#------------------------------------------------------------------------------
#$Date: 2018-09-09 18:17:47 +0300 (Sun, 09 Sep 2018) $
#$Revision: 210639 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/10/38/7103899.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_7103899
loop_
_publ_author_name
'Siemeling, Ulrich'
'Scheppelmann, Imke'
'Neumann, Beate'
'Stammler, Anja'
'Stammler, Hans-Georg'
'Frelek, Jadwiga'
_publ_section_title
;
 Spontaneous chiral resolution of a coordination polymer with distorted
 helical structure consisting of achiral building blocks
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   17
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2236
_journal_page_last               2237
_journal_paper_doi               10.1039/b307161h
_journal_year                    2003
_chemical_formula_moiety         'C27 H18 Br2 Hg N2 O + CH3CN'
_chemical_formula_sum            'C29 H21 Br2 Hg N3 O'
_chemical_formula_weight         787.90
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 104.891(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.7870(13)
_cell_length_b                   7.3490(3)
_cell_length_c                   13.3830(7)
_cell_measurement_temperature    140(2)
_cell_volume                     2641.1(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'KappaCCD '
_computing_data_reduction
'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL-PLUS (1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  KappaCCD
_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  0.0672
_diffrn_reflns_av_sigmaI/netI    0.0317
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            26541
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    8.881
_exptl_absorpt_correction_T_max  0.5368
_exptl_absorpt_correction_T_min  0.2454
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
?
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.981
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.463
_refine_diff_density_min         -1.689
_refine_diff_density_rms         0.157
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.031(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         4631
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0408
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.042
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0430P)²+40.2040P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0947
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                4503
_reflns_number_total             4631
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b307161h.txt
_cod_data_source_block           '[(2)HgBr2]'
_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      'C 2'
_cod_database_code               7103899
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y, -z'
'x+1/2, y+1/2, z'
'-x+1/2, y+1/2, -z'
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
_atom_site_disorder_assembly
_atom_site_disorder_group
Hg1 Hg 0.5000 -0.32869(6) 0.0000 0.03226(14) Uani 1 2 d S . .
Hg2 Hg 0.5000 -0.41076(6) 0.5000 0.04625(18) Uani 1 2 d S . .
Br1 Br 0.49454(4) -0.45320(14) 0.16966(8) 0.0445(3) Uani 1 1 d . . .
Br2 Br 0.41876(5) -0.5367(2) 0.50247(11) 0.0819(6) Uani 1 1 d . . .
N1 N 0.4416(3) -0.0827(12) -0.0156(6) 0.0374(18) Uani 1 1 d . . .
N2 N 0.4736(2) -0.1652(10) 0.3812(5) 0.0274(15) Uani 1 1 d . . .
O1 O 0.2265(2) -0.0873(9) 0.1689(5) 0.0328(14) Uani 1 1 d . . .
C1 C 0.2680(3) -0.0509(11) 0.1627(6) 0.0223(16) Uani 1 1 d . . .
C2 C 0.2840(3) -0.0123(10) 0.0643(6) 0.0216(16) Uani 1 1 d . . .
C3 C 0.3341(3) 0.0055(10) 0.0949(6) 0.0184(15) Uani 1 1 d . . .
C4 C 0.3525(3) -0.0145(10) 0.2097(6) 0.0200(15) Uani 1 1 d . . .
C5 C 0.3142(3) -0.0450(11) 0.2513(6) 0.0212(16) Uani 1 1 d . . .
C6 C 0.2487(3) -0.0197(10) -0.0387(6) 0.0216(16) Uani 1 1 d . . .
C7 C 0.1993(3) 0.0319(10) -0.0514(6) 0.0215(16) Uani 1 1 d . . .
H7 H 0.1885 0.0768 0.0058 0.026 Uiso 1 1 calc R . .
C8 C 0.1655(3) 0.0174(11) -0.1486(7) 0.0274(18) Uani 1 1 d . . .
H8 H 0.1319 0.0540 -0.1569 0.033 Uiso 1 1 calc R . .
C9 C 0.1802(3) -0.0491(12) -0.2321(6) 0.0287(19) Uani 1 1 d . . .
H9 H 0.1569 -0.0575 -0.2977 0.034 Uiso 1 1 calc R . .
C10 C 0.2292(3) -0.1039(11) -0.2206(7) 0.0286(18) Uani 1 1 d . . .
H10 H 0.2395 -0.1509 -0.2779 0.034 Uiso 1 1 calc R . .
C11 C 0.2633(3) -0.0891(11) -0.1236(7) 0.0264(18) Uani 1 1 d . . .
H11 H 0.2968 -0.1268 -0.1155 0.032 Uiso 1 1 calc R . .
