#------------------------------------------------------------------------------
#$Date: 2017-10-13 12:31:46 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201979 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/23/08/2230803.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2230803
loop_
_publ_author_name
'Doboszewski, Bogdan'
'McGarrah, James'
'Nazarenko, Alexander Y.'
'da Paixao Soares, Fabio'
_publ_section_title
;
 Dimethyl hydrazine-1,2-dicarboxylate--triphenylphosphine oxide (1/1)
;
_journal_coeditor_code           MW2011
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1565
_journal_paper_doi               10.1107/S160053681101991X
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C4 H8 N2 O4, C18 H15 O P'
_chemical_formula_moiety         'C4 H8 N2 O4, C18 H15 O P'
_chemical_formula_sum            'C22 H23 N2 O5 P'
_chemical_formula_weight         426.39
_chemical_name_systematic
;
Dimethyl hydrazine-1,2-dicarboxylate--triphenylphosphine oxide (1/1)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 109.090(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.494(3)
_cell_length_b                   8.5545(9)
_cell_length_c                   20.4426(19)
_cell_measurement_reflns_used    3730
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24.42
_cell_measurement_theta_min      2.51
_cell_volume                     4378.4(8)
_computing_cell_refinement
'APEX2 (Bruker, 2010) and SAINT (Bruker, 2009)'
_computing_data_collection       'GIS (Bruker, 2010)'
_computing_data_reduction
'SAINT (Bruker, 2009) and XPREP (Bruker, 2009)'
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997) and Mercury
(Macrae  et al., 2008)
;
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008b)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008b)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART X2S'
_diffrn_measurement_method       'ω scans'
_diffrn_radiation_monochromator  'doubly curved silicon crystal'
_diffrn_radiation_source         'XOS X-beam microfocus source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0358
_diffrn_reflns_av_sigmaI/netI    0.0332
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20468
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.84
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.7
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.263
_refine_diff_density_min         -0.297
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0533P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0953
_reflns_number_gt                2956
_reflns_number_total             3862
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            mw2011.cif
_cod_data_source_block           I
_cod_original_cell_volume        4378.3(8)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2230803
_cod_database_fobs_code          2230803
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y, -z+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y, z-1/2'
'-x+1/2, -y+1/2, -z'
'x+1/2, -y+1/2, z-1/2'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_disorder_assembly
_atom_site_disorder_group
P P1 0.149303(17) 0.57905(5) 0.87467(2) 0.02544(14) Uani d . 1 1 . .
O O1 -0.00845(5) 0.79421(15) 0.65671(7) 0.0488(4) Uani d . 1 1 . .
O O2 0.07350(5) 0.70178(15) 0.66494(6) 0.0447(3) Uani d . 1 1 . .
O O3 0.08693(5) 0.23349(15) 0.65300(7) 0.0476(4) Uani d . 1 1 . .
O O4 0.01686(5) 0.35822(15) 0.57612(6) 0.0451(3) Uani d . 1 1 . .
O O5 0.10118(4) 0.50237(13) 0.82537(5) 0.0294(3) Uani d . 1 1 . .
N N1 0.00680(6) 0.54291(18) 0.67207(8) 0.0378(4) Uani d . 1 1 . .
H H1 -0.0244(8) 0.535(2) 0.6754(10) 0.048(6) Uiso d . 1 1 . .
N N2 0.03969(6) 0.41275(18) 0.68918(8) 0.0372(4) Uani d . 1 1 . .
H H2 0.0640(7) 0.419(2) 0.7272(10) 0.036(5) Uiso d . 1 1 . .
C C1 0.00936(10) 0.9500(2) 0.65050(13) 0.0638(7) Uani d . 1 1 . .
H H1C -0.0205(4) 1.0138(9) 0.6276(8) 0.096 Uiso d R 1 1 . .
H H1B 0.0332(6) 0.9482(3) 0.6246(8) 0.096 Uiso d R 1 1 . .
H H1A 0.0271(6) 0.9911(9) 0.6953(6) 0.096 Uiso d R 1 1 . .
C C2 0.02861(7) 0.6822(2) 0.66519(8) 0.0351(4) Uani d . 1 1 . .
C C3 0.05118(7) 0.3283(2) 0.63982(9) 0.0349(4) Uani d . 1 1 . .
C C4 0.02347(10) 0.2626(3) 0.52124(11) 0.0646(7) Uani d . 1 1 . .
H H4C 0.0053(6) 0.3099(11) 0.4776(6) 0.097 Uiso d R 1 1 . .
H H4B 0.0089(6) 0.1613(14) 0.5229(5) 0.097 Uiso d R 1 1 . .
H H4A 0.0606(5) 0.2535(15) 0.5269(5) 0.097 Uiso d R 1 1 . .
