Crystal Growth, Observation, and Characterization of the Low-Temperature Structure of the Fluorite-Related Ruthenates: Sm3RuO7 and Eu3RuO7
William R. Gemmill; Mark D. Smith; Hans-Conrad zur Loye; Inorganic Chemistry 43 (2004) 4254–4261; doi:10.1021/ic049700l

data_4311254
_publ_contact_author_address
;
Department of Chemistry and Biochemistry
University of South Carolina
Columbia, SC  29208
USA
;
_publ_contact_author_email       zurloye@sc.edu
_publ_contact_author_fax         '803 777 8508'
_publ_contact_author_name        'Professor Hans-Conrad zur Loye'
_publ_contact_author_phone       '803 777 6916'
_publ_section_title
;
 Crystal Growth, Observation, and Characterization of the Low-Temperature
 Structure of the Fluorite-Related Ruthenates: Sm3RuO7 and Eu3RuO7
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4254
_journal_page_last               4261
_journal_paper_doi               10.1021/ic049700l
_journal_volume                  43
_journal_year                    2004
_chemical_formula_moiety         'Eu3 O7 Ru'
_chemical_formula_sum            'Eu3 O7 Ru'
_chemical_formula_weight         668.95
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           63
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c 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            4
_cell_length_a                   10.6926(5)
_cell_length_b                   7.3087(3)
_cell_length_c                   7.4107(3)
_cell_measurement_reflns_used    2386
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      34.326
_cell_measurement_theta_min      3.377
_cell_volume                     579.14(4)
_computing_cell_refinement       'SAINT+ NT V6.22 (Bruker, 2001)'
_computing_data_collection       'SMART NT V5.625 (Bruker, 1998)'
_computing_data_reduction        'SAINT+ NT V6.22'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '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  0.0429
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3971
_diffrn_reflns_theta_full        34.33
_diffrn_reflns_theta_max         34.33
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    34.581
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 2001)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    7.672
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       dot
_exptl_crystal_F_000             1156
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         3.115
_refine_diff_density_min         -2.604
_refine_diff_density_rms         0.467
_refine_ls_extinction_coef       0.0056(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   1.176
_refine_ls_matrix_type           full
_refine_ls_number_parameters     35
_refine_ls_number_reflns         678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.176
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0264
_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^)+(0.0226P)^2^+4.5472P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0546
_refine_ls_wR_factor_ref         0.0559
_reflns_number_gt                628
_reflns_number_total             678
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049700lsi20040308_113640_3.cif
_cod_data_source_block           "'Eu3RuO7hightemperatureCmcm'"
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4311254