Diversity of crystal structure with different lanthanide ions involving in situ oxidation-hydrolysis reaction.
Cheng, Jian-Wen; Zheng, Shou-Tian; Yang, Guo-Yu; Dalton transactions (Cambridge, England : 2003)  (2007) 4059–4066; doi:10.1039/b708165k

data_7005998
_publ_section_title
;
 Diversity of crystal structure with different lanthanide ions
 involving in situ oxidation-hydrolysis reaction.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4059
_journal_page_last               4066
_journal_paper_doi               10.1039/b708165k
_journal_year                    2007
_chemical_formula_sum            'C7 H5 Er N O5'
_chemical_formula_weight         350.38
_chemical_name_systematic
;
?
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.37850(10)
_cell_length_b                   19.1406(3)
_cell_length_c                   12.3183(3)
_cell_measurement_reflns_used    88
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.70
_cell_volume                     1739.70(6)
_computing_cell_refinement       'Siemens SMART'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens XPREP'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Siemens SHELXTL'
_computing_structure_solution    'Siemens SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens SMART CCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0440
_diffrn_reflns_av_sigmaI/netI    0.0251
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8114
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.641
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5276
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.675
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.733
_refine_diff_density_min         -2.183
_refine_diff_density_rms         0.234
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.371
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1542
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.370
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0330P)^2^+21.5151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1010
_reflns_number_gt                1432
_reflns_number_total             1542
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b708165k.txt
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7005998
_refine_ls_r_factor_ref          0.0521