Temperature-controlled polymorphism of chiral Cu(II)-Ln(III) dinuclear complexes exhibiting slow magnetic relaxation.
Wen, He-Rui; Bao, Jun; Liu, Sui-Jun; Liu, Cai-Ming; Zhang, Cai-Wei; Tang, Yun-Zhi; Dalton transactions (Cambridge, England : 2003) 44 (2015) 11191–11201; doi:10.1039/c5dt00789e

data_7034825
_publ_section_title
;
 Temperature-controlled polymorphism of chiral Cu(II)-Ln(III) dinuclear
 complexes exhibiting slow magnetic relaxation.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11191
_journal_page_last               11201
_journal_paper_doi               10.1039/c5dt00789e
_journal_volume                  44
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H26 Cu N5 Nd O14'
_chemical_formula_sum            'C22 H26 Cu N5 Nd O14'
_chemical_formula_weight         792.26
_space_group_crystal_system      triclinic
_space_group_IT_number           1
_space_group_name_Hall           'P 1'
_space_group_name_H-M_alt        'P 1'
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2015-04-12
_audit_creation_method
;
Olex2 1.2
(compiled 2014.12.26 svn.r3119 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-04-21 deposited with the CCDC.
2015-05-06 downloaded from the CCDC.
;
_cell_angle_alpha                93.380(2)
_cell_angle_beta                 91.777(2)
_cell_angle_gamma                99.381(2)
_cell_formula_units_Z            2
_cell_length_a                   7.7396(6)
_cell_length_b                   12.5347(10)
_cell_length_c                   14.1169(11)
_cell_measurement_reflns_used    9860
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.98
_cell_volume                     1347.72(18)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0273
_diffrn_reflns_av_unetI/netI     0.0378
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            37020
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.289
_diffrn_reflns_theta_min         2.984
_exptl_absorpt_coefficient_mu    2.775
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            reddish-brown
_exptl_crystal_colour_primary    reddish-brown
_exptl_crystal_density_diffrn    1.952
_exptl_crystal_description       needle
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.708
_refine_diff_density_min         -0.455
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details
;
 Flack x determined using 5473 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.003(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     781
_refine_ls_number_reflns         13203
_refine_ls_number_restraints     434
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0246
_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^)+(0.0209P)^2^+0.5724P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0492
_refine_ls_wR_factor_ref         0.0512
_reflns_Friedel_coverage         0.987
_reflns_Friedel_fraction_full    0.993
_reflns_Friedel_fraction_max     0.980
_reflns_number_gt                11759
_reflns_number_total             13203
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt00789e2.cif
_cod_data_source_block           2
_cod_depositor_comments
'Adding full bibliography for 7034824--7034836.cif.'
_cod_database_code               7034825
_shelxl_version_number           2013-2
_shelx_estimated_absorpt_t_max   0.665
_shelx_estimated_absorpt_t_min   0.607
_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,H) groups
2. Rigid bond restraints
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.001 and sigma for 1-3 distances of 0.001
3.a Rotating group:
 O1W(H1WA,H1WB), O2W(H2WA,H2WB)
3.b Ternary CH refined with riding coordinates:
 C30(H30), C29(H29), C34(H34), C35(H35)
3.c Secondary CH2 refined with riding coordinates:
 C28(H28A,H28B), C31(H31A,H31B), C39(H39A,H39B), C36(H36A,H36B), C38(H38A,
 H38B), C37(H37A,H37B), C44(H44A,H44B), C43(H43A,H43B)
3.d Aromatic/amide H refined with riding coordinates:
 C1(H1), C17(H17), C18(H18), C20(H20), C21(H21), C22(H22), C23(H23), C24(H24),
 C25(H25), C27(H27), C26(H26), C32(H32), C33(H33), C40(H40), C41(H41), C42(H42)
3.e Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C10(H10A,H10B,H10C), C12(H12A,H12B,H12C)
;
_olex2_submission_special_instructions 'No special instructions were received'