The role of an LMCT state on luminescence quenching in dimeric lanthanide dipivaloylmethanate compounds.
Santos, Paulo R. S.; Jesus, Ashely A. S. S.; Lima, William B.; Silva, Iran F.; Arruda, Joaldo G.; Faustino, Wagner M.; Felinto, Maria Claudia F. C.; Brito, Hermi F.; Costa, Israel F.; Diniz, Renata; Teotonio, Ercules E. S.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 9517–9529; doi:10.1039/d5dt00203f

data_7718681
_publ_section_title
;
 The role of an LMCT state on luminescence quenching in dimeric lanthanide
 dipivaloylmethanate compounds.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9517
_journal_page_last               9529
_journal_paper_doi               10.1039/d5dt00203f
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C46 H69 Eu O7 P'
_chemical_formula_sum            'C46 H69 Eu O7 P'
_chemical_formula_weight         916.94
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-06-13T14:35:19-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2025-03-21 deposited with the CCDC.	2025-05-12 downloaded from the CCDC.
;
_cell_angle_alpha                77.7940(10)
_cell_angle_beta                 76.7600(10)
_cell_angle_gamma                71.0630(10)
_cell_formula_units_Z            2
_cell_length_a                   10.48765(2)
_cell_length_b                   13.5301(2)
_cell_length_c                   19.1302(3)
_cell_measurement_reflns_used    40812
_cell_measurement_temperature    300.15
_cell_measurement_theta_max      29.727
_cell_measurement_theta_min      2.517
_cell_volume                     2471.52(6)
_computing_cell_refinement       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      300.15
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.838
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0387144
_diffrn_orient_matrix_UB_12      -0.0216752
_diffrn_orient_matrix_UB_13      -0.0152138
_diffrn_orient_matrix_UB_21      -0.0597913
_diffrn_orient_matrix_UB_22      0.0229019
_diffrn_orient_matrix_UB_23      0.024062
_diffrn_orient_matrix_UB_31      -0.0140526
_diffrn_orient_matrix_UB_32      0.0463358
_diffrn_orient_matrix_UB_33      -0.0259488
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0463
_diffrn_reflns_av_unetI/netI     0.0350
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.838
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            69163
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.838
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.093
_diffrn_reflns_theta_min         2.085
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.344
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.448
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.42.49 (Rigaku Oxford Diffraction, 2022)
        Numerical absorption correction based on gaussian integration over
        a multifaceted crystal model
        Empirical absorption correction using spherical harmonics,
        implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_description       block
_exptl_crystal_F_000             958
_exptl_crystal_size_max          0.249
_exptl_crystal_size_mid          0.088
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.669
_refine_diff_density_min         -0.551
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     515
_refine_ls_number_reflns         13336
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0514P)^2^+0.5300P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0859
_refine_ls_wR_factor_ref         0.0904
_reflns_Friedel_coverage         0
_reflns_number_gt                11293
_reflns_number_total             13328
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00203f2.cif
_cod_data_source_block           eudpm_auto
_cod_depositor_comments
'Adding full bibliography for 7718681--7718683.cif.'
