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

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 68| Part 9| September 2012| Pages m1174-m1175

2,2′-[(1E,2E)-1,2-Bis(hy­dr­oxy­imino)­ethane-1,2-di­yl]dipyridinium hexa­chloridorhenate(IV)

aUniversity of Wrocław, Faculty of Chemistry, 14 Joliot-Curie St, 50-383 Wrocław, Poland
*Correspondence e-mail: monikakrawczyk.k@gmail.com

(Received 19 July 2012; accepted 8 August 2012; online 15 August 2012)

The title salt, (C12H12N4O2)[ReCl6], consists of 2,2′-[(1E,2E)-1,2-bis­(hy­droxy­imino)­ethane-1,2-di­yl]dipyridinium cations and [ReCl6]2− anions which are both located on inversion centres. Each cation consists of a glyoxime moiety attached to two protonated pyridine rings in ortho positions. In the crystal, E,E isomers of the cation are observed which differ in the spatial arrangement of the pyridine rings. These rings are positionally disordered over two positions with site-occupancy factors of 0.786 (7) and 0.214 (7). The geometry of the cation is compared with that of a recently reported dipyridyl­glyoxime with the same configuration. The cations and anions are involved in a network of inter­molecular O—H⋯Cl, N—H⋯Cl and C—H⋯Cl hydrogen bonds.

Related literature

For the synthesis of K2[ReCl6], see: Enk (1931[Enk, E. (1931). Ber. Dtsch Chem.. Ges.. 64 791-797.]). For syntheses and research on dipyridyl­glyoxime, see: Soules et al. (1970[Soules, D., Holland, W. J. & Stupavsky, S. (1970). Microchim. Acta, 58, 787-792.]); Richardson et al. (2002[Richardson, C., Steel, P. J., D'Alessandro, D. M. D., Junk, P. C. & Keene, F. R. (2002). J. Chem. Soc. Dalton Trans. pp. 2775-2785.]). For the structure of the [ReCl6]2− ion, see: Takazawa et al. (1990[Takazawa, H., Ohba, S., Saito, Y. & Sano, M. (1990). Acta Cryst. B46, 166-174.]); Hołyńska et al. (2007[Hołyńska, M., Korabik, M. & Lis, T. (2007). Acta Cryst. E63, m2859.]). For structures of rhenium compounds with monooximes, see: Jurisson et al. (1991[Jurisson, S., Francesconi, L., Linder, K. E., Treher, E., Malley, M. F., Gougoutas, J. Z. & Nunn, A. D. (1991). Inorg. Chem. 30, 1820-1827.], 1998[Jurisson, S., Halihan, M. M., Lydon, J. D., Barnes, C. L., Nowotnik, D. P. & Nunn, A. D. (1998). Inorg. Chem. 37, 1922-1928.]). For background to ππ inter­actions, see: Janiak (2000[Janiak, C. (2000). J. Chem. Soc. Dalton Trans. pp. 3885-3896.]). For related structures of the reported cation, see: Richardson & Steel (2000[Richardson, C. & Steel, P. J. (2000). Aust. J. Chem. 53, 93-97.]); Sabaté & Delalu (2012[Sabaté, C. M. & Delalu, H. (2012). Heteroat. Chem. 23, 59-65.]).

[Scheme 1]

Experimental

Crystal data
  • (C12H12N4O2)[ReCl6]

  • Mr = 643.16

  • Triclinic, [P \overline 1]

  • a = 7.836 (3) Å

  • b = 8.051 (3) Å

  • c = 8.733 (3) Å

  • α = 85.44 (3)°

  • β = 73.85 (3)°

  • γ = 65.12 (4)°

  • V = 479.6 (3) Å3

  • Z = 1

  • Mo Kα radiation

  • μ = 7.18 mm−1

  • T = 100 K

  • 0.15 × 0.06 × 0.02 mm

Data collection
  • Agilent Xcalibur PX KM-4-CCD diffractometer

  • Absorption correction: analytical (CrysAlis PRO; Agilent, 2011[Agilent (2011). CrysAlis PRO. Agilent Technologies, Yarnton, England.]) Tmin = 0.439, Tmax = 0.841

