A series of new lanthanide fumarates displaying three types of 3-D frameworks.
Tan, Xiao-Feng; Zhou, Jian; Fu, Lianshe; Xiao, Hong-Ping; Zou, Hua-Hong; Tang, Qiuling; Dalton transactions (Cambridge, England : 2003) 45 (2016) 5253–5261; doi:10.1039/c6dt00205f

data_7038363
_publ_section_title
;
 A series of new lanthanide fumarates displaying three types of 3-D
 frameworks.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5253
_journal_page_last               5261
_journal_paper_doi               10.1039/c6dt00205f
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C6 H7 Er O8'
_chemical_formula_sum            'C6 H7 Er O8'
_chemical_formula_weight         374.38
_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
_audit_update_record
;
2016-01-12 deposited with the CCDC.
2016-02-08 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.4540(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4562(9)
_cell_length_b                   8.0842(8)
_cell_length_c                   12.2466(11)
_cell_measurement_reflns_used    1664
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.09
_cell_measurement_theta_min      2.69
_cell_volume                     935.90(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_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  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0163
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_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            6959
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    8.990
_exptl_absorpt_correction_T_max  0.2209
_exptl_absorpt_correction_T_min  0.1397
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.580
_refine_diff_density_min         -1.748
_refine_diff_density_rms         0.153
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.215
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         1664
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.213
_refine_ls_R_factor_all          0.0207
_refine_ls_R_factor_gt           0.0204
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0155P)^2^+6.3143P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0489
_refine_ls_wR_factor_ref         0.0491
_reflns_number_gt                1651
_reflns_number_total             1664
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt00205f2.cif
_cod_data_source_block           3c
_cod_depositor_comments
'Adding full bibliography for 7038358--7038364.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7038363