organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 69| Part 6| June 2013| Pages o957-o958

L-Histidinium dipicrate dihydrate

aDepartment of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore 641 020, Tamil Nadu, India, bSchool of Chemistry, University of Hyderabad, Hyderabad 500 046, Andhra Pradesh, India, and cDepartment of Physics, The New College (Autonomous), Chennai 600 014, India
*Correspondence e-mail: mnizam_new@yahoo.in

(Received 13 May 2013; accepted 20 May 2013; online 25 May 2013)

In the title mol­ecular salt, C6H11N3O22+·2C6H2N3O7·2H2O, the histidine mol­ecule exists as a histidinium dication, being protonated at the N atom of the imidazole ring. The charges are balanced by two picrate anions and the compound crystallizes as a dihydrate. In the crystal, the components are linked via N—H⋯O and O—H⋯O hydrogen bonds and weak C—H⋯O inter­actions, forming a three-dimensional supermolecular structure.

Related literature

For the role of hydrogen bonding in the construction of supra­molecular structures, see: Braga et al. (2004[Braga, D., Maini, L., Polito, M. & Grepioni, F. (2004). Struct. Bond. 111, 1-32.]); Harrowfield et al. (1995[Harrowfield, J. M., Skelton, B. W. & White, A. H. (1995). Aust. J. Chem. 48, 1311-1331.]). For picrates of biologically important mol­ecules, see: Harrison et al. (2007[Harrison, W. T. A., Bindya, S., Ashok, M. A., Yathirajan, H. S. & Narayana, B. (2007). Acta Cryst. E63, o3143.]); Swamy et al. (2007[Swamy, M. T., Ashok, M. A., Yathirajan, H. S., Narayana, B. & Bolte, M. (2007). Acta Cryst. E63, o4919.]); Bibal et al. (2003[Bibal, B., Declercq, J. P., Dutasta, J. P., Tinant, B. & Valade, A. G. (2003). Tetrahedron, 59, 5849-5854.]); Olsher et al. (1996[Olsher, U., Feinberg, H., Frolow, F. & Shoham, G. (1996). Pure Appl. Chem. 68, 1195-1199.]). For bond angles in related structures, see: Yang et al. (2001[Yang, L., Zhang, T. L., Feng, C. G., Zhang, J. G. & Yu, K. B. (2001). Energ. Mater. 9, 37-39.]).

[Scheme 1]

Experimental

Crystal data
  • C6H11N3O22+·2C6H2N3O7·2H2O

  • Mr = 649.42

  • Monoclinic, P 21

  • a = 6.6060 (4) Å

  • b = 25.7003 (13) Å

  • c = 7.9627 (5) Å

  • β = 107.532 (7)°

  • V = 1289.08 (13) Å3

  • Z = 2

  • Mo Kα radiation

  • μ = 0.15 mm−1

  • T = 293 K

  • 0.20 × 0.15 × 0.10 mm

Data collection
  • Bruker Kappa APEXII CCD diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 2004[Sheldrick, G. M. (2004). SADABS. University of Göttingen, Germany.]) Tmin = 0.970, Tmax = 0.985

  • 5817 measured reflections

  • 2982 independent reflections

  • 2560 reflections with I > 2σ(I)

  • Rint = 0.020

Refinement
  • R[F2 > 2σ(F2)] = 0.039

  • wR(F2) = 0.088

  • S = 1.09

  • 2982 reflections

  • 439 parameters

  • 7 restraints

  • H atoms treated by a mixture of independent and constrained refinement

  • Δρmax = 0.21 e Å−3

  • Δρmin = −0.18 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N1—H1A⋯O10 0.89 2.19 2.909 (3) 138
N1—H1A⋯O12 0.89 2.11 2.841 (4) 139
N1—H1B⋯O18W 0.89 1.85 2.700 (5) 158
N1—H1C⋯O15i 0.89 2.16 3.007 (4) 159
N2—H2B⋯O10 0.91 (5) 1.86 (5) 2.709 (4) 154 (4)
N2—H2B⋯O16 0.91 (5) 2.49 (4) 3.125 (4) 128 (3)
N3—H3⋯O9ii 0.86 2.56 2.992 (5) 112
N3—H3⋯O14ii 0.86 2.25 3.077 (4) 160
O2—H2⋯O3iii 0.82 1.86 2.657 (3) 165
O17W—H17A⋯O5iv 0.84 (2) 2.27 (3) 3.082 (4) 162 (9)
O17W—H17B⋯O3 0.84 (2) 2.14 (8) 2.864 (4) 144 (12)
O18W—H18A⋯O17Wv 0.83 (2) 1.83 (2) 2.664 (5) 176 (5)
O18W—H18B⋯O7 0.83 (2) 2.32 (4) 3.005 (5) 140 (6)
C3—H3B⋯O10 0.97 2.59 3.210 (4) 122
C9—H9⋯O8vi 0.93 2.40 3.177 (4) 141
C17—H17⋯O11iv 0.93 2.36 3.177 (3) 147
Symmetry codes: (i) x+1, y, z+1; (ii) [-x+1, y-{\script{1\over 2}}, -z+1]; (iii) [-x+2, y-{\script{1\over 2}}, -z+2]; (iv) x, y, z-1; (v) [-x+2, y-{\script{1\over 2}}, -z+1]; (vi) x, y, z+1.

