#------------------------------------------------------------------------------
#$Date: 2016-03-25 13:22:13 +0100 (Fri 25 de Mar de 2016) $
#$Revision: 179892 $
#$URL: svn://www.crystallography.net/cod/cif/7/01/88/7018823.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_7018823
loop_
_publ_author_name
'Zelga, Karolina'
'Leszczyński, Michał'
'Justyniak, Iwona'
'Kornowicz, Arkadiusz'
'Cabaj, Maciej'
'Wheatley, Andrew E. H.'
'Lewiński, Janusz'
_publ_section_title
;
 Synthesis, structure and unique reactivity of the ethylzinc derivative of
 a bicyclic guanidine
;
_journal_issue                   19
_journal_name_full               'Dalton Transactions'
_journal_page_first              5934
_journal_paper_doi               10.1039/c2dt11959e
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C40 H74 Cl2 N12 O4 Zn4'
_chemical_formula_weight         1119.57
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.3290(10)
_cell_angle_beta                 105.682(2)
_cell_angle_gamma                95.588(2)
_cell_formula_units_Z            1
_cell_length_a                   9.3691(2)
_cell_length_b                   10.1339(4)
_cell_length_c                   13.1572(5)
_cell_measurement_reflns_used    4751
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     1190.23(7)
_computing_cell_refinement       'Denzo & Scalepak (Otwinowski, Minor, 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction        'Denzo & Scalepak (Otwinowski, Minor, 1997)'
_computing_molecular_graphics
;
DIAMOND v2.1 (Brandenburg, 1999)
Ortep-3 for Windows, L.J.Farrugia (1997) J.Appl.Cryst. 30, 565,
ORTEP III (Burnett, Johnson, 1996)
;
_computing_publication_material
;
SHELXL-97 (Sheldrick, 1997),
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device       'κ-geometry diffractometr'
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       'area detector ω 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  0.0240
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9435
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.46
_exptl_absorpt_coefficient_mu    2.157
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.562
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.983
_refine_diff_density_min         -0.908
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         5337
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0376
_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/[σ²(Fo²)+(0.0143P)²+3.3783P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0794
_refine_ls_wR_factor_ref         0.0837
_reflns_number_gt                4688
_reflns_number_total             5337
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            c2dt11959e.txt
_cod_data_source_block           shelxl_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1190.21(7)
_cod_database_code               7018823
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -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
C1 C -0.2489(3) 0.3946(3) 0.5308(2) 0.0213(6) Uani 1 1 d .
H1A H -0.2631 0.2984 0.5393 0.026 Uiso 1 1 calc R
H1B H -0.2996 0.4066 0.4562 0.026 Uiso 1 1 calc R
C2 C -0.3188(3) 0.4713(3) 0.6039(2) 0.0254(6) Uani 1 1 d .
H2A H -0.2710 0.4572 0.6776 0.038 Uiso 1 1 calc R
H2B H -0.4258 0.4398 0.5860 0.038 Uiso 1 1 calc R
H2C H -0.3050 0.5665 0.5955 0.038 Uiso 1 1 calc R
C3 C 0.3654(3) 0.4762(3) 0.7711(2) 0.0255(6) Uani 1 1 d .
H3A H 0.3310 0.5478 0.8107 0.031 Uiso 1 1 calc R
H3B H 0.4472 0.5166 0.7447 0.031 Uiso 1 1 calc R
C4 C 0.4216(3) 0.3719(3) 0.8438(2) 0.0286(7) Uani 1 1 d .
H4A H 0.3387 0.3269 0.8666 0.034 Uiso 1 1 calc R
H4B H 0.4998 0.4142 0.9078 0.034 Uiso 1 1 calc R
C5 C 0.4853(3) 0.2718(3) 0.7819(2) 0.0247(6) Uani 1 1 d .
H5A H 0.5910 0.3039 0.7887 0.030 Uiso 1 1 calc R
H5B H 0.4823 0.1855 0.8124 0.030 Uiso 1 1 calc R
C6 C 0.4555(3) 0.1497(3) 0.6094(2) 0.0229(6) Uani 1 1 d .
