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9-Oxo-4,5-di­aza­fluoren-4-ium tetra­chloridoaurate(III)–4,5-di­aza­fluoren-9-one (1/1)

aDepartment of Chemistry, General Campus, Shahid Beheshti University, Tehran, Iran, and bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
*Correspondence e-mail: seikweng@um.edu.my

(Received 19 February 2009; accepted 24 February 2009; online 28 February 2009)

The AuIII atom in the title compound, (C11H7N2O)[AuCl4]·C11H6N2O, is in a nearly square-planar environment defined by four Cl atoms. The protonated 9-oxo-4,5-diaza­fluoren-4-ium cation forms an N—H⋯N hydrogen bond with the neutral 4,5-diaza­fluoren-9-one mol­ecule.

Related literature

For other 9-oxo-4,5-diaza­fluoren-4-ium tetra­chlorido­metal­lates, see: Kulkarni et al. (2003[Kulkarni, P., Padhye, S. & Sinn, E. (2003). Inorg. Chem. Commun. 6, 1129-1132.]); Menon et al. (1994[Menon, S., Balagopalakrishna, C., Rajasekharan, M. V. & Ramakrishna, B. L. (1994). Inorg. Chem. 33, 950-954.]); Ravikumar et al. (1995[Ravikumar, K., Venkata Lakshmi, N., Swamy, G. Y. S. K. & Chandra Mohan, K. (1995). Acta Cryst. C51, 1556-1558.]); Ravikumar & Lakshmi (1994[Ravikumar, K. & Lakshmi, N. V. (1994). Z. Kristallogr. 209, 56-57.]); Zhang et al. (2003[Zhang, R.-L., Liu, H.-M., Zhao, J.-S., Gu, A.-P., He, S.-Y., Liu, J.-N. & Shi, Q.-Z. (2003). Chin. J. Inorg. Chem. 19, 722-726.]). For the synthesis of 4,5-diaza­fluoren-9-one, see: Henderson et al. (1984[Henderson, L. J., Fronczek, F. R. & Cherry, W. R. (1984). J. Am. Chem. Soc. 106, 5876-5879.]).

[Scheme 1]

Experimental

Crystal data
  • (C11H7N2O)[AuCl4]·C11H6N2O

  • Mr = 704.13

  • Triclinic, [P \overline 1]

  • a = 7.1035 (1) Å

  • b = 12.6513 (2) Å

  • c = 13.2366 (2) Å

  • α = 73.285 (1)°

  • β = 78.410 (1)°

  • γ = 88.375 (1)°

  • V = 1115.51 (3) Å3

  • Z = 2

  • Mo Kα radiation

  • μ = 7.10 mm−1

  • T = 118 K

  • 0.20 × 0.10 × 0.10 mm

Data collection
  • Bruker APEXII CCD diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.331, Tmax = 0.537 (expected range = 0.303–0.491)

  • 9343 measured reflections

  • 5044 independent reflections

  • 4829 reflections with I > 2σ(I)

  • Rint = 0.016

Refinement
  • R[F2 > 2σ(F2)] = 0.025

  • wR(F2) = 0.067

  • S = 1.04

  • 5044 reflections

  • 302 parameters

  • 1 restraint

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

  • Δρmax = 3.05 e Å−3

  • Δρmin = −1.27 e Å−3

Table 1
Selected bond lengths (Å)

Au1—Cl1 2.2720 (8)
Au1—Cl2 2.2882 (8)
Au1—Cl3 2.2864 (8)
Au1—Cl4 2.2872 (8)

Table 2
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
N1—H1⋯N3 0.89 (1) 1.88 (1) 2.762 (4) 168 (4)

Data collection: APEX2 (Bruker, 2007[Bruker (2007). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2007[Bruker (2007). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; 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: X-SEED (Barbour, 2001[Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.]); software used to prepare material for publication: publCIF (Westrip, 2009[Westrip, S. P. (2009). publCIF. In preparation.]).