C C11 0.16370(7) 0.50014(18) 0.96079(8) 0.0281(4) Uani d . 1 1 . .
C C12 0.12062(8) 0.4739(2) 0.98395(10) 0.0405(5) Uani d . 1 1 . .
H H12A 0.0857(7) 0.4938(5) 0.9542(6) 0.049 Uiso d R 1 1 . .
C C13 0.12841(9) 0.4190(2) 1.04989(10) 0.0486(5) Uani d . 1 1 . .
H H13A 0.0996(6) 0.4028(4) 1.0647(3) 0.058 Uiso d R 1 1 . .
C C14 0.17909(9) 0.3886(2) 1.09350(11) 0.0517(6) Uani d . 1 1 . .
H H14A 0.18455(16) 0.3523(9) 1.1397(11) 0.062 Uiso d R 1 1 . .
C C15 0.22194(9) 0.4102(3) 1.07079(11) 0.0575(6) Uani d . 1 1 . .
H H15A 0.2541(8) 0.3883(6) 1.0982(7) 0.069 Uiso d R 1 1 . .
C C16 0.21459(8) 0.4665(2) 1.00490(9) 0.0425(5) Uani d . 1 1 . .
H H16A 0.2438(6) 0.4818(4) 0.9902(3) 0.051 Uiso d R 1 1 . .
C C21 0.14139(6) 0.78746(18) 0.88138(8) 0.0268(4) Uani d . 1 1 . .
C C22 0.13023(7) 0.8756(2) 0.82090(10) 0.0350(4) Uani d . 1 1 . .
H H22A 0.12774(8) 0.8242(10) 0.7772(8) 0.042 Uiso d R 1 1 . .
C C23 0.12265(8) 1.0355(2) 0.82236(11) 0.0422(5) Uani d . 1 1 . .
H H23A 0.11515(17) 1.0970(12) 0.7799(9) 0.051 Uiso d R 1 1 . .
C C24 0.12570(8) 1.1079(2) 0.88404(11) 0.0473(5) Uani d . 1 1 . .
H H24A 0.12009(15) 1.216(2) 0.88489(11) 0.057 Uiso d R 1 1 . .
C C25 0.13689(8) 1.0227(2) 0.94401(11) 0.0457(5) Uani d . 1 1 . .
H H25A 0.13925(9) 1.0737(11) 0.9865(9) 0.055 Uiso d R 1 1 . .
C C26 0.14479(7) 0.8620(2) 0.94297(10) 0.0352(4) Uani d . 1 1 . .
H H26A 0.15250(16) 0.8033(11) 0.9845(8) 0.042 Uiso d R 1 1 . .
C C31 0.20790(7) 0.55624(18) 0.84924(8) 0.0276(4) Uani d . 1 1 . .
C C32 0.20893(8) 0.4427(2) 0.80066(9) 0.0392(5) Uani d . 1 1 . .
H H32A 0.1776(6) 0.3766(13) 0.7795(4) 0.047 Uiso d R 1 1 . .
C C33 0.25459(8) 0.4243(3) 0.78255(11) 0.0515(6) Uani d . 1 1 . .
H H33A 0.25523(9) 0.3520(18) 0.7511(8) 0.062 Uiso d R 1 1 . .
C C34 0.29896(8) 0.5155(3) 0.81221(10) 0.0477(5) Uani d . 1 1 . .
H H34A 0.3296(7) 0.5006(4) 0.8003(3) 0.057 Uiso d R 1 1 . .
C C35 0.29792(8) 0.6288(2) 0.85965(10) 0.0423(5) Uani d . 1 1 . .
H H35A 0.3295(6) 0.6949(14) 0.8805(4) 0.051 Uiso d R 1 1 . .
C C36 0.25267(7) 0.6494(2) 0.87778(9) 0.0352(4) Uani d . 1 1 . .
H H36A 0.25208(7) 0.7255(16) 0.9091(6) 0.042 Uiso d R 1 1 . .
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'
P P 0.1023 0.0942 '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_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O5 P1 C31 . . 112.56(7) ?
O5 P1 C21 . . 112.97(7) ?
C31 P1 C21 . . 105.14(7) ?
O5 P1 C11 . . 110.80(7) ?
C31 P1 C11 . . 108.28(8) ?
C21 P1 C11 . . 106.73(8) ?
C2 O1 C1 . . 115.29(16) ?
C3 O4 C4 . . 115.36(16) ?
C2 N1 N2 . . 118.65(16) ?
C2 N1 H1 . . 122.3(13) ?
N2 N1 H1 . . 117.6(13) ?
C3 N2 N1 . . 121.10(16) ?
C3 N2 H2 . . 115.9(12) ?
N1 N2 H2 . . 114.3(12) ?
O1 C1 H1C . . 109.5 ?
O1 C1 H1B . . 109.5 ?
