Magnetic Properties and Negative Colossal Magnetoresistance of the Rare Earth Zintl phase EuIn2As2
Andrea M. Goforth; Peter Klavins; James C. Fettinger; Susan M. Kauzlarich; Inorganic Chemistry 47 (2008) 11048–11056; doi:10.1021/ic801290u

data_4306483
_publ_contact_author_address
;
Department of Chemistry
One Shields Avenue
Davis, CA 95616
;
_publ_contact_author_email       smkauzlarich@ucdavis.edu
_publ_contact_author_fax         '530 752 8995'
_publ_contact_author_name        'Susan M. Kauzlarich'
_publ_contact_author_phone       '530 754 9425'
_publ_section_title
;
Magnetic Properties and Negative Colossal Magnetoresistance of the Rare
Earth Zintl phase EuIn2As2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11048
_journal_page_last               11056
_journal_paper_doi               10.1021/ic801290u
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'As2 Eu In2'
_chemical_formula_weight         531.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           194
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            2
_cell_length_a                   4.2067(3)
_cell_length_b                   4.2067(3)
_cell_length_c                   17.8891(19)
_cell_measurement_reflns_used    2024
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.28
_cell_volume                     274.16(4)
_computing_data_collection       'SMART (Version 5.054) (Bruker, 2002)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 1.0
_diffrn_measured_fraction_theta_max 0.924
_diffrn_measurement_device_type  'Bruker SMART1000'
_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  0.0331
_diffrn_reflns_av_sigmaI/netI    0.0143
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            2314
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    31.442
_exptl_absorpt_correction_T_max  0.5513
_exptl_absorpt_correction_T_min  0.2275
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2006/1 (Sheldrick, 2006)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    6.438
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             454
_exptl_crystal_size_max          0.063
_exptl_crystal_size_mid          0.062
_exptl_crystal_size_min          0.019
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.609
_refine_diff_density_rms         0.125
_refine_ls_extinction_coef       0.0031(3)
_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   1.175
_refine_ls_matrix_type           full
_refine_ls_number_parameters     10
_refine_ls_number_reflns         158
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_all          0.0165
_refine_ls_R_factor_gt           0.0101
_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^)+(0.0088P)^2^+0.3247P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0218
_refine_ls_wR_factor_ref         0.0234
_reflns_number_gt                140
_reflns_number_total             158
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801290u_si_003.cif
_cod_data_source_block           jf1373ffmi
_cod_database_code               4306483