Orthogonal halogen and hydrogen bonds involving a peptide bond model
Vasylyeva, Vera; Nayak, Susanta K.; Terraneo, Giancarlo; Cavallo, Gabriella; Metrangolo, Pierangelo; Resnati, Giuseppe; CrystEngComm 16 (2014) 8102–; doi:10.1039/C4CE01514B

data_7217207
_publ_section_title
;
 Orthogonal halogen and hydrogen bonds involving a peptide bond model
;
_journal_issue                   35
_journal_name_full               CrystEngComm
_journal_page_first              8102
_journal_paper_doi               10.1039/C4CE01514B
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         '(C6 I2 F4), (C3 H7 N O)'
_chemical_formula_sum            'C9 H7 F4 I2 N O'
_chemical_formula_weight         474.96
_chemical_melting_point          348(2)
_chemical_name_systematic
;
 1,3-Diiodotetrafluorobenzene N-Methylacetamide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 105.695(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0655(5)
_cell_length_b                   18.2945(10)
_cell_length_c                   9.1049(5)
_cell_measurement_reflns_used    240
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.6
_cell_volume                     1293.38(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            34556
_diffrn_reflns_theta_full        28.33
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    4.894
_exptl_absorpt_correction_T_max  0.7578
_exptl_absorpt_correction_T_min  0.4410
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    2.439
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.766
_refine_diff_density_min         -0.793
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         3213
_refine_ls_number_restraints     111
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0210
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0164P)^2^+0.9574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0398
_refine_ls_wR_factor_ref         0.0431
_reflns_number_gt                2609
_reflns_number_total             3213
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01514b2.cif
_cod_data_source_block           sn062
_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.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' 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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7217203--7217209.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7217207