#------------------------------------------------------------------------------
#$Date: 2025-08-22 17:55:42 +0300 (Fri, 22 Aug 2025) $
#$Revision: 301864 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/21/68/7216829.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_7216829
loop_
_publ_author_name
'Vella-Zarb, Liana'
'Braga, Dario'
'Guy Orpen, A.'
'Baisch, Ulrich'
_publ_section_title
;
 The influence of hydrogen bonding on the planar arrangement of melamine
 in crystal structures of its solvates, cocrystals and salts
;
_journal_issue                   35
_journal_name_full               CrystEngComm
_journal_page_first              8147
_journal_paper_doi               10.1039/C4CE00748D
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C10 H14 N2 O8, 2(C3 H7 N6), 2(H2 O)'
_chemical_formula_sum            'C16 H32 N14 O10'
_chemical_formula_weight         580.55
_chemical_name_systematic
'bis-1,2,3-Triamino-2,4,6-triazinium ethylenetriaminetetraacetate diaqua'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2014-04-07
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                80.755(3)
_cell_angle_beta                 78.037(4)
_cell_angle_gamma                83.455(3)
_cell_formula_units_Z            1
_cell_length_a                   7.0884(3)
_cell_length_b                   7.7150(2)
_cell_length_c                   11.6340(5)
_cell_measurement_temperature    296.15
_cell_volume                     612.18(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.877
_diffrn_measurement_device_type
'XCalibur S 95mm CCD camera (sapphire) on κ-goniostat'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0241
_diffrn_reflns_av_unetI/netI     0.0378
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.877
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13003
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.877
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         29.326
_diffrn_reflns_theta_min         2.684
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.9900
_exptl_absorpt_correction_T_min  0.9298
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.13 (release 29-11-2007 CrysAlis171 .NET)
(compiled Nov 29 2007,17:23:28)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.575
_exptl_crystal_description       block
_exptl_crystal_F_000             306
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.897
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         2953
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.897
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0339
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[σ²(Fo²)+(0.0541P)²]
 where P=(Fo²+2Fc²)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1834
_reflns_number_total             2953
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c4ce00748d2.cif
_cod_data_source_block           3_741062_MelEDTA
_cod_depositor_comments
'Adding full bibliography for 7216829--7216833.cif.'
_cod_database_code               7216829
#BEGIN Tags that were not found in dictionaries:
_shelxl_version_number           2013-2
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C22(H22A,H22B), C31(H31A,H31B)
;
#END Tags that were not found in dictionaries
loop_
_space_group_symop_operation_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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
O11 O 1.07521(13) 0.17711(11) 0.00989(8) 0.0323(2) Uani 1 1 d .
O12 O 1.11531(14) 0.38869(12) -0.14660(9) 0.0390(3) Uani 1 1 d .
O21 O 0.59629(16) 0.22371(14) 0.30584(8) 0.0468(3) Uani 1 1 d .
O22 O 0.72759(16) -0.01238(13) 0.22287(9) 0.0461(3) Uani 1 1 d .
N11 N 0.70620(15) 0.14057(14) -0.00239(9) 0.0264(3) Uani 1 1 d .
C11 C 1.02287(19) 0.27371(16) -0.07646(11) 0.0273(3) Uani 1 1 d .
C12 C 0.83026(19) 0.24355(17) -0.10504(11) 0.0308(3) Uani 1 1 d .
H12A H 0.7617 0.3566 -0.1261 0.037 Uiso 1 1 calc R
H12B H 0.8540 0.1804 -0.1730 0.037 Uiso 1 1 calc R
C21 C 0.6546(2) 0.14092(19) 0.21953(12) 0.0333(3) Uani 1 1 d .
C22 C 0.6338(2) 0.24519(17) 0.09867(11) 0.0320(3) Uani 1 1 d .
H22A H 0.4985 0.2844 0.1001 0.038 Uiso 1 1 calc R
H22B H 0.7050 0.3491 0.0851 0.038 Uiso 1 1 calc R
C31 C 0.54926(19) 0.06985(17) -0.04598(11) 0.0306(3) Uani 1 1 d .