Supporting information


Related literature top

For other 9-oxo-4,5-diazafluoren-4-ium tetrachloridometallates, see: Kulkarni et al. (2003); Menon et al. (1994); Ravikumar et al. (1995); Ravikumar & Lakshmi (1994); Zhang et al. (2003). For the synthesis of 4,5-diazafluoren-9-one, see: Henderson et al. (1984).

Experimental top

Chloroauric acid trihydrate (0.25 g, 0.73 mmol) dissolved in acetonitrile (5 ml) was mixed with 4,5-diazafluoren-9-one (Henderson et al., 1984) (0.13 g, 0.73 mmol) dissolved in methanol (5 ml). The yellow solution was set aside for the growth of crystals, which appeared after two weeks (yield 70%; m.p. 483 K).

Refinement top

C-bound H atoms were positioned geometrically and refined as riding atoms, with C—H = 0.95 Å and with Uiso(H) = 1.2Ueq(C). The N-bound H atom was located in a difference Fourier map and refined isotropically, with a distance restraint of N—H = 0.88 (1) Å. The crystal diffracted strongly owing to the extremely heavy metal atom; however, its presence introduced severe absorption problems that could not be corrected analytically as the crystal did not have regular faces. The final difference Fourier map had a highest peak at 1.00 Å and a deepest hole at 1.00 Å from Au1 atom.

Computing details top

Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2009).