  • 9670 measured reflections

  • 4738 independent reflections

  • 4464 reflections with I > 2σ(I)

  • Rint = 0.026

Refinement
  • R[F2 > 2σ(F2)] = 0.025

  • wR(F2) = 0.039

  • S = 1.02

  • 4738 reflections

  • 126 parameters

  • H-atom parameters constrained

  • Δρmax = 1.41 e Å−3

  • Δρmin = −1.02 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
O1—H1⋯Cl2i 0.84 2.43 3.2034 (19) 154
N12—H12⋯Cl2ii 0.88 2.44 3.318 (3) 179
N32—H32⋯Cl3iii 0.88 2.75 3.416 (9) 133
N32—H32⋯Cl1iii 0.88 2.81 3.495 (8) 136
C13—H13⋯Cl2iv 0.95 2.66 3.550 (4) 157
C16—H16⋯Cl3iii 0.95 2.79 3.658 (4) 152
C36—H36⋯Cl2ii 0.95 2.68 3.581 (7) 159
Symmetry codes: (i) x+1, y, z+1; (ii) -x, -y+1, -z+1; (iii) -x+1, -y+1, -z; (iv) x, y+1, z+1.

Table 2
Selected inter­atomic distances (Å) and angles (°) for (C12H12N4O2)[ReCl6] and C12H10N4O2 (see also Sabaté & Delalu, 2012[Sabaté, C. M. & Delalu, H. (2012). Heteroat. Chem. 23, 59-65.])

(C12H12N4O2)[ReCl6]   C12H10N4O2  
C1—C1v 1.472 (3) C7—C7ii 1.468 (3)
C1—C11 1.482 (3) C7—C2 1.501 (2)
C1—N1 1.290 (2) C7—N8 1.289 (2)
N1—O1 1.3844 (19) N8—O9 1.392 (2)
C1—N1—O1 111.88 (14) C7—N8—O9 112.6 (1)
C1v—C1—N1 116.75 (18) C7ii—C7—N8 116.0 (2)
C11—C1—C1v 119.1 (3) C2—C7—C7ii 119.5 (1)
Re—Cl1 2.3500 (10)    
Re—Cl2 2.3707 (9)    
Re—Cl3 2.3531 (15)    
Symmetry codes: (ii) −x, 1 − y, 1 − z; (v) 1 − x, 1 − y, 1 − z.

Data collection: CrysAlis PRO (Agilent, 2011[Agilent (2011). CrysAlis PRO. Agilent Technologies, Yarnton, England.]); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; 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: XP in SHELXTL (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]) and DIAMOND (Brandenburg, 2006[Brandenburg, K. (2006). DIAMOND. Crystal Impact GbR, Bonn, Germany.]); software used to prepare material for publication: publCIF (Westrip, 2010[Westrip, S. P. (2010). J. Appl. Cryst. 43, 920-925.]).

Supporting information


Comment top

In the crystallographic literature many metal complexes with dioximes have been reported. In the case of rhenium compounds there are three crystal structures with coordinated monooximes (Jurisson et al., 1991; Jurisson et al., 1998), while the complexes of Re with dioximes were not reported. Therefore, it seemed an attractive idea to obtain new compounds of rhenium with dioximes. As a result of our initial attempts we obtained a new rhenium salt of the formula (C12H12N4O2)[ReCl6]. The cation is a protonated form of (1E,2E)-2,2'-dipyridylglyoxime, C12H10N4O2 [or (1E,2E)-N,N'-dihydroxy-1,2-di(pyridin-2-yl)ethane-1,2-diimine or (1E,2E)-1,2-di(pyridin-2-yl)ethanedione dioxime]. The crystal structure of (1E,2E)-2,2'-dipyridylglyoxime was recently reported by Sabaté & Delalu (2012). In the literature there is known one structure which contains a cyclic form of the C12H10N4O2 dioxime as a di(2-pyridyl)furoxan coordinated to copper(II) (Richardson & Steel, 2000). The C12H10N4O2 dioxime was initially obtained by Soules et al., (1970). Another preparating method was published by Richardson et al., (2002).

