#------------------------------------------------------------------------------
#$Date: 2016-03-24 02:18:16 +0200 (Thu, 24 Mar 2016) $
#$Revision: 179571 $
#$URL: svn://www.crystallography.net/cod/cif/4/50/36/4503609.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4503609
loop_
_publ_author_name
'Custelcean, Radu'
'Jiang, De-en'
'Hay, Benjamin P.'
'Luo, Wensui'
'Gu, Baohua'
_publ_section_title
;
 Hydrogen-Bonded Helices for Anion Binding and Separation
;
_journal_issue                   6
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              1909
_journal_paper_doi               10.1021/cg800137e
_journal_volume                  8
_journal_year                    2008
_chemical_formula_sum            'C11 H11 Br0.18 I0.82 N4 O'
_chemical_formula_weight         333.68
_chemical_name_systematic
; 
 ? 
;
_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                 102.7210(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1261(5)
_cell_length_b                   7.7747(3)
_cell_length_c                   13.5613(6)
_cell_measurement_temperature    173(2)
_cell_volume                     1247.13(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0174
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9926
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    2.689
_exptl_absorpt_correction_T_max  0.8773
_exptl_absorpt_correction_T_min  0.5305
_exptl_absorpt_correction_type   empirical
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             651
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.457
_refine_diff_density_min         -0.533
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         3098
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0206
_refine_ls_R_factor_gt           0.0184
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0299P)²+0.3321P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0489
_refine_ls_wR_factor_ref         0.0506
_reflns_number_gt                2837
_reflns_number_total             3098
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg800137e-file001.cif
_cod_data_source_block           1-H(I)(Br)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4503609
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
I1 I 0.829194(8) 0.123622(14) 0.900687(8) 0.02650(5) Uani 0.825(5) 1 d P
Br1 Br 0.829194(8) 0.123622(14) 0.900687(8) 0.02650(5) Uani 0.175(5) 1 d P
N1 N 0.82480(11) -0.12021(16) 1.38319(12) 0.0268(3) Uani 1 1 d .
H1N H 0.7967 -0.1356 1.4371 0.032 Uiso 1 1 calc R
O1 O 0.57062(11) 0.11140(15) 1.17381(10) 0.0314(3) Uani 1 1 d .
C4 C 0.97554(16) -0.1485(2) 1.30240(16) 0.0338(4) Uani 1 1 d .
H4 H 1.0510 -0.1830 1.3036 0.041 Uiso 1 1 calc R
N4 N 0.30565(13) 0.35670(19) 0.97886(12) 0.0311(3) Uani 1 1 d .
C6 C 0.62809(15) 0.11354(19) 1.11073(13) 0.0247(3) Uani 1 1 d .
C5 C 0.93094(15) -0.1708(2) 1.38692(15) 0.0343(4) Uani 1 1 d .
H5 H 0.9749 -0.2211 1.4466 0.041 Uiso 1 1 calc R
C1 C 0.75891(13) -0.0470(2) 1.30138(12) 0.0265(3) Uani 1 1 d .
H1 H 0.6842 -0.0123 1.3029 0.032 Uiso 1 1 calc R
C2 C 0.79976(13) -0.0220(2) 1.21454(12) 0.0250(3) Uani 1 1 d .
N3 N 0.59270(12) 0.1742(2) 1.01403(10) 0.0278(3) Uani 1 1 d .
H3N H 0.6394 0.1597 0.9734 0.033 Uiso 1 1 calc R
C8 C 0.49039(13) 0.2567(2) 0.97292(11) 0.0248(3) Uani 1 1 d .
N2 N 0.73803(11) 0.0537(2) 1.12710(10) 0.0298(3) Uani 1 1 d .
H2N H 0.7724 0.0649 1.0767 0.036 Uiso 1 1 calc R
C7 C 0.40107(13) 0.2745(2) 1.02184(12) 0.0287(3) Uani 1 1 d .
H7 H 0.4082 0.2269 1.0875 0.034 Uiso 1 1 calc R
C3 C 0.90999(14) -0.0757(2) 1.21584(13) 0.0297(3) Uani 1 1 d .
H3 H 0.9401 -0.0622 1.1573 0.036 Uiso 1 1 calc R
C11 C 0.29527(16) 0.4246(2) 0.88662(14) 0.0344(4) Uani 1 1 d .
H11 H 0.2279 0.4849 0.8573 0.041 Uiso 1 1 calc R
C9 C 0.47711(14) 0.3248(2) 0.87544(12) 0.0296(3) Uani 1 1 d .
H9 H 0.5354 0.3120 0.8393 0.036 Uiso 1 1 calc R
C10 C 0.37893(17) 0.4103(2) 0.83248(14) 0.0346(4) Uani 1 1 d .
H10 H 0.3689 0.4586 0.7668 0.041 Uiso 1 1 calc R
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
I I -0.4742 1.8119 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C5 N1 C1 123.30(16)
C5 C4 C3 119.85(17)
C11 N4 C7 119.35(16)
O1 C6 N3 124.78(16)
O1 C6 N2 124.31(15)
N3 C6 N2 110.91(14)
N1 C5 C4 118.78(17)
N1 C1 C2 120.13(15)
N2 C2 C1 123.97(14)
N2 C2 C3 118.21(14)
C1 C2 C3 117.82(15)
C6 N3 C8 127.04(14)
C7 C8 N3 124.68(14)
C7 C8 C9 118.12(15)
N3 C8 C9 117.20(14)
C6 N2 C2 126.87(14)
N4 C7 C8 121.83(15)
C4 C3 C2 120.12(16)
N4 C11 C10 122.42(17)
C10 C9 C8 119.43(16)
C9 C10 C11 118.82(17)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
N1 C5 1.336(2)
N1 C1 1.343(2)
O1 C6 1.217(2)
C4 C5 1.382(3)
C4 C3 1.385(3)
N4 C11 1.338(2)
N4 C7 1.338(2)
C6 N3 1.371(2)
C6 N2 1.383(2)
C1 C2 1.388(2)
C2 N2 1.386(2)
C2 C3 1.397(2)
N3 C8 1.399(2)
C8 C7 1.396(2)
C8 C9 1.400(2)
C11 C10 1.382(3)
C9 C10 1.376(3)