Figures top
[Figure 1] Fig. 1. Molecular structure of the title compound. Displacement ellipsoids are drawn at the 70% probability level. The dashed line denotes hydrogen bond.
9-Oxo-4,5-diazafluoren-4-ium tetrachloridoaurate(III)–4,5-diazafluoren-9-one (1/1) top
Crystal data top
(C11H7N2O)[AuCl4]·C11H6N2OZ = 2
Mr = 704.13F(000) = 672
Triclinic, P1Dx = 2.096 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 7.1035 (1) ÅCell parameters from 7741 reflections
b = 12.6513 (2) Åθ = 2.7–28.4°
c = 13.2366 (2) ŵ = 7.10 mm1
α = 73.285 (1)°T = 118 K
β = 78.410 (1)°Block, yellow
γ = 88.375 (1)°0.20 × 0.10 × 0.10 mm
V = 1115.51 (3) Å3
Data collection top
Bruker APEXII CCD
diffractometer
5044 independent reflections
Radiation source: fine-focus sealed tube4829 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.016
ϕ and ω scansθmax = 27.5°, θmin = 1.6°
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
h = 99
Tmin = 0.331, Tmax = 0.537k = 1616
9343 measured reflectionsl = 1717
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) = 0.067H atoms treated by a mixture of independent and constrained refinement
S = 1.04 w = 1/[σ2(Fo2) + (0.0509P)2 + 0.1124P]
where P = (Fo2 + 2Fc2)/3
5044 reflections(Δ/σ)max = 0.001
302 parametersΔρmax = 3.05 e Å3
1 restraintΔρmin = 1.27 e Å3
Crystal data top
(C11H7N2O)[AuCl4]·C11H6N2Oγ = 88.375 (1)°
Mr = 704.13V = 1115.51 (3) Å3
Triclinic, P1Z = 2
a = 7.1035 (1) ÅMo Kα radiation
b = 12.6513 (2) ŵ = 7.10 mm1
c = 13.2366 (2) ÅT = 118 K
α = 73.285 (1)°0.20 × 0.10 × 0.10 mm
β = 78.410 (1)°
Data collection top
Bruker APEXII CCD
diffractometer
5044 independent reflections
Absorption correction: multi-scan
(SADABS; Sheldrick, 1996)
4829 reflections with I > 2σ(I)
Tmin = 0.331, Tmax = 0.537Rint = 0.016
9343 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0251 restraint
wR(F2) = 0.067H atoms treated by a mixture of independent and constrained refinement
S = 1.04Δρmax = 3.05 e Å3
5044 reflectionsΔρmin = 1.27 e Å3
302 parameters
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
Au10.298203 (14)0.304054 (8)0.394619 (8)0.01445 (6)
Cl10.28189 (13)0.32712 (7)0.56013 (7)0.02448 (17)
Cl20.31382 (13)0.49176 (6)0.32181 (7)0.02314 (17)
Cl30.31133 (12)0.28082 (6)0.22834 (6)0.01975 (16)
Cl40.28622 (13)0.11653 (6)0.46788 (7)0.02373 (17)
O10.1850 (4)0.3950 (2)0.7782 (2)0.0258 (5)
O20.3590 (4)1.22613 (19)0.9995 (2)0.0239 (5)
N10.2353 (4)0.7025 (2)0.9069 (2)0.0163 (5)
H10.247 (6)0.7760 (9)0.885 (3)0.029 (11)*
N20.2032 (4)0.7897 (2)0.6684 (2)0.0187 (5)
N30.3136 (4)0.9265 (2)0.8548 (2)0.0156 (5)
N40.1257 (4)0.8534 (2)1.0949 (2)0.0168 (5)
C10.2546 (5)0.6495 (3)1.0088 (3)0.0186 (6)
H1A0.26620.69121.05670.022*
C20.2576 (5)0.5354 (3)1.0441 (3)0.0203 (6)
H20.27040.49941.11590.024*
C30.2420 (5)0.4737 (3)0.9747 (3)0.0205 (6)
H30.24470.39540.99770.025*
C40.2222 (4)0.5296 (3)0.8712 (3)0.0164 (6)
C50.2212 (4)0.6449 (2)0.8388 (2)0.0153 (6)
C60.2012 (4)0.4900 (3)0.7772 (3)0.0181 (6)
C70.1980 (5)0.5922 (3)0.6874 (3)0.0182 (6)
C80.1879 (5)0.6097 (3)0.5801 (3)0.0212 (7)
H80.18250.55010.55040.025*
C90.1863 (5)0.7187 (3)0.5186 (3)0.0212 (7)
H90.18090.73490.44450.025*
C100.1924 (5)0.8047 (3)0.5642 (3)0.0223 (7)
H100.18880.87810.51950.027*
C110.2057 (4)0.6848 (3)0.7249 (3)0.0155 (6)
C120.3999 (4)0.9788 (3)0.7520 (3)0.0181 (6)
H120.41780.93800.70090.022*