In the crystal structure reported here both cation and anion are centrosymmetric. The cation is built up by the planar glyoxime fragment, HO—N=C—C=N—OH and two protonated pyridyl rings. The pyridyl groups are attached to the dioxime unit via C atoms located at the ortho positions with respect to the N atoms. The (C12H12N4O2)2+ unit may adopt many geometries because of the conformations of the glyoxime moiety (resulting in E,E, E,Z or Z,Z isomers) and spatial arrangement of pyridyl rings in relation to the HO—N=C—C=N—OH fragment. In the studied crystal structure the cations are the E,E isomers where the glyoxime moieties form interplanar angles of about 55° with planes of aromatic rings. Similar values of the geometrical parameters are observed compared to those published by Sabaté & Delalu (2012) (Table 2) for (1E,2E)-2,2'-dipyridylglyoxime. However slight differences in overall geometries can be distinguished. Contrary to the studied cation, in the dioxime structure published previously the planar HO—N=C—C=N—OH unit is perpendicular to the planes of aromatic rings. The results reported here for the rhenium salt reveal that the presence of H atoms bonded to N atoms in aromatic rings involved in N—H···Cl hydrogen bonds (Table 1) as well as the mutual arrangement of (C12H12N4O2)2+ and [ReCl6]2- ions influence the overall geometry of the cation compared to dipyridylglyoxime.

As was mentioned before, the two pyridyl rings are bonded via C atoms in ortho positions to the planar glyoxime moiety (viz. to C1 atoms). The aromatic rings are disordered over two positions and turned to each other by an angle of about 180° (Fig. 1). The pyridyl rings of the major-occupancy form an interplanar angle of 55.4 (1)° with the glyoxime unit, while the aromatic rings of the minor-occupancy form an angle of 60.2 (3)°. The observed disorder can be interpreted as a solid solution of isomers of the cation due to the arrangement of pyridyl groups, where the glyoxime units have the same geometry. The disorder can be considered in three ways. In the first case the two centrosymmetric conformers can be in the crystal which occur in 78 and 22%. In the second one the three isomers can be observed: one centrosymmetric in 56% and two noncentrosymmetric both in 22%. In the third case the four conformers can be considered: two centrosymmetric and two noncentrosymmetric. In all the cases the preferred conformer is the centrosymmetric one for which the pyridyl rings form the interplanar angle of 55.4 (1)° with HO—N=C—C=N—OH entity.

In the title compound the hexachloridorhenate(IV) counterion has a slightly distorted octahedral geometry. Two of the three crystallographically independent Re—Cl bond lengths [2.3500 (10) and 2.3531 (15) Å] are comparable with 2.3545 (9) Å in [ReCl6]2- published by Takazawa et al., (1990). The third one is longer [2.3707 (9) Å] which can be explained by the involvement of Cl atom in the O—H···Cl and N—H···Cl hydrogen bonds (Table 1). This value is slightly longer than the Re—Cl bond lenghts [2.3604 (11) and 2.3644 (12) Å] for [ReCl6]2- published by Hołyńska et al., (2007) where only weak C—H···Cl hydrogen bonds are observed.

The crystal structure of (C12H12N4O2)[ReCl6] is stabilized by a network of O—H···Cl, N—H···Cl and C—H···Cl hydrogen bonds (Table 1) as well as π···π stacking interactions of parallel displaced pyridyl rings (Janiak 2000). The studied crystal structure reveals a layer architecture viewed down the [010] direction (Fig. 2). The cations are arranged in ribbons extended along the [-111] direction and interact with [ReCl6]2- ions via hydrogen bonds (Table 1, Fig. 3). The (C12H12N4O2)2+ ions within ribbons are also involved in π···π interactions with centroid-centroid distance of 3.878 (2) Å and an slip angle of 26.99 (1)° (Cg···Cgvii, Cg = C11/N12/C13/C14/C15/C16, (vii)–x, -y + 2, -z + 1) (calculated with DIAMOND (Brandenburg, 2006)) (Fig. 4).