H1C C1 H1B . . 109.5 ?
O1 C1 H1A . . 109.5 ?
H1C C1 H1A . . 109.5 ?
H1B C1 H1A . . 109.5 ?
O2 C2 O1 . . 125.67(18) ?
O2 C2 N1 . . 125.44(18) ?
O1 C2 N1 . . 108.86(15) ?
O3 C3 O4 . . 125.12(17) ?
O3 C3 N2 . . 122.87(17) ?
O4 C3 N2 . . 111.95(16) ?
O4 C4 H4C . . 109.5 ?
O4 C4 H4B . . 109.5 ?
H4C C4 H4B . . 109.5 ?
O4 C4 H4A . . 109.5 ?
H4C C4 H4A . . 109.5 ?
H4B C4 H4A . . 109.5 ?
C16 C11 C12 . . 118.54(16) ?
C16 C11 P1 . . 124.23(14) ?
C12 C11 P1 . . 117.23(13) ?
C13 C12 C11 . . 120.77(19) ?
C13 C12 H12A . . 119.6 ?
C11 C12 H12A . . 119.6 ?
C14 C13 C12 . . 120.1(2) ?
C14 C13 H13A . . 119.9 ?
C12 C13 H13A . . 119.9 ?
C13 C14 C15 . . 119.8(2) ?
C13 C14 H14A . . 120.1 ?
C15 C14 H14A . . 120.1 ?
C14 C15 C16 . . 120.5(2) ?
C14 C15 H15A . . 119.7 ?
C16 C15 H15A . . 119.7 ?
C15 C16 C11 . . 120.22(19) ?
C15 C16 H16A . . 119.9 ?
C11 C16 H16A . . 119.9 ?
C26 C21 C22 . . 119.19(16) ?
C26 C21 P1 . . 123.23(13) ?
C22 C21 P1 . . 117.57(13) ?
C23 C22 C21 . . 120.35(18) ?
C23 C22 H22A . . 119.8 ?
C21 C22 H22A . . 119.8 ?
C24 C23 C22 . . 119.80(19) ?
C24 C23 H23A . . 120.1 ?
C22 C23 H23A . . 120.1 ?
C25 C24 C23 . . 120.46(19) ?
C25 C24 H24A . . 119.8 ?
C23 C24 H24A . . 119.8 ?
C24 C25 C26 . . 120.04(19) ?
C24 C25 H25A . . 120.0 ?
C26 C25 H25A . . 120.0 ?
C21 C26 C25 . . 120.16(18) ?
C21 C26 H26A . . 119.9 ?
C25 C26 H26A . . 119.9 ?
C36 C31 C32 . . 119.02(17) ?
C36 C31 P1 . . 120.98(13) ?
C32 C31 P1 . . 120.00(13) ?
C33 C32 C31 . . 119.46(18) ?
C33 C32 H32A . . 120.3 ?
C31 C32 H32A . . 120.3 ?
C34 C33 C32 . . 120.84(19) ?
C34 C33 H33A . . 119.6 ?
C32 C33 H33A . . 119.6 ?
C33 C34 C35 . . 119.90(19) ?
C33 C34 H34A . . 120.0 ?
C35 C34 H34A . . 120.0 ?
C36 C35 C34 . . 119.92(19) ?
C36 C35 H35A . . 120.0 ?
C34 C35 H35A . . 120.0 ?
C35 C36 C31 . . 120.85(18) ?
C35 C36 H36A . . 119.6 ?
C31 C36 H36A . . 119.6 ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
P1 O5 . 1.4938(11) ?
P1 C31 . 1.8017(17) ?
P1 C21 . 1.8056(16) ?
P1 C11 . 1.8058(17) ?
O1 C2 . 1.342(2) ?
O1 C1 . 1.433(2) ?
O2 C2 . 1.203(2) ?
O3 C3 . 1.209(2) ?
O4 C3 . 1.347(2) ?
O4 C4 . 1.445(2) ?
N1 C2 . 1.352(2) ?
N1 N2 . 1.386(2) ?
N1 H1 . 0.85(2) ?
N2 C3 . 1.354(2) ?
N2 H2 . 0.832(18) ?
C1 H1C . 0.9492 ?
C1 H1B . 0.9492 ?
C1 H1A . 0.9492 ?
C4 H4C . 0.9539 ?
C4 H4B . 0.9539 ?
C4 H4A . 0.9539 ?
C11 C16 . 1.385(2) ?
C11 C12 . 1.389(2) ?
C12 C13 . 1.378(3) ?
C12 H12A . 0.9422 ?
C13 C14 . 1.372(3) ?
C13 H13A . 0.9187 ?
C14 C15 . 1.373(3) ?
C14 H14A . 0.9582 ?
C15 C16 . 1.383(3) ?
