Three New Sodium Neptunyl(V) Selenate Hydrates: Structures, Raman Spectroscopy, and Magnetism
Geng Bang Jin; S. Skanthakumar; L. Soderholm; Inorganic Chemistry 51 (2012) 3220–3230; doi:10.1021/ic202703j

data_4328576
_publ_contact_author_address
;
       Chemical Sciences and Engineering Division
       Argonne National Laboratory
       Argonne, IL 60439, USA
;
_publ_contact_author_email       gjin@anl.gov
_publ_contact_author_fax         '+1 630 252 4225'
_publ_contact_author_name        'Geng Bang Jin'
_publ_contact_author_phone       '+1 630 252 3658'
_publ_section_title
;
 Three New Sodium Neptunyl(V) Selenate Hydrates: Structures, Raman
 Spectroscopy, and Magnetism
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3220
_journal_page_last               3230
_journal_paper_doi               10.1021/ic202703j
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'Na3 (Np O2) (Se O4)2 (H2 O)2'
_chemical_formula_sum            'H4 Na3 Np O12 Se2'
_chemical_formula_weight         659.92
_chemical_name_common
'Trisodium dioxoneptunium(V) bis(selenate) dihydrate'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.1590(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.8061(7)
_cell_length_b                   7.1101(6)
_cell_length_c                   11.0967(9)
_cell_measurement_reflns_used    5409
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      4.27
_cell_volume                     615.76(9)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'CrystalMaker for Windows ver. 2.0.6 (2008)'
_computing_publication_material  'SHELXTL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0204
_diffrn_reflns_av_sigmaI/netI    0.0151
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7615
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         4.27
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    14.506
_exptl_absorpt_correction_T_max  0.686
_exptl_absorpt_correction_T_min  0.366
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    3.559
_exptl_crystal_description       prism
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.026
_refine_diff_density_max         3.790
_refine_diff_density_min         -1.163
_refine_diff_density_rms         0.248
_refine_ls_extinction_coef       0.0017(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   1.249
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     125
_refine_ls_number_reflns         1532
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.248
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0282
_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^)+(0.0065P)^2^+14.8500P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0696
_refine_ls_wR_factor_ref         0.0698
_reflns_number_gt                1508
_reflns_number_total             1532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202703j_si_001_1.cif
_cod_data_source_block           compound(3)
_cod_database_code               4328576