H31A H 0.6045 0.0199 -0.1182 0.037 Uiso 1 1 calc R
H31B H 0.4543 0.1656 -0.0645 0.037 Uiso 1 1 calc R
H11 H 0.779(2) 0.051(2) 0.0229(13) 0.041(4) Uiso 1 1 d .
N1 N 0.78814(16) -0.04351(15) 0.67091(10) 0.0345(3) Uani 1 1 d .
N2 N 0.76774(18) -0.06732(19) 0.47581(11) 0.0423(3) Uani 1 1 d .
N3 N 0.90086(17) -0.31177(16) 0.58734(9) 0.0373(3) Uani 1 1 d .
N4 N 0.9125(2) -0.28756(19) 0.77711(11) 0.0404(3) Uani 1 1 d .
N5 N 0.6547(2) 0.18797(19) 0.55382(15) 0.0497(4) Uani 1 1 d .
N6 N 0.8746(2) -0.3213(3) 0.39521(13) 0.0573(4) Uani 1 1 d .
C1 C 0.86687(19) -0.21171(18) 0.67585(11) 0.0317(3) Uani 1 1 d .
C2 C 0.7363(2) 0.02596(19) 0.56946(12) 0.0367(3) Uani 1 1 d .
C3 C 0.8481(2) -0.2346(2) 0.48749(12) 0.0391(4) Uani 1 1 d .
H4A H 0.972(2) -0.388(2) 0.7809(14) 0.049(5) Uiso 1 1 d .
H4B H 0.906(2) -0.2238(19) 0.8365(14) 0.041(4) Uiso 1 1 d .
H5A H 0.615(3) 0.255(3) 0.6130(18) 0.079(7) Uiso 1 1 d .
H5B H 0.630(2) 0.230(2) 0.4875(17) 0.053(5) Uiso 1 1 d .
H6A H 0.926(3) -0.425(3) 0.3979(17) 0.066(7) Uiso 1 1 d .
H6B H 0.838(3) -0.268(3) 0.330(2) 0.081(7) Uiso 1 1 d .
H2 H 0.738(2) -0.021(2) 0.4099(17) 0.058(5) Uiso 1 1 d .
O91 O 0.49382(19) 0.58720(18) 0.26406(12) 0.0559(3) Uani 1 1 d .
H91A H 0.620(4) 0.615(4) 0.224(2) 0.129(10) Uiso 1 1 d .
H91B H 0.501(3) 0.478(3) 0.296(2) 0.091(8) Uiso 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'
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
C12 N11 C22 111.97(10) . .
C12 N11 C31 109.16(10) . .
C12 N11 H11 106.8(9) . .
C22 N11 H11 107.4(10) . .
C31 N11 C22 114.13(10) . .
C31 N11 H11 107.0(10) . .
O11 C11 O12 127.21(13) . .
O11 C11 C12 117.27(11) . .
O12 C11 C12 115.44(11) . .
N11 C12 C11 112.03(10) . .
N11 C12 H12A 109.2 . .
N11 C12 H12B 109.2 . .
C11 C12 H12A 109.2 . .
C11 C12 H12B 109.2 . .
H12A C12 H12B 107.9 . .
O21 C21 C22 115.08(12) . .
O22 C21 O21 126.61(13) . .
O22 C21 C22 118.30(12) . .
N11 C22 C21 113.20(11) . .
N11 C22 H22A 108.9 . .
N11 C22 H22B 108.9 . .
C21 C22 H22A 108.9 . .
C21 C22 H22B 108.9 . .
H22A C22 H22B 107.8 . .
N11 C31 C31 111.27(13) . 2_655
N11 C31 H31A 109.4 . .
N11 C31 H31B 109.4 . .
C31 C31 H31A 109.4 2_655 .
C31 C31 H31B 109.4 2_655 .