Data collection: APEX2 (Bruker, 2004[Bruker (2004). APEX2, SAINT and XPREP. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: APEX2 and SAINT (Bruker, 2004[Bruker (2004). APEX2, SAINT and XPREP. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT and XPREP (Bruker, 2004[Bruker (2004). APEX2, SAINT and XPREP. Bruker AXS Inc., Madison, Wisconsin, USA.]); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012[Farrugia, L. J. (2012). J. Appl. Cryst. 45, 849-854.]) and Mercury (Macrae et al., 2008[Macrae, C. F., Bruno, I. J., Chisholm, J. A., Edgington, P. R., McCabe, P., Pidcock, E., Rodriguez-Monge, L., Taylor, R., van de Streek, J. & Wood, P. A. (2008). J. Appl. Cryst. 41, 466-470.]); software used to prepare material for publication: WinGX (Farrugia, 2012[Farrugia, L. J. (2012). J. Appl. Cryst. 45, 849-854.]) and PLATON (Spek, 2009[Spek, A. L. (2009). Acta Cryst. D65, 148-155.]).

Supporting information


Comment top

Intermolecular and inter-ionic hydrogen bonding interactions, which are not only the strongest of the noncovalent interactions but also highly directional, play an important role in constructing supramolecular structures (Braga et al., 2004). Picrate is generally used as an accompanying ion in many systems involving extraction and transport of metal ions to improve the extractability (Bibal et al., 2003). Picrate interacts as a monodentate, bidentate and tridentate ligand (Olsher et al., 1996). Furthermore, picrate is a penta-dentate ligand when it coordinates with cation by chelating pairs of oxygen atoms from p-nitro groups of adjacent picrates, and with successive cations linking the array into a two or three-dimensional network (Harrowfield et al., 1995) and picrates of biologically important molecules (Harrison et al., 2007; Swamy et al., 2007). We have prepared a new picrate of L-Histidinium hydrate and its crystal structure is reported herein.

The asymmetric unit of the title compound, Fig. 1, contains an L-histidinium cation, two picrate anions and two water molecules. The histidine molecule exists as an histidinium ion due to the protonation at the N atom of the imidazole ring. The charges are equilibrated by two picrate anions and crystallizes as a dihydrate. The imidazole ring (N2/N3/C4/C5/C6) makes a dihedral angle of 5.0 (2) and 4.9 (2)° with the benzene rings (C7—C12 and C13—C18), respectively, of the picrate anions.

The picrate anions adopt the keto form with C7—O3 and C13—O10 bond distance of 1.261 (4) and 1.249 (4) Å, C7—C8, C7—C12, C13—C14 and C13—C18 bond distance of 1.445 (4), 1.444 (4), 1.451 (4) and 1.450 (4) Å, respectively, which is longer than the other C—C bond lengths (between 1.374 (5) to 1.460 (4) Å) in the benzene ring. The bond angles C12—C7—C8 and C14—C13—C18 is 111.3 (3) and 110.6 (3)°, respectively, which is the case in some picrate complexes, while the corresponding bond angle of picric acid is 116.4 (5)° [Yang et al., 2001]. In the picrate anion the depronated phenolate oxygen atom deviates slightly from the plane of the benzene ring (torsion angle O3-C7-C8-C9 = -175.4 (3) ° and O10-C13-C14-C15 = 178.2 (3)°). The twist angles between the benzene rings (C7—C12 and C13—C18) and the ortho nitro groups (N4, N6, N7 and N9) are 41.5 (2), 32.4 (2), 32.2 (2) and 34.8 (2), respectively. The para-positioned nitro groups are twisted by 3.4 (2)° (N5) and 5.8 (2)° (N8), and are most likely influenced by a weak hydrogen bond interaction (O18—H18B···O7). The picrate ions are stacked head-to-tail, presumably as a result of charge-transfer interactions.

In the crystal the cation, the picrate anions and the water molecules of crystallization are involved in N—H···O and O—H···O hydrogen bonds and week C—H···O interactions, to form a three-dimensional supramolecular network (Table 1 and Fig. 2).

