A series of lanthanide complexes based on pyridine-3,5-dicarboxylate and succinate ligands: syntheses, structures and properties
Liu, Yi-Ting; Du, Yuan-Qi; Wu, Xiao; Zheng, Zhi-Peng; Lin, Xiao-Ming; Zhu, Li-Cai; Cai, Yue-Peng; CrystEngComm 16 (2014) 6797–; doi:10.1039/c4ce00417e

data_7215981
_publ_section_title
;
 A series of lanthanide complexes based on pyridine-3,5-dicarboxylate and
 succinate ligands: syntheses, structures and properties
;
_journal_issue                   29
_journal_name_full               CrystEngComm
_journal_page_first              6797
_journal_paper_doi               10.1039/c4ce00417e
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C9 H11 Eu N O9, 2(H2 O)'
_chemical_formula_sum            'C9 H15 Eu N O11'
_chemical_formula_weight         465.18
_chemical_name_systematic
;
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-03-19
_audit_creation_method
;
  Olex2 1.2
  (compiled Dec  5 2012 16:20:19, GUI svn.r4385)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.6620(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.9131(14)
_cell_length_b                   13.5396(11)
_cell_length_c                   6.6475(6)
_cell_measurement_reflns_used    2419
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.06
_cell_measurement_theta_min      2.58
_cell_volume                     1419.5(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL-XP (Bruker, 2004)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0312
_diffrn_reflns_av_unetI/netI     0.0367
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            7176
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         1.98
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.478
_exptl_absorpt_correction_T_max  0.475
_exptl_absorpt_correction_T_min  0.414
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             908
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.763
_refine_diff_density_min         -0.716
_refine_diff_density_rms         0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2533
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+3.2957P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0764
_refine_ls_wR_factor_ref         0.0812
_reflns_number_gt                2152
_reflns_number_total             2533
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00417e2.cif
_cod_data_source_block           CCDC
_cod_depositor_comments
'Adding full bibliography for 7215980--7215985.cif.'
_cod_database_code               7215981
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  H6 of C6, {H9A,H9B} of C9, {H1WA,H1WB} of O1W, {H2WA,H2WB} of O2W, {H3WA,
  H3WB} of O3W, {H4WA,H4WB} of O4W, H3 of C3, H4 of C4, {H5WA,H5WB} of O5W
2.a Riding coordinates:
 O1W(H1WA,H1WB), O2W(H2WA,H2WB), O3W(H3WA,H3WB), O4W(H4WA,H4WB), O5W(H5WA,H5WB)
2.b Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6)
;