Nanometre-sized titanium dioxide-catalyzed reactions of nitric oxide with aliphatic cyclic and aromatic amines.
Huang, Zhangjian; Zhang, Yihua; Fang, Lei; Zhang, Zhiguo; Lai, Yisheng; Ding, Ye; Cao, Fengqi; Zhang, Ji; Peng, Sixun; Chemical communications (Cambridge, England) 34 (2009) 1763–1765; doi:10.1039/b820535c

data_7104275
_publ_section_title
;
 Nanometre-sized titanium dioxide-catalyzed reactions of nitric oxide
 with aliphatic cyclic and aromatic amines.
;
_journal_issue                   13
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1763
_journal_page_last               1765
_journal_paper_doi               10.1039/b820535c
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C12 H19 Cl N4 O2'
_chemical_formula_sum            'C12 H19 Cl N4 O2'
_chemical_formula_weight         286.76
_chemical_name_common
;
Hydrochloride salt of O2-Methyl 1-(4-benzylpiperazin-1-
yl)diazen-1-ium-1,2-diolate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 96.14(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.0760(14)
_cell_length_b                   9.0240(18)
_cell_length_c                   22.863(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14
_cell_measurement_theta_min      10
_cell_volume                     1451.5(5)
_computing_cell_refinement       'CAD4 EXPRESS'
_computing_data_collection       'CAD4 EXPRESS(Enraf-Nonius,1994)'
_computing_data_reduction        'XCAD4(Harms & Wocadlo,1995)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius cad4'
_diffrn_measurement_method       \w/2\q
_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  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0330
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            2845
_diffrn_reflns_theta_full        25.26
_diffrn_reflns_theta_max         25.26
_diffrn_reflns_theta_min         1.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 200
_diffrn_standards_interval_time  2h
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.268
_exptl_absorpt_correction_T_max  0.9737
_exptl_absorpt_correction_T_min  0.9240
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2633
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0804
_refine_ls_R_factor_gt           0.0537
_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^)+(0.1000P)^2^+2.2200P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1401
_refine_ls_wR_factor_ref         0.1915
_reflns_number_gt                1972
_reflns_number_total             2633
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b820535c.txt
_cod_data_source_block           y
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7104275