Aqueous Speciation Studies of Europium(III) Phosphotungstate
Cheng Zhang; Robertha C. Howell; Kymora B. Scotland; Frances G. Perez; Louis Todaro; Lynn C. Francesconi; Inorganic Chemistry 43 (2004) 7691–7701; doi:10.1021/ic049655h

data_4312122
_publ_section_title
;
 Aqueous Speciation Studies of Europium(III) Phosphotungstate
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7691
_journal_page_last               7701
_journal_paper_doi               10.1021/ic049655h
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'Al4 Eu2 K2 O168 P4 W34'
_chemical_formula_weight         9552.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                111.223(16)
_cell_angle_beta                 94.182(18)
_cell_angle_gamma                107.581(17)
_cell_formula_units_Z            1
_cell_length_a                   12.649(6)
_cell_length_b                   16.230(8)
_cell_length_c                   21.518(9)
_cell_measurement_temperature    100(2)
_cell_volume                     3842(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.805
_diffrn_measured_fraction_theta_max 0.805
_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  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0751
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27206
_diffrn_reflns_theta_full        28.74
_diffrn_reflns_theta_max         28.74
_diffrn_reflns_theta_min         1.04
_exptl_absorpt_coefficient_mu    26.373
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    4.129
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             4136
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         9.386
_refine_diff_density_min         -8.749
_refine_diff_density_rms         0.805
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     519
_refine_ls_number_reflns         16035
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0946
_refine_ls_R_factor_gt           0.0778
_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^)+(0.1376P)^2^+200.6711P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2158
_refine_ls_wR_factor_ref         0.2293
_reflns_number_gt                12324
_reflns_number_total             16035
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049655hsi20040315_025436.cif
_cod_data_source_block           species4
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'multiscan' changed to 'multi-scan'
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               4312122