H6A H 0.4342 0.0616 0.6334 0.027 Uiso 1 1 calc R
H6B H 0.5650 0.1696 0.6232 0.027 Uiso 1 1 calc R
C7 C 0.3812(4) 0.1452(3) 0.4915(2) 0.0276(7) Uani 1 1 d .
H7A H 0.4007 0.0638 0.4536 0.033 Uiso 1 1 calc R
H7B H 0.4216 0.2239 0.4632 0.033 Uiso 1 1 calc R
C8 C 0.2144(3) 0.1449(3) 0.4750(2) 0.0253(6) Uani 1 1 d .
H8A H 0.1636 0.1414 0.3982 0.030 Uiso 1 1 calc R
H8B H 0.1744 0.0646 0.5016 0.030 Uiso 1 1 calc R
C9 C 0.2745(3) 0.3081(3) 0.6270(2) 0.0175(5) Uani 1 1 d .
C10 C 0.0403(3) 0.5759(3) 0.9011(2) 0.0252(6) Uani 1 1 d .
H10A H 0.0305 0.4799 0.9111 0.030 Uiso 1 1 calc R
H10B H -0.0494 0.6127 0.9116 0.030 Uiso 1 1 calc R
C11 C 0.1777(4) 0.6468(4) 0.9822(2) 0.0341(8) Uani 1 1 d .
H11A H 0.1711 0.6344 1.0548 0.041 Uiso 1 1 calc R
H11B H 0.2680 0.6102 0.9728 0.041 Uiso 1 1 calc R
C12 C 0.1867(4) 0.7913(4) 0.9667(2) 0.0358(8) Uani 1 1 d .
H12A H 0.1107 0.8319 0.9940 0.043 Uiso 1 1 calc R
H12B H 0.2863 0.8364 1.0079 0.043 Uiso 1 1 calc R
C13 C 0.1957(4) 0.9512(3) 0.8377(3) 0.0323(7) Uani 1 1 d .
H13A H 0.3037 0.9799 0.8697 0.039 Uiso 1 1 calc R
H13B H 0.1403 1.0073 0.8746 0.039 Uiso 1 1 calc R
C14 C 0.1549(4) 0.9734(3) 0.7219(3) 0.0333(7) Uani 1 1 d .
H14A H 0.2131 1.0558 0.7117 0.040 Uiso 1 1 calc R
H14B H 0.0473 0.9832 0.6963 0.040 Uiso 1 1 calc R
C15 C 0.1900(4) 0.8538(3) 0.6607(3) 0.0278(6) Uani 1 1 d .
H15A H 0.1665 0.8670 0.5845 0.033 Uiso 1 1 calc R
H15B H 0.2980 0.8455 0.6864 0.033 Uiso 1 1 calc R
C16 C 0.1035(3) 0.7109(3) 0.7738(2) 0.0203(6) Uani 1 1 d .
C17 C 0.4337(4) 0.1735(3) 1.0838(3) 0.0313(7) Uani 1 1 d .
H17A H 0.4377 0.1535 1.0099 0.038 Uiso 1 1 calc R
H17B H 0.5270 0.2298 1.1244 0.038 Uiso 1 1 calc R
C18 C 0.2995(4) 0.2448(4) 1.0855(3) 0.0382(8) Uani 1 1 d .
H18A H 0.3298 0.3407 1.1102 0.046 Uiso 1 1 calc R
H18B H 0.2266 0.2353 1.0144 0.046 Uiso 1 1 calc R
C19 C 0.2355(8) 0.1745(8) 1.1631(6) 0.127(4) Uani 1 1 d .
H19A H 0.2381 0.2382 1.2247 0.152 Uiso 1 1 calc R
H19B H 0.1304 0.1370 1.1286 0.152 Uiso 1 1 calc R
C20 C 0.3220(5) 0.0715(4) 1.1970(3) 0.0489(10) Uani 1 1 d .
