Mixed valence and metamagnetism in a metal flux grown compound Eu2Pt3Si5
Sarkar, Sumanta; Subbarao, Udumula; Joseph, Boby; Peter, Sebastian C.; Journal of Solid State Chemistry 225 (2015) 181–186; doi:10.1016/j.jssc.2014.12.023

data_1562017
_publ_section_title
;
 Mixed valence and metamagnetism in a metal flux grown compound Eu2Pt3Si5
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              181
_journal_page_last               186
_journal_paper_doi               10.1016/j.jssc.2014.12.023
_journal_volume                  225
_journal_year                    2015
_chemical_formula_sum            'Eu2 Pt3 Si5'
_chemical_formula_weight         1029.64
_chemical_name_common            Eu2Pt3Si5
_space_group_IT_number           72
_space_group_name_Hall           '-I 2 2c'
_space_group_name_H-M_alt        'I b a m'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'I b a m'
_atom_sites_solution_hydrogens   .
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.007(2)
_cell_length_b                   11.666(2)
_cell_length_c                   6.0011(12)
_cell_measurement_reflns_used    1989
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.7
_cell_volume                     700.6(2)
_computing_cell_refinement       'SMART APEX II'
_computing_data_collection       'SMART APEX II (Bruker,2010)'
_computing_data_reduction        'SAINT (Bruker,2000)'
_computing_molecular_graphics    'Ortep-3v2 for windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0350
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            4027
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    78.077
_exptl_absorpt_correction_T_max  0.044
_exptl_absorpt_correction_T_min  0.000
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            metallic
_exptl_crystal_density_diffrn    9.762
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1720
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.235
_refine_diff_density_min         -3.253
_refine_diff_density_rms         0.746
_refine_ls_extinction_coef       0.00048(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   1.475
_refine_ls_hydrogen_treatment    .
_refine_ls_matrix_type           full
_refine_ls_number_parameters     32
_refine_ls_number_reflns         466
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.475
_refine_ls_R_factor_all          0.0270
_refine_ls_R_factor_gt           0.0249
_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^)+(0.0189P)^2^+67.1136P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0547
_refine_ls_wR_factor_ref         0.0840
_reflns_number_gt                461
_reflns_number_total             466
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            JSSC-2015-225-181.cif
_cod_data_source_block           ibam
_cod_original_sg_symbol_H-M      Ibam
_cod_database_code               1562017