C15 H15A . 0.8729 ?
C16 H16A . 0.9271 ?
C21 C26 . 1.388(2) ?
C21 C22 . 1.395(2) ?
C22 C23 . 1.384(2) ?
C22 H22A . 0.9782 ?
C23 C24 . 1.383(3) ?
C23 H23A . 0.9780 ?
C24 C25 . 1.373(3) ?
C24 H24A . 0.9379 ?
C25 C26 . 1.391(2) ?
C25 H25A . 0.9546 ?
C26 H26A . 0.9485 ?
C31 C36 . 1.389(2) ?
C31 C32 . 1.396(2) ?
C32 C33 . 1.385(3) ?
C32 H32A . 0.9810 ?
C33 C34 . 1.375(3) ?
C33 H33A . 0.8962 ?
C34 C35 . 1.378(3) ?
C34 H34A . 0.9307 ?
C35 C36 . 1.377(2) ?
C35 H35A . 0.9830 ?
C36 H36A . 0.9161 ?
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_site_symmetry_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_publ_flag
N1 H1 O5 2_556 0.85(2) 2.05(2) 2.899(2) 174.2(19) y
N2 H2 O5 . 0.83(2) 2.05(2) 2.833(2) 155.9(17) y
C13 H13A O2 6_566 0.92 2.53 3.310(3) 143 y
C35 H35A O3 4_556 0.984 2.54 3.270(3) 131 y
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion
_geom_torsion_publ_flag
C2 N1 N2 C3 . . . . -85.2(2) ?
C1 O1 C2 O2 . . . . -3.3(3) ?
C1 O1 C2 N1 . . . . 178.43(16) ?
N2 N1 C2 O2 . . . . 8.9(3) ?
N2 N1 C2 O1 . . . . -172.85(14) ?
C4 O4 C3 O3 . . . . 2.5(3) ?
C4 O4 C3 N2 . . . . -174.72(16) ?
N1 N2 C3 O3 . . . . 165.73(17) ?
N1 N2 C3 O4 . . . . -17.0(2) ?
O5 P1 C11 C16 . . . . 138.93(15) ?
C31 P1 C11 C16 . . . . 15.04(17) ?
C21 P1 C11 C16 . . . . -97.70(16) ?
O5 P1 C11 C12 . . . . -41.92(15) ?
C31 P1 C11 C12 . . . . -165.81(13) ?
C21 P1 C11 C12 . . . . 81.45(14) ?
C16 C11 C12 C13 . . . . 1.5(3) ?
P1 C11 C12 C13 . . . . -177.73(15) ?
C11 C12 C13 C14 . . . . -0.4(3) ?
C12 C13 C14 C15 . . . . -1.2(3) ?
C13 C14 C15 C16 . . . . 1.7(3) ?
C14 C15 C16 C11 . . . . -0.7(3) ?
C12 C11 C16 C15 . . . . -0.9(3) ?
P1 C11 C16 C15 . . . . 178.22(16) ?
O5 P1 C21 C26 . . . . 120.24(14) ?
C31 P1 C21 C26 . . . . -116.65(14) ?
C11 P1 C21 C26 . . . . -1.77(16) ?
O5 P1 C21 C22 . . . . -58.38(15) ?
C31 P1 C21 C22 . . . . 64.74(15) ?
C11 P1 C21 C22 . . . . 179.61(13) ?
C26 C21 C22 C23 . . . . 0.0(3) ?
P1 C21 C22 C23 . . . . 178.68(14) ?
C21 C22 C23 C24 . . . . -0.6(3) ?
C22 C23 C24 C25 . . . . 0.8(3) ?
C23 C24 C25 C26 . . . . -0.6(3) ?
C22 C21 C26 C25 . . . . 0.3(3) ?
P1 C21 C26 C25 . . . . -178.33(14) ?
C24 C25 C26 C21 . . . . 0.0(3) ?
O5 P1 C31 C36 . . . . 163.98(13) ?
C21 P1 C31 C36 . . . . 40.60(16) ?
C11 P1 C31 C36 . . . . -73.19(15) ?
O5 P1 C31 C32 . . . . -16.60(16) ?
C21 P1 C31 C32 . . . . -139.98(14) ?
C11 P1 C31 C32 . . . . 106.23(15) ?
C36 C31 C32 C33 . . . . 0.7(3) ?
P1 C31 C32 C33 . . . . -178.72(14) ?
C31 C32 C33 C34 . . . . 0.5(3) ?
C32 C33 C34 C35 . . . . -1.2(3) ?
C33 C34 C35 C36 . . . . 0.7(3) ?
C34 C35 C36 C31 . . . . 0.5(3) ?
C32 C31 C36 C35 . . . . -1.2(3) ?
P1 C31 C36 C35 . . . . 178.21(13) ?
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 30656789