C130.4636 (4)1.0882 (3)0.7171 (3)0.0180 (6)
H130.52121.12060.64360.022*
C140.4435 (4)1.1511 (2)0.7894 (3)0.0176 (6)
H140.48581.22640.76750.021*
C150.3585 (4)1.0977 (2)0.8947 (3)0.0154 (6)
C160.2951 (4)0.9874 (2)0.9225 (2)0.0139 (6)
C170.3142 (4)1.1372 (2)0.9930 (3)0.0165 (6)
C180.2124 (4)1.0415 (2)1.0813 (3)0.0162 (6)
C190.1345 (4)1.0290 (3)1.1887 (3)0.0181 (6)
H190.13831.08761.22000.022*
C200.0503 (4)0.9262 (3)1.2485 (3)0.0199 (6)
H200.00620.91331.32260.024*
C210.0490 (4)0.8422 (3)1.1996 (3)0.0195 (6)
H210.00940.77291.24260.023*
C220.2039 (4)0.9522 (2)1.0394 (2)0.0143 (5)
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Au10.01648 (8)0.01391 (8)0.01188 (8)0.00013 (5)0.00036 (5)0.00370 (5)
Cl10.0377 (5)0.0222 (4)0.0142 (4)0.0028 (3)0.0047 (3)0.0066 (3)
Cl20.0343 (4)0.0151 (4)0.0193 (4)0.0012 (3)0.0052 (3)0.0038 (3)
Cl30.0262 (4)0.0187 (4)0.0144 (4)0.0011 (3)0.0020 (3)0.0061 (3)
Cl40.0333 (4)0.0151 (4)0.0194 (4)0.0019 (3)0.0005 (3)0.0030 (3)
O10.0391 (14)0.0147 (11)0.0241 (13)0.0037 (10)0.0044 (11)0.0072 (10)
O20.0348 (13)0.0135 (11)0.0251 (13)0.0004 (9)0.0077 (11)0.0074 (10)
N10.0197 (12)0.0112 (12)0.0171 (13)0.0000 (9)0.0020 (10)0.0038 (10)
N20.0205 (13)0.0146 (12)0.0195 (14)0.0029 (10)0.0032 (11)0.0030 (10)
N30.0171 (12)0.0149 (12)0.0136 (12)0.0002 (9)0.0016 (10)0.0033 (10)
N40.0180 (12)0.0155 (12)0.0162 (13)0.0018 (9)0.0016 (10)0.0048 (10)
C10.0229 (15)0.0171 (14)0.0161 (15)0.0012 (11)0.0014 (12)0.0068 (12)
C20.0255 (16)0.0161 (15)0.0177 (16)0.0011 (12)0.0038 (13)0.0031 (12)
C30.0228 (16)0.0151 (14)0.0211 (16)0.0004 (12)0.0026 (13)0.0024 (12)
C40.0178 (14)0.0136 (14)0.0189 (15)0.0004 (11)0.0024 (12)0.0071 (12)
C50.0146 (13)0.0143 (14)0.0164 (15)0.0007 (10)0.0001 (11)0.0054 (12)
C60.0189 (14)0.0171 (15)0.0191 (15)0.0002 (11)0.0012 (12)0.0081 (12)
C70.0190 (14)0.0161 (14)0.0199 (16)0.0005 (11)0.0021 (12)0.0071 (12)
C80.0212 (15)0.0241 (16)0.0198 (16)0.0026 (12)0.0037 (13)0.0089 (13)
C90.0194 (15)0.0265 (17)0.0169 (16)0.0016 (12)0.0025 (12)0.0054 (13)
C100.0224 (16)0.0218 (16)0.0197 (17)0.0023 (12)0.0048 (13)0.0007 (13)
C110.0137 (13)0.0137 (14)0.0181 (15)0.0001 (10)0.0023 (11)0.0035 (12)
C120.0190 (14)0.0188 (15)0.0162 (15)0.0008 (11)0.0023 (12)0.0056 (12)
C130.0184 (14)0.0176 (14)0.0141 (14)0.0006 (11)0.0007 (12)0.0002 (12)
C140.0169 (14)0.0130 (13)0.0214 (16)0.0009 (11)0.0040 (12)0.0024 (12)
C150.0156 (13)0.0128 (13)0.0177 (15)0.0032 (10)0.0046 (12)0.0035 (12)
C160.0122 (13)0.0133 (13)0.0155 (14)0.0014 (10)0.0027 (11)0.0032 (11)
C170.0178 (14)0.0131 (13)0.0190 (15)0.0030 (11)0.0057 (12)0.0040 (12)
C180.0149 (13)0.0157 (14)0.0183 (15)0.0011 (11)0.0043 (11)0.0049 (12)
C190.0193 (14)0.0184 (14)0.0193 (15)0.0028 (11)0.0060 (12)0.0084 (12)
C200.0170 (14)0.0270 (16)0.0148 (15)0.0024 (12)0.0009 (12)0.0064 (13)
C210.0181 (14)0.0172 (14)0.0206 (16)0.0011 (11)0.0021 (12)0.0025 (12)
C220.0120 (12)0.0149 (13)0.0165 (14)0.0020 (10)0.0036 (11)0.0047 (11)
Geometric parameters (Å, º) top
Au1—Cl12.2720 (8)C7—C81.389 (5)
Au1—Cl22.2882 (8)C7—C111.405 (4)
Au1—Cl32.2864 (8)C8—C91.386 (5)
Au1—Cl42.2872 (8)C8—H80.9500
O1—C61.208 (4)C9—C101.393 (5)
O2—C171.209 (4)C9—H90.9500
N1—C51.331 (4)C10—H100.9500
N1—C11.355 (4)C12—C131.385 (4)
N1—H10.89 (1)C12—H120.9500
N2—C111.325 (4)C13—C141.396 (4)
N2—C101.355 (4)C13—H130.9500
N3—C161.326 (4)C14—C151.381 (4)
