Explorations of new quaternary phases in the Ln(III)-V(V)(d0)-Se(IV)-O (Ln = Nd, Eu, Gd, Tb) systems.
Li, Pei-Xin; Zhang, Su-Yun; Mao, Jiang-Gao; Dalton transactions (Cambridge, England : 2003) 39 (2010) 11560–11567; doi:10.1039/c0dt00848f

data_7026892
_publ_section_title
;
 Explorations of new quaternary phases in the Ln(III)-V(V)(d0)-Se(IV)-O
 (Ln = Nd, Eu, Gd, Tb) systems.
;
_journal_issue                   48
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11560
_journal_page_last               11567
_journal_paper_doi               10.1039/c0dt00848f
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'Gd O8 Se2 V'
_chemical_formula_weight         494.11
_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   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.087(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.704(4)
_cell_length_b                   7.118(4)
_cell_length_c                   13.360(8)
_cell_measurement_reflns_used    2313
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4797
_cell_measurement_theta_min      2.9612
_cell_volume                     637.4(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  Saturn70
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4346
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    23.208
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5835
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    5.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             876
_exptl_crystal_size_max          0.0800
_exptl_crystal_size_mid          0.0400
_exptl_crystal_size_min          0.0300
_refine_diff_density_max         1.334
_refine_diff_density_min         -1.990
_refine_diff_density_rms         0.266
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1519
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0314
_refine_ls_R_factor_gt           0.0271
_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^)+(0.0352P)^2^+0.9177P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0640
_refine_ls_wR_factor_ref         0.0662
_reflns_number_gt                1376
_reflns_number_total             1519
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00848f.txt
_cod_data_source_block           Gd(VO2)(SeO3)2-3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7026892