H20A H 0.2557 -0.0121 1.1932 0.059 Uiso 1 1 calc R
H20B H 0.3826 0.0951 1.2717 0.059 Uiso 1 1 calc R
O1 O -0.0914(2) 0.43921(19) 0.55330(14) 0.0167(4) Uani 1 1 d .
O2 O 0.4170(3) 0.0527(2) 1.1313(2) 0.0365(5) Uani 1 1 d .
N1 N 0.2416(2) 0.4133(2) 0.68136(18) 0.0182(5) Uani 1 1 d .
N2 N 0.4013(3) 0.2517(2) 0.66922(18) 0.0198(5) Uani 1 1 d .
N3 N 0.1833(3) 0.2643(2) 0.53088(18) 0.0188(5) Uani 1 1 d .
N4 N 0.0489(3) 0.5915(2) 0.79286(18) 0.0206(5) Uani 1 1 d .
N5 N 0.1624(3) 0.8122(3) 0.8546(2) 0.0275(6) Uani 1 1 d .
N6 N 0.1032(3) 0.7313(2) 0.67402(19) 0.0208(5) Uani 1 1 d .
Zn1 Zn 0.04094(3) 0.42361(3) 0.70187(2) 0.01798(9) Uani 1 1 d .
Zn2 Zn 0.02843(3) 0.36594(3) 0.45649(2) 0.01605(8) Uani 1 1 d .
Cl1 Cl -0.06427(9) 0.24502(8) 0.75992(6) 0.03014(17) Uani 1 1 d .
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'
O O 0.0106 0.0060 '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'
Zn Zn 0.2839 1.4301 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cl Cl 0.1484 0.1585 '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
O1 C1 C2 111.4(2) . .
O1 C1 H1A 109.4 . .
C2 C1 H1A 109.4 . .
O1 C1 H1B 109.4 . .
C2 C1 H1B 109.4 . .
H1A C1 H1B 108.0 . .
C1 C2 H2A 109.5 . .
C1 C2 H2B 109.5 . .
H2A C2 H2B 109.5 . .
C1 C2 H2C 109.5 . .
H2A C2 H2C 109.5 . .
H2B C2 H2C 109.5 . .
N1 C3 C4 109.3(3) . .
N1 C3 H3A 109.8 . .
C4 C3 H3A 109.8 . .
N1 C3 H3B 109.8 . .
C4 C3 H3B 109.8 . .
H3A C3 H3B 108.3 . .
C3 C4 C5 107.4(2) . .
C3 C4 H4A 110.2 . .
C5 C4 H4A 110.2 . .
C3 C4 H4B 110.2 . .
C5 C4 H4B 110.2 . .
H4A C4 H4B 108.5 . .
N2 C5 C4 111.6(2) . .
N2 C5 H5A 109.3 . .
C4 C5 H5A 109.3 . .
N2 C5 H5B 109.3 . .
C4 C5 H5B 109.3 . .
H5A C5 H5B 108.0 . .
N2 C6 C7 110.9(2) . .
N2 C6 H6A 109.5 . .
C7 C6 H6A 109.5 . .
N2 C6 H6B 109.5 . .
C7 C6 H6B 109.5 . .
H6A C6 H6B 108.1 . .
C6 C7 C8 108.3(2) . .
C6 C7 H7A 110.0 . .
C8 C7 H7A 110.0 . .
C6 C7 H7B 110.0 . .
C8 C7 H7B 110.0 . .
H7A C7 H7B 108.4 . .
N3 C8 C7 110.8(3) . .
N3 C8 H8A 109.5 . .
C7 C8 H8A 109.5 . .
N3 C8 H8B 109.5 . .
C7 C8 H8B 109.5 . .
H8A C8 H8B 108.1 . .
N3 C9 N1 118.3(2) . .
N3 C9 N2 121.8(2) . .
N1 C9 N2 119.9(2) . .
N4 C10 C11 110.9(3) . .
N4 C10 H10A 109.5 . .
C11 C10 H10A 109.5 . .
N4 C10 H10B 109.5 . .
C11 C10 H10B 109.5 . .
H10A C10 H10B 108.0 . .
C12 C11 C10 108.0(3) . .
C12 C11 H11A 110.1 . .