N3—C121.354 (4)C14—H140.9500
N4—C221.326 (4)C15—C161.400 (4)
N4—C211.352 (4)C15—C171.498 (4)
C1—C21.384 (4)C16—C221.493 (4)
C1—H1A0.9500C17—C181.500 (4)
C2—C31.387 (5)C18—C191.382 (4)
C2—H20.9500C18—C221.402 (4)
C3—C41.383 (5)C19—C201.392 (4)
C3—H30.9500C19—H190.9500
C4—C51.397 (4)C20—C211.396 (4)
C4—C61.503 (4)C20—H200.9500
C5—C111.471 (4)C21—H210.9500
C6—C71.486 (5)
Cl1—Au1—Cl3179.43 (3)N2—C10—C9123.9 (3)
Cl1—Au1—Cl490.27 (3)N2—C10—H10118.1
Cl3—Au1—Cl489.73 (3)C9—C10—H10118.1
Cl1—Au1—Cl289.47 (3)N2—C11—C7126.7 (3)
Cl3—Au1—Cl290.55 (3)N2—C11—C5125.6 (3)
Cl4—Au1—Cl2179.30 (3)C7—C11—C5107.7 (3)
C5—N1—C1120.1 (3)N3—C12—C13123.8 (3)
C5—N1—H1122 (3)N3—C12—H12118.1
C1—N1—H1118 (3)C13—C12—H12118.1
C11—N2—C10114.0 (3)C12—C13—C14120.3 (3)
C16—N3—C12115.2 (3)C12—C13—H13119.8
C22—N4—C21115.0 (3)C14—C13—H13119.8
N1—C1—C2120.9 (3)C15—C14—C13116.1 (3)
N1—C1—H1A119.6C15—C14—H14121.9
C2—C1—H1A119.6C13—C14—H14121.9
C1—C2—C3120.1 (3)C14—C15—C16119.8 (3)
C1—C2—H2120.0C14—C15—C17131.3 (3)
C3—C2—H2120.0C16—C15—C17108.9 (3)
C4—C3—C2118.0 (3)N3—C16—C15124.8 (3)
C4—C3—H3121.0N3—C16—C22126.9 (3)
C2—C3—H3121.0C15—C16—C22108.3 (3)
C3—C4—C5120.0 (3)O2—C17—C15126.5 (3)
C3—C4—C6132.0 (3)O2—C17—C18128.0 (3)
C5—C4—C6107.9 (3)C15—C17—C18105.4 (2)
N1—C5—C4121.0 (3)C19—C18—C22119.4 (3)
N1—C5—C11129.2 (3)C19—C18—C17132.1 (3)
C4—C5—C11109.8 (3)C22—C18—C17108.5 (3)
O1—C6—C7128.9 (3)C18—C19—C20116.5 (3)
O1—C6—C4126.0 (3)C18—C19—H19121.8
C7—C6—C4105.1 (3)C20—C19—H19121.8
C8—C7—C11118.2 (3)C19—C20—C21120.0 (3)
C8—C7—C6132.5 (3)C19—C20—H20120.0
C11—C7—C6109.4 (3)C21—C20—H20120.0
C9—C8—C7116.6 (3)N4—C21—C20124.0 (3)
C9—C8—H8121.7N4—C21—H21118.0
C7—C8—H8121.7C20—C21—H21118.0
C8—C9—C10120.7 (3)N4—C22—C18125.2 (3)
C8—C9—H9119.7N4—C22—C16126.0 (3)
C10—C9—H9119.7C18—C22—C16108.8 (3)
C5—N1—C1—C20.8 (5)C16—N3—C12—C130.8 (5)
N1—C1—C2—C30.4 (5)N3—C12—C13—C141.0 (5)
C1—C2—C3—C40.4 (5)C12—C13—C14—C150.1 (5)
C2—C3—C4—C50.9 (5)C13—C14—C15—C161.3 (4)
C2—C3—C4—C6179.7 (3)C13—C14—C15—C17179.7 (3)
C1—N1—C5—C41.2 (5)C12—N3—C16—C150.5 (4)
C1—N1—C5—C11177.8 (3)C12—N3—C16—C22179.1 (3)
C3—C4—C5—N11.3 (5)C14—C15—C16—N31.5 (5)
C6—C4—C5—N1179.2 (3)C17—C15—C16—N3179.3 (3)
C3—C4—C5—C11177.9 (3)C14—C15—C16—C22178.0 (3)
C6—C4—C5—C111.6 (3)C17—C15—C16—C221.2 (3)
C3—C4—C6—O15.2 (6)C14—C15—C17—O25.5 (6)
C5—C4—C6—O1175.3 (3)C16—C15—C17—O2175.4 (3)
C3—C4—C6—C7176.8 (3)C14—C15—C17—C18177.2 (3)
C5—C4—C6—C72.8 (3)C16—C15—C17—C181.9 (3)
O1—C6—C7—C84.5 (6)O2—C17—C18—C193.9 (6)
C4—C6—C7—C8177.6 (4)C15—C17—C18—C19178.8 (3)
O1—C6—C7—C11175.0 (3)O2—C17—C18—C22175.3 (3)
C4—C6—C7—C112.9 (3)C15—C17—C18—C222.0 (3)
C11—C7—C8—C90.0 (5)C22—C18—C19—C200.3 (4)
C6—C7—C8—C9179.4 (3)C17—C18—C19—C20179.5 (3)
C7—C8—C9—C100.7 (5)C18—C19—C20—C210.4 (5)
C11—N2—C10—C90.6 (5)C22—N4—C21—C200.4 (5)
C8—C9—C10—N21.0 (5)C19—C20—C21—N40.1 (5)
C10—N2—C11—C70.2 (5)C21—N4—C22—C180.5 (4)
C10—N2—C11—C5178.5 (3)C21—N4—C22—C16178.9 (3)
C8—C7—C11—N20.5 (5)C19—C18—C22—N40.1 (5)
C6—C7—C11—N2179.1 (3)C17—C18—C22—N4179.2 (3)
C8—C7—C11—C5178.4 (3)C19—C18—C22—C16179.3 (3)
C6—C7—C11—C52.0 (4)C17—C18—C22—C161.3 (3)
N1—C5—C11—N20.0 (5)N3—C16—C22—N40.0 (5)
C4—C5—C11—N2179.1 (3)C15—C16—C22—N4179.5 (3)
N1—C5—C11—C7178.9 (3)N3—C16—C22—C18179.5 (3)
C4—C5—C11—C70.2 (4)C15—C16—C22—C180.1 (3)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1···N30.89 (1)1.88 (1)2.762 (4)168 (4)

