ortho-Substituent effect on the crystal packing and solid state speciation of aromatic C-nitroso compounds
Pike, Sarah J.; Heliot, Armelle; Seaton, Colin C.; CrystEngComm  (2020) –; doi:10.1039/D0CE00728E

data_7240886
_publ_section_title
;
 ortho-Substituent effect on the crystal packing and solid state
 speciation of aromatic C-nitroso compounds
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00728E
_journal_year                    2020
_chemical_formula_moiety         'C14 H14 N2 O2'
_chemical_formula_sum            'C14 H14 N2 O2'
_chemical_formula_weight         242.27
_chemical_name_common            cis-o,o'-azodioxytoluene
_chemical_name_systematic
'Z-1, 2-bis(2-methylphenyl)diazene 1,2-dioxide'
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-11-29
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3510 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-05-13 deposited with the CCDC.	2020-07-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.000(7)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.1760(13)
_cell_length_b                   10.4211(6)
_cell_length_c                   15.5264(12)
_cell_measurement_reflns_used    3012
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.91
_cell_measurement_theta_min      2.35
_cell_volume                     2455.5(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.15
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.821
_diffrn_measured_fraction_theta_max 0.883
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1089
_diffrn_reflns_av_unetI/netI     0.1671
_diffrn_reflns_Laue_measured_fraction_full 0.821
_diffrn_reflns_Laue_measured_fraction_max 0.883
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15757
_diffrn_reflns_point_group_measured_fraction_full 0.821
_diffrn_reflns_point_group_measured_fraction_max 0.883
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.603
_diffrn_reflns_theta_min         2.624
_diffrn_source                   'sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_description       Block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.54
_exptl_crystal_size_min          0.45
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.826
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         3330
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.826
_refine_ls_R_factor_all          0.1260
_refine_ls_R_factor_gt           0.0522
_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^)+(0.0342P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1121
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1655
_reflns_number_total             3330
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00728e2.cif
_cod_data_source_block           sp101e_pl
_cod_database_code               7240886
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C11(H11), C12(H12), C10(H10), C13(H13), C5(H5), C6(H6), C3(H3), C4(H4)
2.b Idealised Me refined as rotating group:
 C14(H14a,H14b,H14c), C7(H7a,H7b,H7c)
;
_shelx_res_checksum              91735
_olex2_submission_special_instructions 'No special instructions were received'