Thermally-induced paramagnetism of spiropyrane iodides
Morgunov, Roman B.; Mushenok, Fedor B.; Aldoshin, Sergey M.; Sanina, Natalia A.; Yur’eva, Elena A.; Shilov, Gennadiy V.; Tkachev, Valeriy V.; New Journal of Chemistry 33 (2009) 1374–; doi:10.1039/b822567b

data_7053781
_publ_section_title
;
 Thermally-induced paramagnetism of spiropyrane iodides
;
_journal_issue                   6
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1374
_journal_paper_doi               10.1039/b822567b
_journal_volume                  33
_journal_year                    2009
_chemical_formula_moiety         'C23 H23 I N2 O'
_chemical_formula_sum            'C23 H23 I N2 O'
_chemical_formula_weight         470.33
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL7
_cell_angle_alpha                90.00
_cell_angle_beta                 98.14(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9250(16)
_cell_length_b                   11.338(2)
_cell_length_c                   23.147(5)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      5
_cell_volume                     2058.9(7)
_computing_structure_refinement  SHELXTL
_computing_structure_solution    SHELXTL
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0208
_diffrn_reflns_av_sigmaI/netI    0.0627
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            3944
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    1.570
_exptl_absorpt_correction_T_max  none
_exptl_absorpt_correction_T_min  none
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.517
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             944
_exptl_crystal_size_max          .36
_exptl_crystal_size_mid          .34
_exptl_crystal_size_min          .31
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.773
_refine_diff_density_rms         0.101
_refine_ls_extinction_coef       0.0010(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   0.978
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3659
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.978
_refine_ls_R_factor_all          0.1204
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0778P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1201
_refine_ls_wR_factor_ref         0.1347
_reflns_number_gt                2021
_reflns_number_total             3659
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b822567bsup1.cif
_cod_data_source_block           0
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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 21/n'
_cod_database_code               7053781