Synthesis of pyrazole (hemi)aminals via the cleavage of saturated aliphatic ether C‒O bonds in the presence of ferric halides
Govor, Evgen V.; Sanakis, Yiannis; Raptis, Raphael G.; New J. Chem. 41 (2017) 2220–; doi:10.1039/C6NJ03822K

data_7055977
_publ_section_title
;
 Synthesis of pyrazole (hemi)aminals via the cleavage of saturated
 aliphatic ether C--O bonds in the presence of ferric halides
;
_journal_issue                   6
_journal_name_full               'New J. Chem.'
_journal_page_first              2220
_journal_paper_doi               10.1039/C6NJ03822K
_journal_volume                  41
_journal_year                    2017
_chemical_formula_sum            'C24 H28 Br8 Cl16 Fe2 N8 O'
_chemical_formula_weight         1762.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-06-02 deposited with the CCDC.
2017-01-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.167(17)
_cell_length_b                   19.167(17)
_cell_length_c                   16.153(15)
_cell_measurement_temperature    296(2)
_cell_volume                     5934(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.1120
_diffrn_reflns_av_sigmaI/netI    0.0539
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            29854
_diffrn_reflns_theta_full        26.26
_diffrn_reflns_theta_max         26.26
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    6.627
_exptl_absorpt_correction_T_max  0.5162
_exptl_absorpt_correction_T_min  0.2936
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.973
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3360
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.978
_refine_diff_density_min         -0.680
_refine_diff_density_rms         0.132
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2977
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1160
_refine_ls_R_factor_gt           0.0630
_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^)+(0.1106P)^2^+28.3396P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1668
_refine_ls_wR_factor_ref         0.2057
_reflns_number_gt                1796
_reflns_number_total             2977
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6nj03822k2.cif
_cod_data_source_block           evg028_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7055976--7055983.cif.
;
_cod_original_sg_symbol_H-M      I4(1)/a
_cod_database_code               7055977