C12 C 0.3695(3) 0.0281(11) 0.0290(6) 0.0211(16) Uani 1 1 d . . .
C13 C 0.3669(3) 0.1737(14) -0.0387(7) 0.0350(19) Uani 1 1 d . . .
H13 H 0.3407 0.2601 -0.0488 0.042 Uiso 1 1 calc R . .
C14 C 0.4038(4) 0.1884(17) -0.0910(9) 0.053(3) Uani 1 1 d . . .
H14 H 0.4045 0.2904 -0.1342 0.064 Uiso 1 1 calc R . .
C15 C 0.4389(4) 0.0562(15) -0.0802(8) 0.045(2) Uani 1 1 d . . .
H15 H 0.4624 0.0634 -0.1204 0.054 Uiso 1 1 calc R . .
C16 C 0.4076(3) -0.0966(12) 0.0352(6) 0.0283(18) Uani 1 1 d . . .
H16 H 0.4090 -0.1987 0.0794 0.034 Uiso 1 1 calc R . .
C17 C 0.4059(3) -0.0119(10) 0.2632(6) 0.0188(15) Uani 1 1 d . . .
C18 C 0.4380(3) 0.1250(11) 0.2523(6) 0.0253(17) Uani 1 1 d . . .
H18 H 0.4262 0.2251 0.2079 0.030 Uiso 1 1 calc R . .
C19 C 0.4879(3) 0.1159(13) 0.3069(7) 0.0326(19) Uani 1 1 d . . .
H19 H 0.5105 0.2097 0.3008 0.039 Uiso 1 1 calc R . .
C20 C 0.5038(3) -0.0327(14) 0.3700(6) 0.0314(19) Uani 1 1 d . . .
H20 H 0.5378 -0.0396 0.4069 0.038 Uiso 1 1 calc R . .
C21 C 0.4252(3) -0.1566(11) 0.3297(5) 0.0195(15) Uani 1 1 d . . .
H21 H 0.4035 -0.2515 0.3387 0.023 Uiso 1 1 calc R . .
C22 C 0.3128(3) -0.0591(11) 0.3607(6) 0.0230(16) Uani 1 1 d . . .
C23 C 0.3444(3) 0.0516(11) 0.4351(6) 0.0244(17) Uani 1 1 d . . .
H23 H 0.3662 0.1349 0.4146 0.029 Uiso 1 1 calc R . .
C24 C 0.3440(3) 0.0400(14) 0.5366(7) 0.035(2) Uani 1 1 d . . .
H24 H 0.3656 0.1150 0.5863 0.042 Uiso 1 1 calc R . .
C25 C 0.3120(4) -0.0811(15) 0.5684(8) 0.042(2) Uani 1 1 d . . .
H25 H 0.3119 -0.0893 0.6392 0.050 Uiso 1 1 calc R . .
C26 C 0.2809(4) -0.1876(14) 0.4958(7) 0.039(2) Uani 1 1 d . . .
H26 H 0.2587 -0.2691 0.5167 0.047 Uiso 1 1 calc R . .
C27 C 0.2810(3) -0.1785(13) 0.3921(7) 0.0323(19) Uani 1 1 d . . .
H27 H 0.2594 -0.2543 0.3429 0.039 Uiso 1 1 calc R . .
N3 N 0.1379(6) 0.201(3) 0.1671(12) 0.104(4) Uiso 1 1 d . . .
C28 C 0.1430(5) 0.096(2) 0.2334(11) 0.073(4) Uiso 1 1 d . . .
C29 C 0.1509(7) -0.030(3) 0.3144(13) 0.093(5) Uiso 1 1 d . . .
H29A H 0.1195 -0.0914 0.3136 0.140 Uiso 1 1 calc R . .
H29B H 0.1633 0.0332 0.3805 0.140 Uiso 1 1 calc R . .
H29C H 0.1755 -0.1204 0.3060 0.140 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'
Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Hg Hg -2.3894 9.2266 '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'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
N1 Hg1 N1 82.4(4) 2_655 . ?
N1 Hg1 Br1 99.06(19) 2_655 2_655 ?
N1 Hg1 Br1 113.32(19) . 2_655 ?
N1 Hg1 Br1 113.32(19) 2_655 . ?
N1 Hg1 Br1 99.06(19) . . ?
Br1 Hg1 Br1 136.85(5) 2_655 . ?
N2 Hg2 N2 82.0(3) 2_656 . ?
N2 Hg2 Br2 113.74(17) 2_656 . ?
N2 Hg2 Br2 99.65(17) . . ?
N2 Hg2 Br2 99.65(17) 2_656 2_656 ?