Related literature top

For the role of hydrogen bonding in the construction of supramolecular structures, see: Braga et al. (2004); Harrowfield et al. (1995). For picrates of biologically important molecules, see: Harrison et al. (2007); Swamy et al. (2007); Bibal et al. (2003); Olsher et al. (1996). For bond angles in related structures, see: Yang et al. (2001).

Experimental top

1:2 stoichiometric proportions of analar grades L-histidine and picric acid (E-Merck) were dissolved in a triply distilled water and ethanol mixture and the two solutions were thoroughly mixed together using mechanical stirrer for about three hours. The clear yellow solution obtained was filtered off to get the crude material. The material was re-dissolved in a water-ethanol solvent mixture and kept aside without any mechanical movement for crystal growth in a dust free environment. Bright yellowish crystals that formed in 5 days were collected carefully from the mother liquor. Several re-crystallizations were done to get ultra pure crystals. The yield in the reaction was ca. 60%. Analysis calc. for C18H18N9O18 : C: 33.34, H: 2.79, N: 19.44 %; Found: C: 33.21, H: 3.74, N: 19.60%.

Refinement top

The water molecule H-atoms, the methine (CH) H atom, and the CH and one NH H atom of the imidazole ring, were located in a difference Fourier map and freely refined. The OH, the NH3, one NH H atom of the imidazole ring, and the CH~2~ H atoms were positioned geometrically and refined using a riding model: O-H = 0.82 Å, N—H = 0.89 Å (NH3), N—H = 0.86 Å, C—H = 0.97 Å for CH2 H atoms, with Uiso(H) = 1.5Ueq(O,N) for the OH and NH3 H atoms and = 1.2Ueq(N,C) for other H atoms.

Computing details top

Data collection: APEX2 (Bruker, 2004); cell refinement: APEX2 and SAINT (Bruker, 2004); data reduction: SAINT and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2008); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).

Figures top
[Figure 1] Fig. 1. View of the molecular structure of the title compound, showing the atom labelling. Displacement ellipsoids are drawn at the 30% probability level.
[Figure 2] Fig. 2. A partial view along the a axisof the crystal packing of the title compound. Dashed lines indicate N—H···O and O—H···O hydrogen bonds and weak C—H···O interactions (see Table 1 for details).
L-Histidinium dipicrate dihydrate top
Crystal data top
C6H11N3O22+·2C6H2N3O7·2H2OF(000) = 668
Mr = 649.42Dx = 1.673 Mg m3
Monoclinic, P21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ybCell parameters from 5817 reflections
a = 6.6060 (4) Åθ = 2.4–31.1°
b = 25.7003 (13) ŵ = 0.15 mm1
c = 7.9627 (5) ÅT = 293 K
β = 107.532 (7)°Square, yellow
V = 1289.08 (13) Å30.20 × 0.15 × 0.10 mm
Z = 2
Data collection top
Bruker Kappa APEXII CCD
diffractometer
2982 independent reflections
Radiation source: fine-focus sealed tube2560 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.020
ω and ϕ scansθmax = 28.9°, θmin = 2.8°
Absorption correction: multi-scan
(SADABS; Sheldrick, 2004)
h = 88
Tmin = 0.970, Tmax = 0.985k = 2634
5817 measured reflectionsl = 109
Refinement top
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.039H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.088 w = 1/[σ2(Fo2) + (0.0341P)2 + 0.2411P]
where P = (Fo2 + 2Fc2)/3
S = 1.09(Δ/σ)max < 0.001
2982 reflectionsΔρmax = 0.21 e Å3
439 parametersΔρmin = 0.18 e Å3
7 restraintsExtinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.0095 (12)
Crystal data top
C6H11N3O22+·2C6H2N3O7·2H2OV = 1289.08 (13) Å3
Mr = 649.42Z = 2
Monoclinic, P21Mo Kα radiation
a = 6.6060 (4) ŵ = 0.15 mm1
b = 25.7003 (13) ÅT = 293 K
c = 7.9627 (5) Å0.20 × 0.15 × 0.10 mm
β = 107.532 (7)°
Data collection top
Bruker Kappa APEXII CCD
diffractometer
2982 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 2004)
2560 reflections with I > 2σ(I)
Tmin = 0.970, Tmax = 0.985Rint = 0.020
5817 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0397 restraints
wR(F2) = 0.088H atoms treated by a mixture of independent and constrained refinement
S = 1.09Δρmax = 0.21 e Å3
2982 reflectionsΔρmin = 0.18 e Å3
439 parameters
Special details top

