Single molecule magnetism in a family of mononuclear β-diketonate lanthanide(iii) complexes: rationalization of magnetic anisotropy in complexes of low symmetry
Chilton, Nicholas F.; Langley, Stuart K.; Moubaraki, Boujemaa; Soncini, Alessandro; Batten, Stuart R.; Murray, Keith S.; Chemical Science 4 (2013) 1719–; doi:10.1039/c3sc22300k

data_1514455
_publ_section_title
;
 Single molecule magnetism in a family of mononuclear \b-diketonate
 lanthanide(iii) complexes: rationalization of magnetic anisotropy in
 complexes of low symmetry
;
_journal_issue                   4
_journal_name_full               'Chemical Science'
_journal_page_first              1719
_journal_paper_doi               10.1039/c3sc22300k
_journal_volume                  4
_journal_year                    2013
_chemical_formula_sum            'C19 H24 Er N7 O14'
_chemical_formula_weight         741.71
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.653(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0075(6)
_cell_length_b                   14.8207(7)
_cell_length_c                   13.9166(6)
_cell_measurement_temperature    123(2)
_cell_volume                     2617.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'APEX X8'
_diffrn_measurement_method       'scans in phi and omega'
_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  0.0670
_diffrn_reflns_av_sigmaI/netI    0.0783
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26852
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    3.289
_exptl_absorpt_correction_T_max  0.720
_exptl_absorpt_correction_T_min  0.681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.882
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1468
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.964
_refine_diff_density_min         -0.921
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         7929
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0745
_refine_ls_wR_factor_ref         0.0848
_reflns_number_gt                5503
_reflns_number_total             7929
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc22300k.txt
_cod_data_source_block           10c:\users\nick\desktop\honour~1\er(no3~1\p21c
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               1514455