C10 C11 H11A 110.1 . .
C12 C11 H11B 110.1 . .
C10 C11 H11B 110.1 . .
H11A C11 H11B 108.4 . .
N5 C12 C11 111.8(3) . .
N5 C12 H12A 109.3 . .
C11 C12 H12A 109.3 . .
N5 C12 H12B 109.3 . .
C11 C12 H12B 109.3 . .
H12A C12 H12B 107.9 . .
N5 C13 C14 112.8(3) . .
N5 C13 H13A 109.0 . .
C14 C13 H13A 109.0 . .
N5 C13 H13B 109.0 . .
C14 C13 H13B 109.0 . .
H13A C13 H13B 107.8 . .
C13 C14 C15 107.9(3) . .
C13 C14 H14A 110.1 . .
C15 C14 H14A 110.1 . .
C13 C14 H14B 110.1 . .
C15 C14 H14B 110.1 . .
H14A C14 H14B 108.4 . .
N6 C15 C14 110.8(3) . .
N6 C15 H15A 109.5 . .
C14 C15 H15A 109.5 . .
N6 C15 H15B 109.5 . .
C14 C15 H15B 109.5 . .
H15A C15 H15B 108.1 . .
N4 C16 N6 119.1(2) . .
N4 C16 N5 121.3(3) . .
N6 C16 N5 119.6(3) . .
O2 C17 C18 106.9(3) . .
O2 C17 H17A 110.3 . .
C18 C17 H17A 110.3 . .
O2 C17 H17B 110.3 . .
C18 C17 H17B 110.3 . .
H17A C17 H17B 108.6 . .
C19 C18 C17 103.0(3) . .
C19 C18 H18A 111.2 . .
C17 C18 H18A 111.2 . .
C19 C18 H18B 111.2 . .
C17 C18 H18B 111.2 . .
H18A C18 H18B 109.1 . .
C20 C19 C18 108.2(4) . .
C20 C19 H19A 110.1 . .
C18 C19 H19A 110.1 . .
C20 C19 H19B 110.1 . .
C18 C19 H19B 110.1 . .
H19A C19 H19B 108.4 . .
C19 C20 O2 109.3(3) . .
C19 C20 H20A 109.8 . .
O2 C20 H20A 109.8 . .
C19 C20 H20B 109.8 . .
O2 C20 H20B 109.8 . .
H20A C20 H20B 108.3 . .
C1 O1 Zn2 118.09(16) . 2_566
C1 O1 Zn1 117.59(16) . .
Zn2 O1 Zn1 98.67(8) 2_566 .
C1 O1 Zn2 119.90(16) . .
Zn2 O1 Zn2 95.35(8) 2_566 .
Zn1 O1 Zn2 103.05(8) . .
C20 O2 C17 107.3(3) . .
C9 N1 C3 114.2(2) . .
C9 N1 Zn1 122.71(19) . .
C3 N1 Zn1 114.36(18) . .
C9 N2 C6 123.0(2) . .
C9 N2 C5 124.0(2) . .
C6 N2 C5 112.4(2) . .
C9 N3 C8 118.0(2) . .
C9 N3 Zn2 122.23(19) . .
C8 N3 Zn2 119.25(18) . .
C16 N4 C10 117.6(2) . .
C16 N4 Zn1 123.52(19) . .
C10 N4 Zn1 115.88(19) . .
C16 N5 C13 123.9(3) . .
C16 N5 C12 122.4(3) . .
C13 N5 C12 113.5(3) . .
C16 N6 C15 116.6(2) . .
C16 N6 Zn2 126.8(2) . 2_566
C15 N6 Zn2 115.56(19) . 2_566
N1 Zn1 N4 108.19(10) . .
N1 Zn1 O1 103.89(8) . .
N4 Zn1 O1 108.45(9) . .
N1 Zn1 Cl1 117.12(7) . .
N4 Zn1 Cl1 112.16(7) . .
O1 Zn1 Cl1 106.42(6) . .
