Magnetic Tuning of All-Organic Binary Alloys between Two Stable Radicals
Gonca Seber; Rafael S. Freitas; Joel T. Mague; Armando Paduan-Filho; Xavier Gratens; Valdir Bindilatti; Nei Fernandes Oliveira; Naoki Yoshioka; Paul M. Lahti; Journal of the American Chemical Society 134 (2012) 3825–3833; doi:10.1021/ja2104697

data_4117547
_publ_contact_author_address
;Dept of Chemistry
University of Massachusetts
Amherst, MA 01003 USA
;
_publ_contact_author_email       lahti@chem.umass.edu
_publ_contact_author_name        'Paul M. Lahti'
_publ_section_title
;
 Magnetic Tuning of All-Organic Binary Alloys between Two Stable Radicals
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3825
_journal_page_last               3833
_journal_paper_doi               10.1021/ja2104697
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C14 H14 F3 N4 O2'
_chemical_formula_sum            'C14 H14 F3 N4 O2'
_chemical_formula_weight         327.29
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.7678(7)
_cell_length_b                   15.6310(12)
_cell_length_c                   20.7838(16)
_cell_measurement_reflns_used    9926
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      2.61
_cell_volume                     2848.4(4)
_computing_cell_refinement       'Bruker SAINT (Bruker-AXS 2009a)'
_computing_data_collection       'Bruker APEX2 (Bruker-AXS, 2009)'
_computing_data_reduction        'Bruker SAINT (Bruker-AXS 2009a)'
_computing_molecular_graphics    'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_publication_material  'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       '\f and \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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            23652
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.9922
_exptl_absorpt_correction_T_min  0.8917
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_description       Column
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.046
_refine_ls_extinction_coef       0.0029(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   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3420
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0391
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+1.3341P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0960
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                2862
_reflns_number_total             3420
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2104697_si_002_05.cif
_cod_data_source_block           75_F4BImNN-25_BImNN_100K
_cod_original_sg_symbol_Hall     ' -P 2ac 2ab'
_cod_database_code               4117547