Related literature top

For the synthesis of K2ReCl6, see: Enk (1931). For syntheses and research on dipyridylglyoxime, see: Soules et al. (1970); Richardson et al. (2002). For the structure of the ReCl62- ion, see: Takazawa et al. (1990); Hołyńska et al. (2007). For structures of rhenium compounds with monooximes, see: Jurisson et al. (1991, 1998). For background to ππ interactions, see: Janiak (2000). For related structures of the reported cation, see: Richardson & Steel (2000); Sabaté & Delalu (2012).

Experimental top

(1E,2E)-2,2'-dipyridylglyoxime, C12H10N4O2 used for the synthesis was obtained according to the method reported by Richardson et al., (2002). The K2[ReCl6] was obtained as published previously (Enk, 1931). The potassium hexachloridorhenate was mixed with C12H10N4O2 and acetic acid (molar ratio 1:1:3, respectively) and refluxed in water for 3 h at about 100 °C. The mixture was allowed to evaporate in air to give brown plate crystals.

Refinement top

The H atoms of the N—H and O—H groups were located in difference Fourier maps but were introduced in positions calculated from geometry, with N—H = 0.88 Å and Uiso(H) = 1.2Ueq(N) and O—H = 0.84 Å and Uiso(H) = 1.5Ueq(O). The disorder of the pyridyl rings was modelled over two positions, with occupancies of 0.786 (7) and 0.214 (7); the minor-occupancy component was refined isotropically. The disorder of the aromatic ring of the minor-occupancy components was modelled using AFIX 66. EADP constrains were used for three pairs of disordered atoms: C11 and C31; N12 and C36, C16 and N32. The H atoms of aromatic rings were treated as riding atoms in geometrically idealized positions, with C—H = 0.95 Å and Uiso(H) = 1.2Ueq(C). The highest residual electron density of 1.40 e Å-3 was located 0.80 Å from Re; the deepest hole of -1.02 e Å-3 was located 0.62 Å from Re.

Computing details top

Data collection: CrysAlis PRO (Agilent, 2011); cell refinement: CrysAlis PRO (Agilent, 2011); data reduction: CrysAlis PRO (Agilent, 2011); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: XP in SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010).

