kk5074.cif
_cod_data_source_block           Compound_15_CCDC
_cod_database_code               2300339