Comparison of silver and molybdenum microfocus X-ray sources for single-crystal structure determination
Krause, Lennard; Herbst-Irmer, Regine; Sheldrick, George M.; Stalke, Dietmar; Journal of Applied Crystallography 48 (2015) –; doi:10.1107/S1600576714022985

data_2300486
_publ_section_title
;
 Comparison of silver and molybdenum microfocus X-ray sources for
 single-crystal structure determination
;
_journal_coeditor_code           aj5242
_journal_issue                   1
_journal_name_full               'Journal of Applied Crystallography'
_journal_paper_doi               10.1107/S1600576714022985
_journal_volume                  48
_journal_year                    2015
_chemical_formula_moiety         'Pt7 Sc4 Si2'
_chemical_formula_sum            'Pt7 Sc4 Si2'
_chemical_formula_weight         1601.65
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           55
_space_group_name_Hall           '-P 2 2ab'
_space_group_name_H-M_alt        'P b a m'
_symmetry_space_group_name_Hall  '-P 2 2ab'
_symmetry_space_group_name_H-M   'P b a m'
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.447(2)
_cell_length_b                   16.121(3)
_cell_length_c                   3.982(2)
_cell_measurement_reflns_used    9937
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      55.818
_cell_measurement_theta_min      2.5275
_cell_volume                     413.9(3)
_computing_cell_refinement       'SAINT V7.68A'
_computing_data_collection       'APEX2 v2012.2'
_computing_data_reduction        'SAINT V7.68A'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2012 (Sheldrick, 2012)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart APEX II Quazar'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0473
_diffrn_reflns_av_unetI/netI     0.0193
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            48679
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         56.062
_diffrn_reflns_theta_min         2.527
_diffrn_source                   'INCOATEC Microsource'
_exptl_absorpt_coefficient_mu    121.037
_exptl_absorpt_correction_T_max  0.1756
_exptl_absorpt_correction_T_min  0.0397
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2014/4
_exptl_crystal_density_diffrn    12.853
_exptl_crystal_F_000             1316
_exptl_crystal_size_max          0.060
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.020
_refine_diff_density_max         8.767
_refine_diff_density_min         -4.378
_refine_diff_density_rms         0.896
_refine_ls_extinction_coef       0.00051(8)
_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   1.286
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     42
_refine_ls_number_reflns         2976
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.286
_refine_ls_R_factor_all          0.0262
_refine_ls_R_factor_gt           0.0257
_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^)+(0.0265P)^2^+6.5030P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0675
_refine_ls_wR_factor_ref         0.0678
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2933
_reflns_number_total             2976
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            aj5242sup1.cif
_cod_data_source_block           1-(Mo)
_cod_database_code               2300486
_cod_database_fobs_code          2300486
_shelx_estimated_absorpt_t_min   0.052
_shelx_estimated_absorpt_t_max   0.196
_shelxl_version_number           2014-3
_shelx_res_checksum              73090
_shelx_hkl_checksum              98881