Structures and Physical Properties of Rare-Earth Zinc Antimonides Pr6Zn1+xSb14+yandRE6Zn1+xSb14 (RE= Sm, Gd-Ho)
Yi Liu; Ling Chen; Long-Hua Li; Li-Ming Wu; Oksana Ya. Zelinska; Arthur Mar; Inorganic Chemistry 47 (2008) 11930–11941; doi:10.1021/ic800524d

data_4305533
_publ_contact_author_address
; Department of Chemistry
  University of Alberta
  Edmonton, AB
  Canada  T6G 2G2
;
_publ_contact_author_email       arthur.mar@ualberta.ca
_publ_contact_author_fax         '(780) 492-8231'
_publ_contact_author_name        'Dr. Arthur Mar'
_publ_contact_author_phone       '(780) 492-5592'
_publ_section_title
;
Structures and Physical Properties of Rare-Earth Zinc Antimonides
Pr6Zn1+xSb14+yandRE6Zn1+xSb14 (RE= Sm, Gd-Ho)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11930
_journal_page_last               11941
_journal_paper_doi               10.1021/ic800524d
_journal_volume                  47
_journal_year                    2008
_chemical_formula_structural     'Pr6 Zn1.22 Sb14.59'
_chemical_formula_sum            'Pr6 Sb14.59 Zn1.22'
_chemical_formula_weight         2700.61
_chemical_name_common            'praseodymium zinc antimonide (6/1/15)'
_chemical_name_systematic        'praseodymium zinc antimonide (6/1/15)'
_space_group_IT_number           71
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-I 2 2'
_symmetry_space_group_name_H-M   'I m m m'
_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                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.2764(4)
_cell_length_b                   15.1483(14)
_cell_length_c                   19.1271(17)
_cell_measurement_reflns_used    1946
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      32.53
_cell_measurement_theta_min      4.26
_cell_volume                     1239.1(2)
_computing_cell_refinement       'Bruker SAINT 7.06 (Bruker, 2004)'
_computing_data_collection       'Bruker SMART 5.054 (Bruker, 1999)'
_computing_data_reduction        'Bruker SAINT 7.06'
_computing_molecular_graphics    'ATOMS 5.1 (Dowty, 1999)'
_computing_publication_material  'Bruker SHELXTL 6.12'
_computing_structure_refinement  'Bruker SHELXTL 6.12'
_computing_structure_solution    'Bruker SHELXTL 6.12'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Platform/SMART 1000 CCD'
_diffrn_measurement_method       '\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  0.0799
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            8801
_diffrn_reflns_theta_full        33.13
_diffrn_reflns_theta_max         33.13
_diffrn_reflns_theta_min         1.71
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    28.259
_exptl_absorpt_correction_T_max  0.4835
_exptl_absorpt_correction_T_min  0.1010
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SHELXTL 6.12 (Sheldrick, 2001)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    7.239
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2269
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         9.604
_refine_diff_density_min         -6.027
_refine_diff_density_rms         0.640
_refine_ls_extinction_coef       0.00016(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   1.023
_refine_ls_matrix_type           full
_refine_ls_number_parameters     48
_refine_ls_number_reflns         1386
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0371P)^2^+58.7126P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.0953
_reflns_number_gt                1044
_reflns_number_total             1386
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic800524d_si_003_2.cif
_cod_data_source_block           Pr6ZnSb15
_cod_database_code               4305533