Figures top
[Figure 1] Fig. 1. The crystal structure of (C12H12N4O2)[ReCl6] salt with labelling atoms in the asymmetric part of the unit cell. Displacement ellipsoids are drawn at the 20% probability level. The aromatic rings of minor-occupancy pyridyl component are drawn by thin lines.
[Figure 2] Fig. 2. Packing diagram showing a layer architecture in the crystal structure of the title compound. Displacement ellipsoids are drawn at the 20% probability level. The aromatic rings of minor-occupancy component are omitted for clarity.
[Figure 3] Fig. 3. Ribbons of adjacent cations extending along [-111] direction which interact with [ReCl6]2- ions via O—H···Cl, N—H···Cl and C—H···Cl hydrogen bonds. Hydrogen atoms not involved in interactions are omitted for clarity. Displacement ellipsoids are drawn at the 20% probability level. The aromatic rings of minor-occupancy component are omitted for clarity.
[Figure 4] Fig. 4. Packing diagram viewed down the c-axis showing π···π stacking interactions between the adjacent cations. The aromatic rings of minor-occupancy component are omitted for clarity. Symmetry codes: (v) 1–x, 1 - y, 1 - z; (vi) -x + 1, -y + 2, -z + 1; (vii) –x, -y + 2, -z + 1; (viii) x + 1, y - 1, z; (ix) x + 1, y, z.
2,2'-[(1E,2E)-1,2-Bis(hydroxyimino)ethane-1,2-diyl]dipyridinium hexachloridorhenate(IV) top
Crystal data top
(C12H12N4O2)[ReCl6]Z = 1
Mr = 643.16F(000) = 305
Triclinic, P1Dx = 2.227 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 7.836 (3) ÅCell parameters from 10732 reflections
b = 8.051 (3) Åθ = 2.8–38.5°
c = 8.733 (3) ŵ = 7.18 mm1
α = 85.44 (3)°T = 100 K
β = 73.85 (3)°Plate, brown
γ = 65.12 (4)°0.15 × 0.06 × 0.02 mm
V = 479.6 (3) Å3
Data collection top
Agilent Xcalibur PX KM-4-CCD
diffractometer
4738 independent reflections
Radiation source: fine-focus sealed tube4464 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.026
ϕ and ω scansθmax = 38.5°, θmin = 2.8°
Absorption correction: analytical
(CrysAlis PRO; Agilent, 2011)
h = 1313
Tmin = 0.439, Tmax = 0.841k = 1414
9670 measured reflectionsl = 1512
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.025Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.039H-atom parameters constrained
S = 1.02 w = 1/[σ2(Fo2) + (0.012P)2]
where P = (Fo2 + 2Fc2)/3
4738 reflections(Δ/σ)max < 0.001
126 parametersΔρmax = 1.41 e Å3
0 restraintsΔρmin = 1.02 e Å3
Crystal data top
(C12H12N4O2)[ReCl6]γ = 65.12 (4)°
Mr = 643.16V = 479.6 (3) Å3
Triclinic, P1Z = 1
a = 7.836 (3) ÅMo Kα radiation
b = 8.051 (3) ŵ = 7.18 mm1
c = 8.733 (3) ÅT = 100 K
α = 85.44 (3)°0.15 × 0.06 × 0.02 mm
β = 73.85 (3)°
Data collection top
Agilent Xcalibur PX KM-4-CCD
diffractometer
4738 independent reflections
Absorption correction: analytical
(CrysAlis PRO; Agilent, 2011)
4464 reflections with I > 2σ(I)
Tmin = 0.439, Tmax = 0.841Rint = 0.026
9670 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0250 restraints
wR(F2) = 0.039H-atom parameters constrained
S = 1.02Δρmax = 1.41 e Å3
4738 reflectionsΔρmin = 1.02 e Å3
126 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*/UeqOcc. (<1)
Re0.00000.50000.00000.01565 (3)
Cl10.08601 (6)0.50992 (6)0.27962 (5)0.01953 (8)
Cl20.21489 (7)0.36685 (6)0.01114 (5)0.02267 (9)
Cl30.25414 (7)0.20532 (6)0.01585 (5)0.02528 (10)
O10.5915 (2)0.64822 (17)0.74131 (15)0.0205 (3)
H10.65250.60380.81060.031*
N10.6027 (2)0.5076 (2)0.65197 (18)0.0178 (3)
C10.4972 (2)0.5685 (2)0.55275 (19)0.0151 (3)
C110.3742 (6)0.7650 (4)0.5391 (5)0.0171 (3)0.786 (7)
N120.2411 (4)0.8555 (4)0.6748 (3)0.0190 (4)0.786 (7)
H120.23600.79520.76330.023*0.786 (7)
C130.1165 (4)1.0326 (4)0.6810 (4)0.0283 (7)0.786 (7)
H130.02571.09080.77890.034*0.786 (7)
