Further Examples of the Failure of Surrogates to Properly Model the Structural and Hydrothermal Chemistry of Transuranium Elements: Insights Provided by Uranium and Neptunium Diphosphonates
Anna-Gay D. Nelson; Travis H. Bray; Wei Zhan; Richard G. Haire; Todd S. Sayler; Thomas E. Albrecht-Schmitt; Inorganic Chemistry 47 (2008) 4945–4951; doi:10.1021/ic800255h

data_4305059
_publ_section_title
;
Further Examples of the Failure of Surrogates to Properly Model the
Structural and Hydrothermal Chemistry of Transuranium Elements: Insights
Provided by Uranium and Neptunium Diphosphonates
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4945
_journal_page_last               4951
_journal_paper_doi               10.1021/ic800255h
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C H2 O9 P2 U'
_chemical_formula_sum            'C H2 O9 P2 U'
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_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
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_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      28.32
_cell_measurement_theta_min      2.17
_cell_volume                     807.07(9)
_computing_cell_refinement       'SMART, SAINT'
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXP-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '0.3 wide w/ exposures'
_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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -25
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_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            7814
_diffrn_reflns_theta_full        28.32
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         2.17
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count na
_diffrn_standards_interval_time  na
_diffrn_standards_number         na
_exptl_absorpt_coefficient_mu    20.531
_exptl_absorpt_correction_T_max  0.631
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_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SHELXPREP
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    3.769
_exptl_crystal_density_meas      ?
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_exptl_crystal_description       'rectangular plate'
_exptl_crystal_F_000             808
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_exptl_crystal_size_min          0.022
_refine_diff_density_max         6.076
_refine_diff_density_min         -0.896
_refine_diff_density_rms         0.232
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.115(9)
_refine_ls_extinction_coef       0.00098(16)
_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   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     120
_refine_ls_number_reflns         1995
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0226
_refine_ls_R_factor_gt           0.0219
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0324P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0565
_refine_ls_wR_factor_ref         0.0569
_reflns_number_gt                1924
_reflns_number_total             1995
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic800255h-file003_4.cif
_cod_data_source_block           pna21
_cod_depositor_comments
;
The following automatic conversions were performed:
'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to 'constr'
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 
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_cod_original_cell_volume        807.08(9)
_cod_database_code               4305059