Structures of NHC Hg(ii) and Ag(i) complexes and selective recognition of nitrate anion
Liu, Qing-Xiang; Zhao, Zhi-Xiang; Zhao, Xiao-Jun; Wei, Qing; Chen, Ai-Hui; Li, Hui-Long; Wang, Xiu-Guang; CrystEngComm 17 (2015) 1358–; doi:10.1039/C4CE01519C

data_7219149
_publ_section_title
;
 Structures of NHC Hg(ii) and Ag(i) complexes and selective recognition of
 nitrate anion
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              1358
_journal_paper_doi               10.1039/C4CE01519C
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C38 H42 Ag Cr N4 O5.5'
_chemical_formula_weight         802.63
_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
_audit_update_record
;
2014-10-31 deposited with the CCDC.
2014-12-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.500(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.840(4)
_cell_length_b                   13.647(5)
_cell_length_c                   25.631(9)
_cell_measurement_reflns_used    9906
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.84
_cell_measurement_theta_min      2.43
_cell_volume                     3702(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0749
_diffrn_reflns_av_sigmaI/netI    0.0789
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            17003
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.63
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.871
_exptl_absorpt_correction_T_max  0.8805
_exptl_absorpt_correction_T_min  0.8315
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1652
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.790
_refine_diff_density_min         -0.971
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     467
_refine_ls_number_reflns         6469
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0677
_refine_ls_R_factor_gt           0.0603
_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^)+(0.0875P)^2^+4.0706P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1639
_refine_ls_wR_factor_ref         0.1718
_reflns_number_gt                5400
_reflns_number_total             6469
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01519c2.cif
_cod_data_source_block           n100518b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 2935 2014-11-11 08:27:57Z andrius 

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 

 Adding full bibliography for 7219144--7219151.cif.
;
_cod_original_sg_symbol_H-M      P21/c
_cod_original_formula_sum        'C38 H42 Ag Cr N4 O5.50'
_cod_database_code               7219149