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
O11.1170 (5)0.00275 (12)1.2736 (5)0.0774 (11)
O20.8469 (5)0.04330 (11)1.3342 (4)0.0566 (8)
H20.93460.06641.37190.085*
O30.9237 (4)0.37442 (9)0.5194 (3)0.0366 (6)
O41.1711 (5)0.33930 (12)1.0182 (3)0.0618 (9)
O50.9113 (6)0.38681 (13)0.8677 (4)0.0659 (9)
O61.0105 (5)0.15561 (11)0.8787 (3)0.0527 (7)
O70.9511 (5)0.13208 (10)0.6075 (3)0.0507 (7)
O80.9119 (4)0.26246 (10)0.1693 (3)0.0456 (6)
O90.7415 (5)0.33288 (10)0.1914 (3)0.0489 (7)
O100.5060 (4)0.11319 (9)0.8159 (3)0.0379 (6)
O110.4555 (4)0.23048 (10)1.1305 (3)0.0443 (6)
O120.6326 (5)0.16004 (10)1.1346 (3)0.0505 (7)
O130.4413 (5)0.35254 (9)0.6731 (4)0.0529 (7)
O140.3963 (5)0.32377 (10)0.4098 (3)0.0522 (7)
O150.2242 (5)0.14022 (12)0.3056 (3)0.0565 (8)
O160.4623 (6)0.09005 (11)0.4743 (4)0.0668 (9)
N10.8717 (5)0.07237 (10)1.0875 (4)0.0354 (6)
H1A0.78430.09871.04310.053*
H1B0.89120.05351.00000.053*
H1C0.99590.08481.15350.053*
N20.4952 (5)0.00857 (12)0.7727 (4)0.0380 (7)
N30.4987 (6)0.07402 (13)0.7471 (5)0.0590 (10)
H30.49560.10450.70200.071*
N41.0229 (5)0.34810 (12)0.8865 (4)0.0388 (7)
N50.9722 (4)0.16635 (11)0.7214 (4)0.0353 (7)
N60.8457 (5)0.29442 (11)0.2552 (3)0.0322 (6)
N70.5317 (4)0.19734 (11)1.0568 (3)0.0312 (6)
N80.4235 (4)0.31696 (11)0.5679 (4)0.0315 (6)
N90.3649 (5)0.13122 (11)0.4434 (3)0.0364 (7)
C10.9350 (6)0.00520 (14)1.2718 (5)0.0423 (9)
C20.7771 (6)0.03902 (13)1.1981 (4)0.0344 (7)
C30.5503 (5)0.02145 (14)1.0983 (4)0.0365 (8)
H3A0.49430.00221.17930.044*
H3B0.46290.05221.06240.044*
C40.5280 (5)0.01146 (13)0.9395 (4)0.0331 (7)
C50.4757 (6)0.03046 (16)0.6596 (5)0.0493 (10)
C60.5283 (7)0.06396 (16)0.9212 (5)0.0504 (10)
C70.9258 (5)0.32737 (12)0.5650 (4)0.0256 (6)
C80.9775 (5)0.30948 (13)0.7450 (4)0.0283 (7)
C90.9939 (5)0.25863 (13)0.7963 (4)0.0275 (7)
H91.03080.25000.91510.033*
C100.9549 (5)0.22013 (12)0.6693 (4)0.0265 (6)
C110.9070 (4)0.23282 (12)0.4924 (4)0.0259 (6)
H110.88560.20680.40770.031*
C120.8915 (5)0.28421 (11)0.4435 (4)0.0235 (6)
C130.4825 (5)0.15872 (12)0.7585 (4)0.0260 (6)
C140.5012 (5)0.20440 (12)0.8692 (4)0.0232 (6)
C150.4816 (5)0.25485 (12)0.8099 (4)0.0246 (6)
H150.49770.28250.88840.030*
C160.4375 (5)0.26384 (12)0.6310 (4)0.0237 (6)
C170.3974 (4)0.22294 (12)0.5116 (4)0.0247 (6)
H170.35620.22930.39100.030*
C180.4195 (5)0.17329 (12)0.5740 (4)0.0249 (6)
O17W1.0107 (7)0.43238 (13)0.2418 (5)0.0724 (10)
O18W1.0051 (8)0.03423 (14)0.8230 (5)0.0779 (11)
H17A1.006 (14)0.415 (3)0.150 (7)0.18 (4)*
H17B1.04 (2)0.411 (3)0.325 (9)0.31 (7)*
H18A1.001 (9)0.0022 (8)0.808 (7)0.086 (19)*
H18B0.977 (15)0.049 (2)0.726 (5)0.19 (4)*
H2A0.763 (6)0.0623 (16)1.296 (5)0.039 (10)*
H60.539 (7)0.0916 (19)0.999 (6)0.064 (13)*
H50.455 (7)0.029 (2)0.536 (6)0.068 (13)*
