A family of lanthanide‒nitronyl nitroxide complexes: syntheses, crystal structures and magnetic properties
Wang, Ya-Li; Gao, Yuan-Yuan; Ma, Yue; Wang, Qing-Lun; Li, Li-Cun; Liao, Dai-Zheng; CrystEngComm 14 (2012) 4706–; doi:10.1039/c2ce25116g

data_7208085
_publ_section_title
;
 A family of lanthanide--nitronyl nitroxide complexes: syntheses, crystal
 structures and magnetic properties
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              4706
_journal_paper_doi               10.1039/c2ce25116g
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C18 H21 N2 O3'
_chemical_formula_weight         313.37
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 97.977(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   29.00(2)
_cell_length_b                   11.358(8)
_cell_length_c                   20.024(15)
_cell_measurement_reflns_used    13677
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.91
_cell_measurement_theta_min      2.14
_cell_volume                     6532(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      113(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0834
_diffrn_reflns_av_sigmaI/netI    0.0843
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            41194
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.08
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.983
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.062
_refine_ls_extinction_coef       0.0099(4)
_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   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     851
_refine_ls_number_reflns         11306
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1363
_refine_ls_R_factor_gt           0.1015
_refine_ls_shift/su_max          0.046
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0938P)^2^+14.5013P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2319
_refine_ls_wR_factor_ref         0.2550
_reflns_number_gt                8090
_reflns_number_total             11306
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25116g.txt
_cod_data_source_block           shelxl
_cod_original_cell_volume        6531(8)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7208085