C140.1219 (5)1.1290 (3)0.5432 (4)0.0297 (8)0.786 (7)
H140.03451.25430.54490.036*0.786 (7)
C150.2549 (5)1.0417 (4)0.4039 (4)0.0285 (8)0.786 (7)
H150.25951.10700.30840.034*0.786 (7)
C160.3830 (6)0.8590 (5)0.4009 (4)0.0217 (6)0.786 (7)
H160.47610.79940.30420.026*0.786 (7)
C310.377 (2)0.7638 (9)0.5356 (14)0.0171 (3)0.214 (7)
N320.4339 (15)0.8257 (9)0.3851 (11)0.0217 (6)0.214 (7)
H320.52830.74850.30970.026*0.214 (7)
C330.3418 (12)1.0095 (10)0.3537 (8)0.0182 (19)*0.214 (7)
H330.38091.05180.25090.022*0.214 (7)
C340.1926 (11)1.1314 (7)0.4728 (10)0.0153 (18)*0.214 (7)
H340.12971.25700.45140.018*0.214 (7)
C350.1355 (11)1.0695 (11)0.6233 (9)0.0157 (19)*0.214 (7)
H350.03351.15280.70470.019*0.214 (7)
C360.2275 (18)0.8857 (13)0.6547 (10)0.0190 (4)0.214 (7)
H360.18840.84340.75760.023*0.214 (7)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Re0.01360 (4)0.02072 (5)0.01234 (5)0.00645 (3)0.00438 (3)0.00154 (3)
Cl10.02003 (19)0.0271 (2)0.01245 (18)0.01074 (16)0.00483 (15)0.00221 (15)
Cl20.0230 (2)0.0342 (2)0.0169 (2)0.01699 (18)0.00705 (16)0.00295 (16)
Cl30.0234 (2)0.0247 (2)0.0201 (2)0.00156 (17)0.00808 (17)0.00118 (16)
O10.0239 (6)0.0236 (6)0.0188 (6)0.0106 (5)0.0120 (5)0.0014 (5)
N10.0173 (7)0.0194 (7)0.0177 (7)0.0074 (5)0.0066 (5)0.0018 (5)
C10.0135 (7)0.0167 (7)0.0148 (7)0.0067 (6)0.0033 (6)0.0029 (6)
C110.0195 (8)0.0175 (8)0.0181 (8)0.0085 (6)0.0102 (6)0.0026 (6)
N120.0214 (9)0.0172 (11)0.0181 (10)0.0045 (8)0.0108 (7)0.0016 (7)
C130.0334 (14)0.0195 (12)0.0331 (17)0.0047 (10)0.0195 (12)0.0023 (11)
C140.0407 (18)0.0164 (11)0.0398 (19)0.0098 (10)0.0273 (16)0.0049 (10)
C150.042 (2)0.0273 (14)0.0336 (17)0.0230 (14)0.0261 (16)0.0176 (13)
C160.0285 (18)0.0218 (13)0.0174 (11)0.0124 (12)0.0083 (12)0.0053 (9)
C310.0195 (8)0.0175 (8)0.0181 (8)0.0085 (6)0.0102 (6)0.0026 (6)
N320.0285 (18)0.0218 (13)0.0174 (11)0.0124 (12)0.0083 (12)0.0053 (9)
C360.0214 (9)0.0172 (11)0.0181 (10)0.0045 (8)0.0108 (7)0.0016 (7)
Geometric parameters (Å, º) top
Re—Cl12.3500 (10)C14—H140.9500
Re—Cl22.3707 (9)C15—C161.386 (4)
Re—Cl32.3531 (15)C15—H150.9500
O1—N11.3844 (19)C16—H160.9500
O1—H10.8400C31—N321.3900
N1—C11.290 (2)C31—C361.3900
C1—C1i1.472 (3)N32—C331.3900
C1—C111.482 (3)N32—H320.8800
C1—C311.476 (6)C33—C341.3900
C11—N121.354 (3)C33—H330.9500
C11—C161.374 (3)C34—C351.3900
N12—C131.342 (3)C34—H340.9500
N12—H120.8800C35—C361.3900
C13—C141.379 (4)C35—H350.9500
C13—H130.9500C36—H360.9500
C14—C151.369 (4)
Cl1—Re—Cl390.35 (4)C13—N12—C11123.2 (2)
Cl1—Re—Cl290.11 (3)N12—C13—C14119.1 (3)
Cl3—Re—Cl289.72 (4)C15—C14—C13119.1 (2)
N1—O1—H1109.5C14—C15—C16120.6 (2)
C1—N1—O1111.88 (14)C11—C16—C15119.4 (3)
N1—C1—C1i116.75 (18)N32—C31—C36120.0
N1—C1—C11124.1 (2)N32—C31—C1113.3 (6)
C1i—C1—C11119.1 (3)C36—C31—C1126.6 (7)
N1—C1—C31124.8 (7)C31—N32—C33120.0
C1i—C1—C31118.4 (7)C34—C33—N32120.0
N12—C11—C16118.5 (2)C35—C34—C33120.0
N12—C11—C1116.2 (3)C34—C35—C36120.0
C16—C11—C1125.3 (3)C35—C36—C31120.0
O1—N1—C1—C1i178.00 (16)C1—C11—C16—C15178.0 (4)
O1—N1—C1—C111.6 (3)N1—C1—C31—N32118.0 (6)
O1—N1—C1—C310.5 (6)C1i—C1—C31—N3260.4 (9)
N1—C1—C11—N1255.6 (4)N1—C1—C31—C3657.8 (11)
C1i—C1—C11—N12124.8 (3)C1i—C1—C31—C36123.7 (7)
N1—C1—C11—C16125.6 (3)C1—C31—N32—C33176.1 (13)
C1i—C1—C11—C1654.0 (5)C1—C31—C36—C35175.6 (15)
C1—C11—N12—C13178.6 (4)
Symmetry code: (i) x+1, y+1, z+1.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1—H1···Cl2ii0.842.433.2034 (19)154
N12—H12···Cl2iii0.882.443.318 (3)179
N32—H32···Cl3iv0.882.753.416 (9)133
N32—H32···Cl1iv0.882.813.495 (8)136
C13—H13···Cl2v0.952.663.550 (4)157
C16—H16···Cl3iv0.952.793.658 (4)152
C36—H36···Cl2iii0.952.683.581 (7)159
Symmetry codes: (ii) x+1, y, z+1; (iii) x, y+1, z+1; (iv) x+1, y+1, z; (v) x, y+1, z+1.