H2B0.479 (7)0.0432 (19)0.751 (5)0.053 (12)*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
O10.0441 (17)0.047 (2)0.123 (3)0.0016 (14)0.0029 (17)0.0338 (19)
O20.0723 (19)0.0389 (16)0.0567 (16)0.0113 (15)0.0166 (14)0.0245 (13)
O30.0544 (15)0.0211 (12)0.0300 (11)0.0025 (11)0.0064 (10)0.0010 (9)
O40.083 (2)0.0564 (19)0.0295 (13)0.0121 (17)0.0084 (13)0.0061 (13)
O50.096 (2)0.0489 (19)0.0517 (16)0.0160 (18)0.0213 (15)0.0173 (14)
O60.0750 (19)0.0426 (16)0.0386 (14)0.0024 (14)0.0143 (13)0.0187 (12)
O70.0717 (19)0.0268 (14)0.0524 (16)0.0034 (14)0.0168 (13)0.0001 (13)
O80.0684 (17)0.0436 (16)0.0298 (12)0.0007 (14)0.0225 (12)0.0067 (11)
O90.0775 (19)0.0295 (13)0.0292 (12)0.0062 (13)0.0000 (12)0.0058 (10)
O100.0591 (16)0.0204 (12)0.0299 (12)0.0018 (11)0.0070 (11)0.0016 (9)
O110.0660 (16)0.0427 (15)0.0298 (12)0.0072 (13)0.0229 (12)0.0033 (11)
O120.080 (2)0.0350 (14)0.0269 (12)0.0154 (14)0.0007 (12)0.0059 (11)
O130.079 (2)0.0174 (13)0.0575 (16)0.0002 (13)0.0135 (14)0.0002 (12)
O140.081 (2)0.0376 (15)0.0368 (13)0.0005 (15)0.0155 (13)0.0172 (12)
O150.0706 (19)0.0514 (18)0.0320 (13)0.0160 (15)0.0078 (12)0.0063 (12)
O160.112 (3)0.0364 (17)0.0446 (16)0.0147 (18)0.0118 (17)0.0133 (13)
N10.0395 (15)0.0194 (14)0.0404 (16)0.0002 (12)0.0017 (12)0.0029 (11)
N20.0445 (17)0.0244 (15)0.0380 (16)0.0015 (14)0.0019 (13)0.0004 (13)
N30.082 (3)0.0247 (17)0.058 (2)0.0058 (18)0.0021 (18)0.0120 (15)
N40.0573 (19)0.0330 (18)0.0281 (14)0.0092 (15)0.0158 (13)0.0041 (12)
N50.0356 (15)0.0281 (16)0.0416 (16)0.0027 (13)0.0110 (12)0.0070 (13)
N60.0444 (16)0.0279 (15)0.0219 (13)0.0078 (13)0.0066 (11)0.0031 (11)
N70.0428 (16)0.0261 (15)0.0220 (13)0.0012 (13)0.0056 (11)0.0016 (11)
N80.0286 (14)0.0255 (15)0.0399 (15)0.0017 (12)0.0096 (11)0.0060 (12)
N90.0547 (18)0.0253 (15)0.0290 (14)0.0073 (14)0.0122 (13)0.0055 (12)
C10.048 (2)0.0270 (19)0.0382 (19)0.0013 (17)0.0072 (16)0.0034 (15)
C20.0470 (19)0.0246 (17)0.0274 (15)0.0004 (15)0.0048 (14)0.0022 (13)
C30.0412 (18)0.0329 (18)0.0341 (17)0.0030 (16)0.0097 (14)0.0045 (14)
C40.0338 (16)0.0230 (16)0.0377 (17)0.0032 (14)0.0037 (13)0.0027 (14)
C50.058 (2)0.038 (2)0.043 (2)0.0062 (19)0.0018 (18)0.0087 (18)
C60.064 (3)0.031 (2)0.045 (2)0.0083 (19)0.0001 (19)0.0019 (18)
C70.0269 (15)0.0258 (16)0.0221 (14)0.0025 (13)0.0046 (11)0.0039 (12)
C80.0311 (16)0.0290 (17)0.0248 (15)0.0051 (14)0.0081 (12)0.0064 (13)
C90.0295 (15)0.0314 (18)0.0224 (14)0.0003 (14)0.0090 (12)0.0034 (13)
C100.0251 (14)0.0234 (16)0.0313 (15)0.0005 (13)0.0088 (11)0.0038 (12)
C110.0254 (14)0.0262 (16)0.0263 (14)0.0033 (13)0.0082 (11)0.0041 (12)
C120.0288 (15)0.0187 (14)0.0213 (14)0.0009 (12)0.0051 (11)0.0007 (11)
C130.0275 (15)0.0248 (16)0.0251 (15)0.0014 (13)0.0070 (12)0.0005 (13)
