A series of Ln4III clusters: Dy4 single molecule magnet and Tb4 multi-responsive luminescent sensor for Fe3+, CrO42−/Cr2O72− and 4-nitroaniline
Qin, Yaru; Ge, Yu; Zhang, Shasha; Sun, Hao; Jing, Yu; Li, Yahong; Liu, Wei; RSC Advances 8 (2018) 12641–; doi:10.1039/C8RA01485J

data_7230405
_publ_section_title
;
 A series of Ln4III clusters: Dy4 single molecule magnet and Tb4
 multi-responsive luminescent sensor for Fe3+,
 CrO42&#x2212;/Cr2O72&#x2212; and 4-nitroaniline
;
_journal_issue                   23
_journal_name_full               'RSC Advances'
_journal_page_first              12641
_journal_paper_doi               10.1039/C8RA01485J
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         'C74 H78 Gd4 N6 O26, 2(C H4 O)'
_chemical_formula_sum            'C76 H86 Gd4 N6 O28'
_chemical_formula_weight         2160.50
_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     dual
_audit_creation_date             2018-03-20
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2018-03-20 deposited with the CCDC.
2018-03-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.961(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.4900(7)
_cell_length_b                   11.9674(6)
_cell_length_c                   24.5060(13)
_cell_measurement_reflns_used    9946
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.28
_cell_volume                     3934.9(4)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      120.01
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0954
_diffrn_reflns_av_unetI/netI     0.0672
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            59585
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.502
_diffrn_reflns_theta_min         2.280
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.413
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1752 before and 0.0666 after correction. The Ratio of minimum to maximum transmission is 0.8989. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.823
_exptl_crystal_description       block
_exptl_crystal_F_000             2128
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.815
_refine_diff_density_min         -0.884
_refine_diff_density_rms         0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         9047
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0737
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0001P)^2^+13.9310P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0616
_refine_ls_wR_factor_ref         0.0683
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6827
_reflns_number_total             9047
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ra01485j2.cif
_cod_data_source_block           mo_gd4xws_0m
_cod_database_code               7230405
_shelx_shelxl_version_number     2016/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C37) \\sim Ueq, Uanis(C35) \\sim Ueq, Uanis(C0AA) \\sim Ueq: with sigma
of 0.005 and sigma for terminal atoms of 0.01
3. Others
 Fixed Sof: C37(0.5) H37A(0.5) H37B(0.5) H37C(0.5) C0AA(0.5) H0AA(0.5)
 H0AB(0.5) H0AC(0.5)
4.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C24(H24A,H24B)
4.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C9(H9), C11(H11), C12(H12), C13(H13), C20(H20),
 C21(H21), C22(H22), C25(H25), C27(H27), C28(H28), C29(H29)
4.c Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C), C16(H16A,H16B,H16C), C19(H19A,H19B,H19C), C32(H32A,H32B,
 H32C), C35(H35A,H35B,H35C), C36(H36A,H36B,H36C), C37(H37A,H37B,H37C),
 C0AA(H0AA,H0AB,H0AC), C38(H38A,H38B,H38C)
4.d Idealised tetrahedral OH refined as rotating group:
 O14(H14)
;
_shelx_res_checksum              31988
_olex2_submission_special_instructions 'No special instructions were received'