Syntheses, Supramolecular Structures, Magnetic and Photochromic Properties of Six Lanthanide Complexes Based on 5-Azotetrazolyl Salicylic Acid Ligand
Chen, Wen-Bin; Li, Zhi-Xin; Ouyang, Zhi-Jian; Lin, Wen-Ning; Yang, Liu; Dong, Wen; RSC Adv.  (2014) –; doi:10.1039/C4RA09951F

data_7218726
_publ_section_title
;
 Syntheses, Supramolecular Structures, Magnetic and Photochromic
 Properties of Six Lanthanide Complexes Based on 5-Azotetrazolyl Salicylic
 Acid Ligand
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA09951F
_journal_year                    2014
_chemical_formula_sum            'C16 H33 Er N12 O18'
_chemical_formula_weight         848.80
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.446(3)
_cell_angle_beta                 77.264(3)
_cell_angle_gamma                83.393(3)
_cell_formula_units_Z            4
_cell_length_a                   12.9043(8)
_cell_length_b                   13.7369(8)
_cell_length_c                   18.1170(10)
_cell_measurement_reflns_used    9514
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      2.32
_cell_measurement_theta_min      27.50
_cell_volume                     3106.9(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean none
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0227
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            47911
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.15
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    2.797
_exptl_absorpt_correction_T_max  0.588
_exptl_absorpt_correction_T_min  0.420
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.815
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1700.0
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.859
_refine_diff_density_min         -0.814
_refine_diff_density_rms         0.083
_refine_ls_extinction_coef       0.00025(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     818
_refine_ls_number_reflns         14304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0298
_refine_ls_R_factor_gt           0.0249
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0289P)^2^+3.6951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0615
_refine_ls_wR_factor_ref         0.0634
_reflns_number_gt                12323
_reflns_number_total             14304
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra09951f2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7218726