Experimental details

Crystal data
Chemical formula(C11H7N2O)[AuCl4]·C11H6N2O
Mr704.13
Crystal system, space groupTriclinic, P1
Temperature (K)118
a, b, c (Å)7.1035 (1), 12.6513 (2), 13.2366 (2)
α, β, γ (°)73.285 (1), 78.410 (1), 88.375 (1)
V3)1115.51 (3)
Z2
Radiation typeMo Kα
µ (mm1)7.10
Crystal size (mm)0.20 × 0.10 × 0.10
Data collection
DiffractometerBruker APEXII CCD
diffractometer
Absorption correctionMulti-scan
(SADABS; Sheldrick, 1996)
Tmin, Tmax0.331, 0.537
No. of measured, independent and
observed [I > 2σ(I)] reflections
9343, 5044, 4829
Rint0.016
(sin θ/λ)max1)0.650
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.025, 0.067, 1.04
No. of reflections5044
No. of parameters302
No. of restraints1
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å3)3.05, 1.27

Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), X-SEED (Barbour, 2001), publCIF (Westrip, 2009).

Selected bond lengths (Å) top
Au1—Cl12.2720 (8)Au1—Cl32.2864 (8)
Au1—Cl22.2882 (8)Au1—Cl42.2872 (8)
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
N1—H1···N30.89 (1)1.88 (1)2.762 (4)168 (4)
 

Acknowledgements

We thank Shahid Beheshti University and the University of Malaya for supporting this study.

References

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