Experimental details

Crystal data
Chemical formula(C12H12N4O2)[ReCl6]
Mr643.16
Crystal system, space groupTriclinic, P1
Temperature (K)100
a, b, c (Å)7.836 (3), 8.051 (3), 8.733 (3)
α, β, γ (°)85.44 (3), 73.85 (3), 65.12 (4)
V3)479.6 (3)
Z1
Radiation typeMo Kα
µ (mm1)7.18
Crystal size (mm)0.15 × 0.06 × 0.02
Data collection
DiffractometerAgilent Xcalibur PX KM-4-CCD
diffractometer
Absorption correctionAnalytical
(CrysAlis PRO; Agilent, 2011)
Tmin, Tmax0.439, 0.841
No. of measured, independent and
observed [I > 2σ(I)] reflections
9670, 4738, 4464
Rint0.026
(sin θ/λ)max1)0.877
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.025, 0.039, 1.02
No. of reflections4738
No. of parameters126
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)1.41, 1.02

Computer programs: CrysAlis PRO (Agilent, 2011), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), XP in SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 2006), publCIF (Westrip, 2010).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1—H1···Cl2i0.842.433.2034 (19)154
N12—H12···Cl2ii0.882.443.318 (3)179
N32—H32···Cl3iii0.882.753.416 (9)133
N32—H32···Cl1iii0.882.813.495 (8)136
C13—H13···Cl2iv0.952.663.550 (4)157
C16—H16···Cl3iii0.952.793.658 (4)152
C36—H36···Cl2ii0.952.683.581 (7)159
Symmetry codes: (i) x+1, y, z+1; (ii) x, y+1, z+1; (iii) x+1, y+1, z; (iv) x, y+1, z+1.
Selected interatomic distances (Å) and angles (°) for (C12H12N4O2)[ReCl6] and C12H10N4O2 (see also Sabaté &amp; Delalu, 2012). top
(C12H12N4O2)[ReCl6]C12H10N4O2
C1—C1v1.472 (3)C7—C7ii1.468 (3)
C1—C111.482 (3)C7—C21.501 (2)
C1—N11.290 (2)C7—N81.289 (2)
N1—O11.3844 (19)N8—O91.392 (2)
C1—N1—O1111.88 (14)C7—N8—O9112.6 (1)
C1v—C1—N1116.75 (18)C7ii—C7—N8116.0 (2)
C11—C1—C1v119.1 (3)C2—C7—C7ii119.5 (1)
Re—Cl12.3500 (10)
Re—Cl22.3707 (9)
Re—Cl32.3531 (15)
Notes: Symmetry codes: (ii) -x, 1-y, 1-z; (v) 1-x, 1-y, 1-z.
 

References

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Volume 68| Part 9| September 2012| Pages m1174-m1175
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