Syntheses, crystal structures and luminescent properties of new lanthanide(III) organoarsonates.
Qian, Xiang-Ying; Zhang, Jian-Han; Zhou, Tian-Hua; Mao, Jiang-Gao; Dalton transactions (Cambridge, England : 2003) 41 (2012) 1229–1236; doi:10.1039/c1dt11481f

data_7017814
_publ_section_title
;
 Syntheses, crystal structures and luminescent properties of new
 lanthanide(III) organoarsonates.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1229
_journal_page_last               1236
_journal_paper_doi               10.1039/c1dt11481f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C7 H6 As Eu N O9'
_chemical_formula_weight         475.01
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.527(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.047(7)
_cell_length_b                   21.094(19)
_cell_length_c                   7.656(8)
_cell_measurement_reflns_used    851
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.3948
_cell_measurement_theta_min      3.0483
_cell_volume                     1079.1(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Mercury2 (2x2 bin mode)'
_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  0.0744
_diffrn_reflns_av_sigmaI/netI    0.0765
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            8169
_diffrn_reflns_theta_full        27.40
_diffrn_reflns_theta_max         27.40
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    8.902
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.6177
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.924
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.794
_refine_diff_density_min         -1.611
_refine_diff_density_rms         0.280
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2443
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.155
_refine_ls_R_factor_all          0.0741
_refine_ls_R_factor_gt           0.0537
_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^)+(0.0243P)^2^+4.9111P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                1945
_reflns_number_total             2443
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11481f.txt
_cod_data_source_block           C7H6AsEuNO9
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1079.2(19)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7017814