Rational enhancement of the energy barrier of bis(tetrapyrrole) dysprosium SMMs via replacing atom of porphyrin core
Cao, Wei; Gao, Chen; Zhang, Yi-Quan; Qi, Dongdong; Liu, Tao; Wang, Kang; Duan, Chunying; Gao, Song; Jiang, Jianzhuang; Chem. Sci. 6 (2015) 5947–; doi:10.1039/C5SC02314A

data_1529214
_publ_section_title
;
 Rational enhancement of the energy barrier of bis(tetrapyrrole)
 dysprosium SMMs via replacing atom of porphyrin core
;
_journal_issue                   10
_journal_name_full               'Chem. Sci.'
_journal_page_first              5947
_journal_paper_doi               10.1039/C5SC02314A
_journal_volume                  6
_journal_year                    2015
_chemical_formula_sum            'C92 H76 Dy N11 O'
_chemical_formula_weight         1514.14
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2015-04-07 deposited with the CCDC.
2015-07-20 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.073(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.5705(12)
_cell_length_b                   22.6256(12)
_cell_length_c                   24.6091(11)
_cell_measurement_reflns_used    5155
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      64.1257
_cell_measurement_theta_min      3.2131
_cell_volume                     9632.4(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 16.2141
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0861
_diffrn_reflns_av_sigmaI/netI    0.1232
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            29858
_diffrn_reflns_theta_full        62.99
_diffrn_reflns_theta_max         62.99
_diffrn_reflns_theta_min         3.22
_exptl_absorpt_coefficient_mu    4.494
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.39061
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.044
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             3116
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_platon_squeeze_details
;
;
_refine_diff_density_max         3.258
_refine_diff_density_min         -0.932
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.934
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     926
_refine_ls_number_reflns         15393
_refine_ls_number_restraints     73
_refine_ls_restrained_S_all      0.941
_refine_ls_R_factor_all          0.1302
_refine_ls_R_factor_gt           0.0996
_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^)+(0.1746P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2531
_refine_ls_wR_factor_ref         0.2788
_reflns_number_gt                9264
_reflns_number_total             15393
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5sc02314a2.cif
_cod_data_source_block           DyPcOPor
_cod_depositor_comments
'Adding full bibliography for 1529214--1529215.cif.'
_cod_original_cell_volume        9632.4(9)
_cod_database_code               1529214