Novel open-framework europium silicates prepared under high-temperature and high-pressure conditions.
Liu, Wei; Ji, Ying; Bao, Xinjian; Wang, Ying; Li, Benxian; Wang, Xiaofeng; Zhao, Xudong; Liu, Xiaoyang; Feng, Shouhua; Dalton transactions (Cambridge, England : 2003) 43 (2014) 13892–13898; doi:10.1039/c4dt01707b

data_7032470
_publ_section_title
;
 Novel open-framework europium silicates prepared under high-temperature
 and high-pressure conditions.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13892
_journal_page_last               13898
_journal_paper_doi               10.1039/c4dt01707b
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'Eu3 Na15 O36 Si12'
_chemical_formula_weight         1713.81
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           58
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2 2n'
_symmetry_space_group_name_H-M   'P n n m'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            1
_cell_length_a                   10.7143(9)
_cell_length_b                   7.5271(7)
_cell_length_c                   10.4913(9)
_cell_measurement_reflns_used    4014
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      50.04
_cell_measurement_theta_min      5.48
_cell_volume                     846.10(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  CCD
_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  0.0192
_diffrn_reflns_av_sigmaI/netI    0.0138
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            4014
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.72
_exptl_absorpt_coefficient_mu    6.244
_exptl_absorpt_correction_T_max  0.732
_exptl_absorpt_correction_T_min  0.515
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            corlourless
_exptl_crystal_density_diffrn    3.363
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             810
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.707
_refine_diff_density_min         -0.490
_refine_diff_density_rms         0.161
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         791
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0309
_refine_ls_R_factor_gt           0.0288
_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^)+(0.0850P)^2^+3.7000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1094
_reflns_number_gt                736
_reflns_number_total             791
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7031780
_cod_data_source_file            c4dt01707b2.cif
_cod_data_source_block           x
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi Scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Pnnm
_cod_database_code               7032470