C140.0267 (14)0.0246 (16)0.0176 (14)0.0022 (13)0.0057 (11)0.0006 (11)
C150.0256 (14)0.0233 (15)0.0239 (14)0.0018 (13)0.0057 (11)0.0023 (12)
C160.0229 (14)0.0202 (15)0.0276 (15)0.0015 (12)0.0072 (11)0.0048 (12)
C170.0254 (14)0.0274 (17)0.0215 (14)0.0005 (13)0.0074 (11)0.0027 (12)
C180.0270 (15)0.0252 (16)0.0215 (15)0.0004 (13)0.0058 (12)0.0030 (11)
O17W0.126 (3)0.0397 (18)0.0615 (19)0.0171 (19)0.043 (2)0.0111 (15)
O18W0.125 (3)0.043 (2)0.085 (3)0.009 (2)0.060 (2)0.0001 (18)
Geometric parameters (Å, º) top
O1—C11.199 (5)N8—C161.448 (4)
O2—C11.311 (5)N9—C181.468 (4)
O2—H20.8200C1—C21.534 (5)
O3—C71.261 (4)C2—C31.537 (5)
O4—N41.220 (4)C2—H2A1.01 (4)
O5—N41.220 (4)C3—C41.491 (5)
O6—N51.232 (4)C3—H3A0.9700
O7—N51.242 (4)C3—H3B0.9700
O8—N61.230 (4)C4—C61.357 (5)
O9—N61.224 (4)C5—H50.96 (5)
O10—C131.249 (4)C6—H60.93 (5)
O11—N71.225 (3)C7—C121.444 (4)
O12—N71.224 (4)C7—C81.445 (4)
O13—N81.222 (4)C8—C91.363 (5)
O14—N81.230 (4)C9—C101.383 (4)
O15—N91.228 (4)C9—H90.9300
O16—N91.224 (4)C10—C111.387 (4)
N1—C21.494 (4)C11—C121.372 (4)
N1—H1A0.8900C11—H110.9300
N1—H1B0.8900C13—C141.451 (4)
N1—H1C0.8900C13—C181.450 (4)
N2—C51.328 (5)C14—C151.373 (4)
N2—C41.380 (4)C15—C161.385 (4)
N2—H2B0.91 (5)C15—H150.9300
N3—C51.303 (5)C16—C171.388 (4)
N3—C61.365 (5)C17—C181.361 (4)
N3—H30.8600C17—H170.9300
N4—C81.463 (4)O17W—H17A0.84 (2)
N5—C101.438 (4)O17W—H17B0.84 (2)
N6—C121.461 (4)O18W—H18A0.83 (2)
N7—C141.457 (4)O18W—H18B0.83 (2)
C1—O2—H2109.5C6—C4—N2105.8 (3)
C2—N1—H1A109.5C6—C4—C3130.7 (3)
C2—N1—H1B109.5N2—C4—C3123.5 (3)
H1A—N1—H1B109.5N3—C5—N2108.3 (4)
C2—N1—H1C109.5N3—C5—H5124 (3)
H1A—N1—H1C109.5N2—C5—H5128 (3)
H1B—N1—H1C109.5C4—C6—N3107.0 (4)
C5—N2—C4109.0 (3)C4—C6—H6134 (3)
C5—N2—H2B129 (3)N3—C6—H6119 (3)
C4—N2—H2B121 (3)O3—C7—C12123.9 (3)
C5—N3—C6109.8 (3)O3—C7—C8124.7 (3)
C5—N3—H3125.1C12—C7—C8111.3 (3)
C6—N3—H3125.1C9—C8—C7125.1 (3)
O5—N4—O4123.7 (3)C9—C8—N4116.1 (3)
O5—N4—C8118.8 (3)C7—C8—N4118.7 (3)
O4—N4—C8117.5 (3)C8—C9—C10119.1 (3)
O6—N5—O7121.8 (3)C8—C9—H9120.4
O7—N5—O70.0 (3)C10—C9—H9120.4
O6—N5—C10118.9 (3)C9—C10—C11120.7 (3)
O7—N5—C10119.3 (3)C9—C10—N5119.7 (3)
O9—N6—O8123.9 (3)C11—C10—N5119.6 (3)
O9—N6—C12119.2 (3)C12—C11—C10119.3 (3)
O8—N6—C12116.9 (3)C12—C11—H11120.3
O12—N7—O11122.8 (3)C10—C11—H11120.3
O12—N7—C14120.2 (3)C11—C12—C7124.5 (3)
O11—N7—C14117.0 (3)C11—C12—N6116.0 (3)
O13—N8—O14123.4 (3)C7—C12—N6119.4 (3)
O13—N8—C16119.0 (3)O10—C13—C14123.9 (3)
O14—N8—C16117.6 (3)O10—C13—C18125.4 (3)
O16—N9—O15123.6 (3)C14—C13—C18110.6 (3)
O16—N9—C18119.5 (3)C15—C14—C13125.0 (2)
O15—N9—C18116.9 (3)C15—C14—N7116.1 (3)
O1—C1—O2126.3 (4)C13—C14—N7118.8 (3)
O1—C1—C2121.9 (3)C14—C15—C16118.7 (3)
O2—C1—C2111.7 (3)C14—C15—H15120.6
N1—C2—C1107.1 (3)C16—C15—H15120.6
