A series of tetranuclear lanthanide compounds constructed by in situ polydentate ligands: synthesis, structure, and SMM behaviour of the Dy4compound
Lin, Shuang-Yan; Li, Xiao-Lei; Ke, Hongshan; Xu, Zhikun; CrystEngComm 17 (2015) 9167–; doi:10.1039/C5CE01818H

data_7223035
_publ_section_title
;
 A series of tetranuclear lanthanide compounds constructed by in situ
 polydentate ligands: synthesis, structure, and SMM behaviour of the
 Dy4compound
;
_journal_issue                   47
_journal_name_full               CrystEngComm
_journal_page_first              9167
_journal_paper_doi               10.1039/C5CE01818H
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C98 H126 Gd4 N6 O40'
_chemical_formula_weight         2657.05
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-10 deposited with the CCDC.
2015-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 119.6570(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.8066(9)
_cell_length_b                   16.8139(6)
_cell_length_c                   27.5667(10)
_cell_measurement_reflns_used    9923
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      2.56
_cell_volume                     10797.3(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      185(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0536
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            29529
_diffrn_reflns_theta_full        26.07
_diffrn_reflns_theta_max         26.07
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    2.513
_exptl_absorpt_correction_T_max  0.7872
_exptl_absorpt_correction_T_min  0.7359
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Sadabs;bruker 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.635
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5328
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.100
_refine_diff_density_min         -0.984
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     678
_refine_ls_number_reflns         10669
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0377
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0554P)^2^+38.5091P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1031
_refine_ls_wR_factor_ref         0.1204
_reflns_number_gt                8455
_reflns_number_total             10669
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce01818h2.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7223033--7223036.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7223035