_cod_database_code               7718681
_reflns_number                   69043
_shelx_shelxl_version_number     2019/3
_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
2. Uiso/Uaniso restraints and constraints
Uanis(C5) = Uanis(C6) = Uanis(C7) = Uanis(C5B) = Uanis(C6B) = Uanis(C7B)
Uanis(C16) = Uanis(C17) = Uanis(C18) = Uanis(C16B) = Uanis(C17B) = Uanis(C18B)
Uanis(C20) = Uanis(C21) = Uanis(C22) = Uanis(C20B) = Uanis(C21B) = Uanis(C22B)
Uanis(C27) = Uanis(C28) = Uanis(C29) = Uanis(C27B) = Uanis(C28B) = Uanis(C29B)
Uanis(C31) = Uanis(C32) = Uanis(C33) = Uanis(C31B) = Uanis(C32B) = Uanis(C33B)
3. Others
 Sof(C5B)=Sof(H5BA)=Sof(H5BB)=Sof(H5BC)=Sof(C6B)=Sof(H6BA)=Sof(H6BB)=Sof(H6BC)=
 Sof(C7B)=Sof(H7BA)=Sof(H7BB)=Sof(H7BC)=Sof(C16B)=Sof(H16D)=Sof(H16E)=Sof(H16F)=
 Sof(C17B)=Sof(H17D)=Sof(H17E)=Sof(H17F)=Sof(C18B)=Sof(H18D)=Sof(H18E)=
 Sof(H18F)=Sof(C20B)=Sof(H20D)=Sof(H20E)=Sof(H20F)=Sof(C21B)=Sof(H21D)=
 Sof(H21E)=Sof(H21F)=Sof(C22B)=Sof(H22D)=Sof(H22E)=Sof(H22F)=Sof(C28B)=
 Sof(H28D)=Sof(H28E)=Sof(H28F)=Sof(C27B)=Sof(H27D)=Sof(H27E)=Sof(H27F)=
 Sof(C29B)=Sof(H29D)=Sof(H29E)=Sof(H29F)=Sof(C32B)=Sof(H32D)=Sof(H32E)=
 Sof(H32F)=Sof(C31B)=Sof(H31D)=Sof(H31E)=Sof(H31F)=Sof(C33B)=Sof(H33D)=
 Sof(H33E)=Sof(H33F)=1-FVAR(1)
 Sof(C5)=Sof(H5A)=Sof(H5B)=Sof(H5C)=Sof(C6)=Sof(H6A)=Sof(H6B)=Sof(H6C)=Sof(C7)=
 Sof(H7A)=Sof(H7B)=Sof(H7C)=Sof(C16)=Sof(H16A)=Sof(H16B)=Sof(H16C)=Sof(C17)=
 Sof(H17A)=Sof(H17B)=Sof(H17C)=Sof(C18)=Sof(H18A)=Sof(H18B)=Sof(H18C)=Sof(C20)=
 Sof(H20A)=Sof(H20B)=Sof(H20C)=Sof(C21)=Sof(H21A)=Sof(H21B)=Sof(H21C)=Sof(C22)=
 Sof(H22A)=Sof(H22B)=Sof(H22C)=Sof(C27)=Sof(H27A)=Sof(H27B)=Sof(H27C)=Sof(C28)=
 Sof(H28A)=Sof(H28B)=Sof(H28C)=Sof(C29)=Sof(H29A)=Sof(H29B)=Sof(H29C)=Sof(C31)=
 Sof(H31A)=Sof(H31B)=Sof(H31C)=Sof(C32)=Sof(H32A)=Sof(H32B)=Sof(H32C)=Sof(C33)=
 Sof(H33A)=Sof(H33B)=Sof(H33C)=FVAR(1)
4.a Secondary CH2 refined with riding coordinates:
 C46(H46A,H46B)
4.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C13(H13), C24(H24), C35(H35), C36(H36), C37(H37), C38(H38), C39(H39),
 C41(H41), C42(H42), C43(H43), C44(H44), C45(H45)
4.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C5B(H5BA,H5BB,H5BC),
 C6B(H6BA,H6BB,H6BC), C7B(H7BA,H7BB,H7BC), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C),
  C11(H11A,H11B,H11C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C16B(H16D,H16E,H16F), C17B(H17D,H17E,H17F), C18B(H18D,H18E,H18F),
 C20(H20A,H20B,H20C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C20B(H20D,H20E,
 H20F), C21B(H21D,H21E,H21F), C22B(H22D,H22E,H22F), C27(H27A,H27B,H27C),
 C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C28B(H28D,H28E,H28F), C27B(H27D,H27E,
 H27F), C29B(H29D,H29E,H29F), C31(H31A,H31B,H31C), C32(H32A,H32B,H32C),
 C33(H33A,H33B,H33C), C32B(H32D,H32E,H32F), C31B(H31D,H31E,H31F), C33B(H33D,
 H33E,H33F)
;
_shelx_res_checksum              50731
_shelx_hkl_checksum              27237
_olex2_submission_special_instructions 'No special instructions were received'