N1 Zn1 Zn2 92.26(7) . 2_566
N4 Zn1 Zn2 75.80(7) . 2_566
O1 Zn1 Zn2 40.54(5) . 2_566
Cl1 Zn1 Zn2 142.79(3) . 2_566
N3 Zn2 N6 113.26(10) . 2_566
N3 Zn2 O1 116.84(9) . 2_566
N6 Zn2 O1 115.15(9) 2_566 2_566
N3 Zn2 O1 112.32(8) . .
N6 Zn2 O1 111.33(9) 2_566 .
O1 Zn2 O1 84.65(8) 2_566 .
N3 Zn2 Zn2 124.18(7) . 2_566
N6 Zn2 Zn2 122.21(7) 2_566 2_566
O1 Zn2 Zn2 42.67(5) 2_566 2_566
O1 Zn2 Zn2 41.98(5) . 2_566
N3 Zn2 Zn1 144.17(7) . 2_566
N6 Zn2 Zn1 74.62(7) 2_566 2_566
O1 Zn2 Zn1 40.79(5) 2_566 2_566
O1 Zn2 Zn1 95.04(5) . 2_566
Zn2 Zn2 Zn1 63.330(12) 2_566 2_566
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
C1 O1 1.443(3) .
C1 C2 1.512(4) .
C1 H1A 0.9900 .
C1 H1B 0.9900 .
C2 H2A 0.9800 .
C2 H2B 0.9800 .
C2 H2C 0.9800 .
C3 N1 1.465(3) .
C3 C4 1.517(4) .
C3 H3A 0.9900 .
C3 H3B 0.9900 .
C4 C5 1.519(4) .
C4 H4A 0.9900 .
C4 H4B 0.9900 .
C5 N2 1.467(3) .
C5 H5A 0.9900 .
C5 H5B 0.9900 .
C6 N2 1.463(4) .
C6 C7 1.514(4) .
C6 H6A 0.9900 .
C6 H6B 0.9900 .
C7 C8 1.518(4) .
C7 H7A 0.9900 .
C7 H7B 0.9900 .
C8 N3 1.463(3) .
C8 H8A 0.9900 .
C8 H8B 0.9900 .
C9 N3 1.336(3) .
C9 N1 1.346(3) .
C9 N2 1.367(3) .
C10 N4 1.467(3) .
C10 C11 1.508(4) .
C10 H10A 0.9900 .
C10 H10B 0.9900 .
C11 C12 1.491(5) .
C11 H11A 0.9900 .
C11 H11B 0.9900 .
C12 N5 1.464(4) .
C12 H12A 0.9900 .
C12 H12B 0.9900 .
C13 N5 1.459(4) .
C13 C14 1.507(5) .
C13 H13A 0.9900 .
C13 H13B 0.9900 .
C14 C15 1.516(4) .
C14 H14A 0.9900 .
C14 H14B 0.9900 .
C15 N6 1.465(4) .
C15 H15A 0.9900 .
C15 H15B 0.9900 .
C16 N4 1.336(4) .
C16 N6 1.344(4) .
C16 N5 1.377(4) .
C17 O2 1.429(4) .
C17 C18 1.514(5) .
C17 H17A 0.9900 .
C17 H17B 0.9900 .
C18 C19 1.505(6) .
C18 H18A 0.9900 .
C18 H18B 0.9900 .
C19 C20 1.409(6) .
C19 H19A 0.9900 .
C19 H19B 0.9900 .
C20 O2 1.414(4) .
C20 H20A 0.9900 .
C20 H20B 0.9900 .
O1 Zn2 2.0289(19) 2_566
O1 Zn1 2.0389(18) .
O1 Zn2 2.0557(18) .
N1 Zn1 1.981(2) .
N3 Zn2 1.949(2) .
N4 Zn1 1.988(2) .
N6 Zn2 1.950(2) 2_566
Zn1 Cl1 2.2580(8) .
Zn1 Zn2 3.0856(4) 2_566
Zn2 N6 1.950(2) 2_566
Zn2 O1 2.0289(19) 2_566
Zn2 Zn2 3.0200(6) 2_566
Zn2 Zn1 3.0856(4) 2_566
