Synthesis of novel TEMPO stable free (poly)radical derivatives and their host‒guest interaction with cucurbit[6]uril
Ionita, Gabriela; Madalan, Augustin M.; Ariciu, Ana Maria; Medvedovici, Andrei; Ionita, Petre; New J. Chem. 40 (2016) 503–; doi:10.1039/C5NJ01518A

data_7055256
_publ_section_title
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 Synthesis of novel TEMPO stable free (poly)radical derivatives and their
 host--guest interaction with cucurbit[6]uril
;
_journal_issue                   1
_journal_name_full               'New J. Chem.'
_journal_page_first              503
_journal_paper_doi               10.1039/C5NJ01518A
_journal_volume                  40
_journal_year                    2016
_chemical_formula_sum            'C15 H21 N4 O5'
_chemical_formula_weight         337.36
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-05-25 deposited with the CCDC.
2015-11-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.562(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.8007(6)
_cell_length_b                   10.7877(5)
_cell_length_c                   20.2847(16)
_cell_measurement_reflns_used    12571
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.16
_cell_measurement_theta_min      2.14
_cell_volume                     1706.4(2)
_computing_cell_refinement       X-Area
_computing_data_collection       X-Area
_computing_data_reduction        X-Area
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_unetI/netI     0.0406
_diffrn_reflns_laue_measured_fraction_full 0.999
_diffrn_reflns_laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            17932
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.160
_diffrn_reflns_theta_min         2.138
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.9476
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.120
_refine_diff_density_min         -0.158
_refine_diff_density_rms         0.026
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.973
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3775
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.1063
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0541P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0985
_refine_ls_wR_factor_ref         0.1162
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2142
_reflns_number_total             3775
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5nj01518a2.cif
_cod_data_source_block           shelx
_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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               7055256
_shelxl_version_number           2014-3
_shelx_res_checksum              65100