N2 Hg2 Br2 113.74(17) . 2_656 ?
Br2 Hg2 Br2 135.58(9) . 2_656 ?
C16 N1 C15 118.2(9) . . ?
C16 N1 Hg1 117.4(7) . . ?
C15 N1 Hg1 124.0(6) . . ?
C20 N2 C21 119.2(7) . . ?
C20 N2 Hg2 122.5(5) . . ?
C21 N2 Hg2 118.1(6) . . ?
O1 C1 C5 126.1(8) . . ?
O1 C1 C2 126.7(7) . . ?
C5 C1 C2 107.2(6) . . ?
C3 C2 C6 132.3(7) . . ?
C3 C2 C1 105.3(7) . . ?
C6 C2 C1 122.1(6) . . ?
C2 C3 C12 128.1(7) . . ?
C2 C3 C4 110.8(7) . . ?
C12 C3 C4 121.0(6) . . ?
C5 C4 C17 127.5(7) . . ?
C5 C4 C3 110.2(7) . . ?
C17 C4 C3 122.2(7) . . ?
C4 C5 C22 130.5(7) . . ?
C4 C5 C1 106.6(7) . . ?
C22 C5 C1 122.8(7) . . ?
C7 C6 C11 118.8(7) . . ?
C7 C6 C2 120.2(7) . . ?
C11 C6 C2 120.9(7) . . ?
C6 C7 C8 119.9(8) . . ?
C9 C8 C7 120.9(8) . . ?
C8 C9 C10 120.0(7) . . ?
C9 C10 C11 119.4(8) . . ?
C6 C11 C10 121.0(8) . . ?
C16 C12 C13 117.3(7) . . ?
C16 C12 C3 120.1(7) . . ?
C13 C12 C3 122.6(7) . . ?
C14 C13 C12 117.8(9) . . ?
C15 C14 C13 119.6(9) . . ?
N1 C15 C14 122.7(9) . . ?
N1 C16 C12 124.2(8) . . ?
C18 C17 C21 118.0(7) . . ?
C18 C17 C4 123.8(7) . . ?
C21 C17 C4 118.1(7) . . ?
C17 C18 C19 119.6(8) . . ?
C20 C19 C18 118.5(8) . . ?
N2 C20 C19 122.7(7) . . ?
N2 C21 C17 122.0(7) . . ?
C27 C22 C23 118.9(8) . . ?
C27 C22 C5 121.8(8) . . ?
C23 C22 C5 119.3(7) . . ?
C24 C23 C22 120.3(8) . . ?
C23 C24 C25 120.8(9) . . ?
C26 C25 C24 118.9(9) . . ?
C25 C26 C27 121.2(9) . . ?
C22 C27 C26 119.9(9) . . ?
N3 C28 C29 178.2(18) . . ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Hg1 N1 2.402(8) 2_655 ?
Hg1 N1 2.402(8) . ?
Hg1 Br1 2.4885(10) 2_655 ?
Hg1 Br1 2.4885(10) . ?
Hg2 N2 2.392(7) 2_656 ?
Hg2 N2 2.392(7) . ?
Hg2 Br2 2.4477(13) . ?
Hg2 Br2 2.4477(13) 2_656 ?
N1 C16 1.302(12) . ?
N1 C15 1.327(13) . ?
N2 C20 1.318(12) . ?
N2 C21 1.345(10) . ?
O1 C1 1.207(10) . ?
C1 C5 1.509(10) . ?
C1 C2 1.522(12) . ?
C2 C3 1.352(10) . ?
C2 C6 1.472(11) . ?
C3 C12 1.489(11) . ?
C3 C4 1.497(10) . ?
C4 C5 1.339(11) . ?
C4 C17 1.475(10) . ?
C5 C22 1.478(11) . ?
C6 C7 1.393(11) . ?
C6 C11 1.397(12) . ?
C7 C8 1.399(11) . ?
C8 C9 1.376(13) . ?
C9 C10 1.389(13) . ?
C10 C11 1.400(12) . ?
C12 C16 1.387(12) . ?
C12 C13 1.392(12) . ?
C13 C14 1.387(12) . ?
C14 C15 1.357(15) . ?
C17 C18 1.376(11) . ?
C17 C21 1.402(11) . ?
C18 C19 1.391(11) . ?
C19 C20 1.382(13) . ?
C22 C27 1.384(12) . ?
C22 C23 1.406(12) . ?
C23 C24 1.365(12) . ?
C24 C25 1.398(14) . ?
C25 C26 1.368(14) . ?
C26 C27 1.391(13) . ?
N3 C28 1.16(2) . ?
C28 C29 1.40(2) . ?