N1—C2—C3112.3 (3)C15—C16—C17121.1 (3)
C1—C2—C3115.1 (3)C15—C16—N8119.1 (3)
N1—C2—H2A105 (2)C17—C16—N8119.8 (3)
C1—C2—H2A111 (2)C18—C17—C16118.8 (3)
C3—C2—H2A106 (2)C18—C17—H17120.6
C4—C3—C2115.9 (3)C16—C17—H17120.6
C4—C3—H3A108.3C17—C18—C13125.4 (3)
C2—C3—H3A108.3C17—C18—N9117.1 (2)
C4—C3—H3B108.3C13—C18—N9117.5 (3)
C2—C3—H3B108.3H17A—O17W—H17B106 (3)
H3A—C3—H3B107.4H18A—O18W—H18B109 (3)
O1—C1—C2—N117.5 (5)C8—C7—C12—C110.3 (4)
O2—C1—C2—N1164.4 (3)O3—C7—C12—N61.7 (5)
O1—C1—C2—C3143.1 (4)C8—C7—C12—N6177.6 (3)
O2—C1—C2—C338.8 (4)O9—N6—C12—C11148.0 (3)
N1—C2—C3—C462.2 (4)O8—N6—C12—C1130.3 (4)
C1—C2—C3—C460.7 (4)O9—N6—C12—C734.5 (4)
C5—N2—C4—C60.3 (4)O8—N6—C12—C7147.2 (3)
C5—N2—C4—C3178.1 (3)O10—C13—C14—C15178.2 (3)
C2—C3—C4—C692.6 (5)C18—C13—C14—C155.6 (4)
C2—C3—C4—N289.5 (4)O10—C13—C14—N75.3 (5)
C6—N3—C5—N21.7 (5)C18—C13—C14—N7170.9 (2)
C4—N2—C5—N31.2 (5)O12—N7—C14—C15150.2 (3)
N2—C4—C6—N30.7 (4)O11—N7—C14—C1528.7 (4)
C3—C4—C6—N3179.0 (4)O12—N7—C14—C1333.0 (4)
C5—N3—C6—C41.5 (5)O11—N7—C14—C13148.1 (3)
O3—C7—C8—C9175.4 (3)C13—C14—C15—C161.0 (5)
C12—C7—C8—C90.4 (4)N7—C14—C15—C16175.5 (2)
O3—C7—C8—N42.6 (5)C14—C15—C16—C174.9 (4)
C12—C7—C8—N4178.4 (3)C14—C15—C16—N8178.0 (3)
O5—N4—C8—C9139.3 (3)O13—N8—C16—C153.4 (4)
O4—N4—C8—C940.2 (4)O14—N8—C16—C15175.9 (3)
O5—N4—C8—C742.6 (5)O13—N8—C16—C17173.8 (3)
O4—N4—C8—C7138.0 (3)O14—N8—C16—C176.9 (4)
C7—C8—C9—C101.4 (5)C15—C16—C17—C185.4 (4)
N4—C8—C9—C10179.4 (3)N8—C16—C17—C18177.5 (3)
C8—C9—C10—C112.2 (4)C16—C17—C18—C130.1 (5)
C8—C9—C10—N5179.8 (3)C16—C17—C18—N9176.9 (3)
O6—N5—C10—C93.9 (4)O10—C13—C18—C17178.8 (3)
O7—N5—C10—C9175.1 (3)C14—C13—C18—C175.1 (4)
O6—N5—C10—C11178.5 (3)O10—C13—C18—N94.4 (5)
O7—N5—C10—C112.5 (4)C14—C13—C18—N9171.8 (3)
C9—C10—C11—C122.2 (4)O16—N9—C18—C17147.2 (3)
N5—C10—C11—C12179.7 (3)O15—N9—C18—C1731.3 (4)
C10—C11—C12—C71.2 (5)O16—N9—C18—C1335.7 (4)
C10—C11—C12—N6178.6 (2)O15—N9—C18—C13145.8 (3)
O3—C7—C12—C11175.6 (3)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1A···O100.892.192.909 (3)138
N1—H1A···O120.892.112.841 (4)139
N1—H1B···O18W0.891.852.700 (5)158
N1—H1C···O15i0.892.163.007 (4)159
N2—H2B···O100.91 (5)1.86 (5)2.709 (4)154 (4)
N2—H2B···O160.91 (5)2.49 (4)3.125 (4)128 (3)
N3—H3···O9ii0.862.562.992 (5)112
N3—H3···O14ii0.862.253.077 (4)160
O2—H2···O3iii0.821.862.657 (3)165
O17W—H17A···O5iv0.84 (2)2.27 (3)3.082 (4)162 (9)
O17W—H17B···O30.84 (2)2.14 (8)2.864 (4)144 (12)
O18W—H18A···O17Wv0.83 (2)1.83 (2)2.664 (5)176 (5)
O18W—H18B···O70.83 (2)2.32 (4)3.005 (5)140 (6)
C3—H3B···O100.972.593.210 (4)122
C9—H9···O8vi0.932.403.177 (4)141
C17—H17···O11iv0.932.363.177 (3)147
Symmetry codes: (i) x+1, y, z+1; (ii) x+1, y1/2, z+1; (iii) x+2, y1/2, z+2; (iv) x, y, z1; (v) x+2, y1/2, z+1; (vi) x, y, z+1.