H31A C31 H31B 108.0 . .
C2 N1 C1 115.55(12) . .
C2 N2 H2 121.0(12) . .
C3 N2 C2 119.80(13) . .
C3 N2 H2 119.2(12) . .
C3 N3 C1 115.27(12) . .
C1 N4 H4A 119.3(12) . .
C1 N4 H4B 120.2(10) . .
H4A N4 H4B 118.9(16) . .
C2 N5 H5A 123.7(13) . .
C2 N5 H5B 119.1(12) . .
H5A N5 H5B 117.0(18) . .
C3 N6 H6A 121.5(14) . .
C3 N6 H6B 118.7(14) . .
H6A N6 H6B 120(2) . .
N1 C1 N3 126.45(12) . .
N4 C1 N1 117.21(13) . .
N4 C1 N3 116.33(13) . .
N1 C2 N2 121.10(14) . .
N5 C2 N1 121.59(15) . .
N5 C2 N2 117.30(15) . .
N3 C3 N2 121.79(13) . .
N3 C3 N6 120.13(16) . .
N6 C3 N2 118.07(16) . .
H91A O91 H91B 108(2) . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
O11 C11 1.2462(15) .
O12 C11 1.2492(15) .
O21 C21 1.2495(17) .
O22 C21 1.2337(17) .
N11 C12 1.4999(15) .
N11 C22 1.5025(16) .
N11 C31 1.5012(17) .
N11 H11 0.866(16) .
C11 C12 1.5213(18) .
C12 H12A 0.9700 .
C12 H12B 0.9700 .
C21 C22 1.5302(18) .
C22 H22A 0.9700 .
C22 H22B 0.9700 .
C31 C31 1.512(2) 2_655
C31 H31A 0.9700 .
C31 H31B 0.9700 .
N1 C1 1.3502(17) .
N1 C2 1.3216(18) .
N2 C2 1.3673(19) .
N2 C3 1.348(2) .
N2 H2 0.849(19) .
N3 C1 1.3508(17) .
N3 C3 1.3234(18) .
N4 C1 1.3146(18) .
N4 H4A 0.835(17) .
N4 H4B 0.902(16) .
N5 C2 1.318(2) .
N5 H5A 0.91(2) .
N5 H5B 0.833(19) .
N6 C3 1.324(2) .
N6 H6A 0.84(2) .
N6 H6B 0.87(2) .
O91 H91A 0.95(3) .
O91 H91B 0.87(3) .
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
N11 H11 O11 0.866(16) 1.985(15) 2.7500(14) 146.7(14) 2_755
N4 H4A O12 0.835(17) 2.053(18) 2.8445(17) 158.1(16) 1_546
N4 H4B O11 0.902(16) 1.912(17) 2.7675(16) 157.7(14) 2_756
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
_geom_torsion_site_symmetry_4
O11 C11 C12 N11 17.94(15) .
O12 C11 C12 N11 -165.23(10) .
O21 C21 C22 N11 179.86(12) .
O22 C21 C22 N11 0.69(18) .
C12 N11 C22 C21 -134.20(12) .
C12 N11 C31 C31 166.18(13) 2_655
C22 N11 C12 C11 69.27(13) .
C22 N11 C31 C31 -67.69(16) 2_655
C31 N11 C12 C11 -163.37(10) .
C31 N11 C22 C21 101.16(13) .
C1 N1 C2 N2 -2.00(19) .
C1 N1 C2 N5 178.79(13) .
C1 N3 C3 N2 0.5(2) .
C1 N3 C3 N6 -179.85(13) .
C2 N1 C1 N3 1.64(19) .
C2 N1 C1 N4 -177.18(13) .
C2 N2 C3 N3 -1.0(2) .
C2 N2 C3 N6 179.38(13) .
C3 N2 C2 N1 1.8(2) .
C3 N2 C2 N5 -178.96(13) .
C3 N3 C1 N1 -0.9(2) .
C3 N3 C1 N4 177.92(13) .
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139198809
