Probing the Structure, Conformation, and Stereochemical Exchange in a Family of Lanthanide Complexes Derived from Tetrapyridyl-Appended Cyclen
Louise S. Natrajan; Ntai M. Khoabane; Benjamin L. Dadds; Christopher A. Muryn; Robin G. Pritchard; Sarah L. Heath; Alan M. Kenwright; Ilya Kuprov; Stephen Faulkner; Inorganic Chemistry 49 (2010) 7700–7709; doi:10.1021/ic100447m

data_4316334
_publ_section_title
;
 Probing the Structure, Conformation, and Stereochemical Exchange in a
 Family of Lanthanide Complexes Derived from Tetrapyridyl-Appended Cyclen
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7700
_journal_page_last               7709
_journal_paper_doi               10.1021/ic100447m
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C76 H89 Er2 F18 N19 O18 S6'
_chemical_formula_weight         2425.54
_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                 91.737(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.6225(4)
_cell_length_b                   40.0704(14)
_cell_length_c                   21.1102(6)
_cell_measurement_reflns_used    43256
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.8601
_cell_measurement_theta_min      2.6029
_cell_volume                     8981.4(5)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.5 (release 28-08-2006 CrysAlis171 .NET)
(compiled Aug 28 2006,13:05:05)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.31.5 (release 28-08-2006 CrysAlis171 .NET)
(compiled Aug 28 2006,13:05:05)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.5 (release 28-08-2006 CrysAlis171 .NET)
(compiled Aug 28 2006,13:05:05)
;
_computing_molecular_graphics    'SHELXTL-97 (Sheldrick 1997)'
_computing_publication_material  'SHELXTL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3367
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enhance (Mo) X-ray Source'
_diffrn_measurement_method       'multiwire proportional'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1166
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       52
_diffrn_reflns_limit_k_min       -52
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            72526
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    2.041
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.49013
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.5 (release 28-08-2006 CrysAlis171 .NET)
(compiled Aug 28 2006,13:05:05)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.794
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             4864
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.729
_refine_diff_density_min         -6.105
_refine_diff_density_rms         0.359
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.229
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1206
_refine_ls_number_reflns         72532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.229
_refine_ls_R_factor_all          0.1189
_refine_ls_R_factor_gt           0.0874
_refine_ls_shift/su_max          0.042
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0519P)^2^+209.7232P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2027
_refine_ls_wR_factor_ref         0.2165
_reflns_number_gt                50949
_reflns_number_total             72532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100447m_si_002.cif
_cod_data_source_block           testcm1
_cod_database_code               4316334