Experimental details

Crystal data
Chemical formulaC6H11N3O22+·2C6H2N3O7·2H2O
Mr649.42
Crystal system, space groupMonoclinic, P21
Temperature (K)293
a, b, c (Å)6.6060 (4), 25.7003 (13), 7.9627 (5)
β (°) 107.532 (7)
V3)1289.08 (13)
Z2
Radiation typeMo Kα
µ (mm1)0.15
Crystal size (mm)0.20 × 0.15 × 0.10
Data collection
DiffractometerBruker Kappa APEXII CCD
diffractometer
Absorption correctionMulti-scan
(SADABS; Sheldrick, 2004)
Tmin, Tmax0.970, 0.985
No. of measured, independent and
observed [I > 2σ(I)] reflections
5817, 2982, 2560
Rint0.020
(sin θ/λ)max1)0.680
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.039, 0.088, 1.09
No. of reflections2982
No. of parameters439
No. of restraints7
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å3)0.21, 0.18

Computer programs: APEX2 (Bruker, 2004), APEX2 and SAINT (Bruker, 2004), SAINT and XPREP (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 2012) and Mercury (Macrae et al., 2008), WinGX (Farrugia, 2012) and PLATON (Spek, 2009).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1A···O100.892.192.909 (3)138
N1—H1A···O120.892.112.841 (4)139
N1—H1B···O18W0.891.852.700 (5)158
N1—H1C···O15i0.892.163.007 (4)159
N2—H2B···O100.91 (5)1.86 (5)2.709 (4)154 (4)
N2—H2B···O160.91 (5)2.49 (4)3.125 (4)128 (3)
N3—H3···O9ii0.862.562.992 (5)112
N3—H3···O14ii0.862.253.077 (4)160
O2—H2···O3iii0.821.862.657 (3)165
O17W—H17A···O5iv0.84 (2)2.27 (3)3.082 (4)162 (9)
O17W—H17B···O30.84 (2)2.14 (8)2.864 (4)144 (12)
O18W—H18A···O17Wv0.83 (2)1.83 (2)2.664 (5)176 (5)
O18W—H18B···O70.83 (2)2.32 (4)3.005 (5)140 (6)
C3—H3B···O100.972.593.210 (4)122
C9—H9···O8vi0.932.403.177 (4)141
C17—H17···O11iv0.932.363.177 (3)147
Symmetry codes: (i) x+1, y, z+1; (ii) x+1, y1/2, z+1; (iii) x+2, y1/2, z+2; (iv) x, y, z1; (v) x+2, y1/2, z+1; (vi) x, y, z+1.
 

Acknowledgements

MS thanks the UGC Networking Centre, School of Chemistry, University of Hyderabad, India, for the award of a Visiting Research Fellowship to use the facilities at the School, which the authors also thank for access to the X-ray diffraction equipment.

References

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Volume 69| Part 6| June 2013| Pages o957-o958
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