catena-Poly[[(6,7,9,10,17,18,20,21-octa-hydro-5,8,11,16,19,22-hexa-oxadibenzo[a,j]cyclo-octa-decene)barium]-di-μ-thio-cyanato-[thio-cyanato-diaurate(I)(Au-Au)]-μ-thio-cyanato].

In the title compound, [Au(2)Ba(NCS)(4)(C(20)H(24)O(6))](n), the dithio--cyanato-aurate(I) anion adopts a dimeric structure with an Au⋯Au distance of 3.1109 (10) Å; both Au(I) atoms are also bonded to two S atoms. The Ba(II) ion adopts an irregular BaN(3)O(6) geometry, arising from the crown ether and three adjacent thio-cyanate N atoms; the extended structure of the complex can be described as a one-dimensional coordination polymer generated by the Ba⋯N inter-actions (two on the endo side and one on the exo side of the crown ether) running parallel to the b axis, with an anti-parallel arrangement of ribbons in the unit cell.

Related literature

For further information on gold chemistry, see: Arvapally et al. (2007 ▶); Beavers et al. (2009 ▶); Chen et al. (2005 ▶); Coker (2003 ▶); Coker et al. (2004a ▶,b ▶, 2006 ▶); Mohamed et al. (2003 ▶); Olmstead et al. (2005 ▶); Pathaneni & Desiraju (1993 ▶); Schwerdtferger et al. (1990 ▶). For further information on barium macrocycles, see: Bordunov et al. (1996 ▶); Bradshaw & Izatt (1997 ▶); Felton et al. (2008 ▶); Henke & Atwood (1998 ▶); Masci & Thuery (2006 ▶); Metz et al. (1973 ▶). For a description of the Cambridge Structural Database, see: Allen (2002 ▶).

Experimental

Crystal data

[Au2Ba(NCS)4(C20H24O6)]

M = 1123.98

Monoclinic,

a = 17.5491 (8) Å

b = 12.6183 (4) Å

c = 15.6584 (6) Å

β = 110.598 (2)°

V = 3245.7 (2) Å3

Z = 4

Cu Kα radiation

μ = 28.76 mm−1

T = 150 K

0.14 × 0.08 × 0.01 mm

Data collection

Bruker SMART6000 CCD diffractometer

Absorption correction: multi-scan (SADABS; Sheldrick, 2003 ▶) T min = 0.118, T max = 0.752

14223 measured reflections

4110 independent reflections

2905 reflections with I > 2σ(I)

R int = 0.069

θmax = 56.9°

Refinement

R[F 2 > 2σ(F 2)] = 0.053

wR(F 2) = 0.128

S = 0.98

4110 reflections

358 parameters

H-atom parameters constrained

Δρmax = 1.66 e Å−3

Δρmin = −0.85 e Å−3

Data collection: SMART (Bruker, 2003 ▶); cell refinement: SAINT (Bruker, 2003 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536809045218/hb5102sup1.cif

Structure factors: contains datablocks I. DOI: 10.1107/S1600536809045218/hb5102Isup2.hkl

Additional supplementary materials: crystallographic information; 3D view; checkCIF report

[Au2Ba(NCS)4(C20H24O6)]	F(000) = 2088
Mr = 1123.98	Dx = 2.300 Mg m−3
Monoclinic, P21/c	Cu Kα radiation, λ = 1.54178 Å
Hall symbol: -P 2ybc	Cell parameters from 4482 reflections
a = 17.5491 (8) Å	θ = 4.4–56.9°
b = 12.6183 (4) Å	µ = 28.76 mm−1
c = 15.6584 (6) Å	T = 150 K
β = 110.598 (2)°	Plate, pale pink
V = 3245.7 (2) Å3	0.14 × 0.08 × 0.01 mm
Z = 4

Bruker SMART6000 CCD diffractometer	4110 independent reflections
Radiation source: fine-focus sealed tube	2905 reflections with I > 2σ(I)
graphite	Rint = 0.069
Detector resolution: 0.92 pixels mm-1	θmax = 56.9°, θmin = 2.7°
ω scans	h = −16→17
Absorption correction: multi-scan (SADABS; Sheldrick, 2003)	k = −11→13
Tmin = 0.118, Tmax = 0.752	l = −16→17
14223 measured reflections

Refinement on F2	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.053	Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.128	H-atom parameters constrained
S = 0.98	w = 1/[σ2(Fo2) + (0.0766P)2] where P = (Fo2 + 2Fc2)/3
4110 reflections	(Δ/σ)max < 0.001
358 parameters	Δρmax = 1.66 e Å−3
0 restraints	Δρmin = −0.85 e Å−3

Experimental. A suitable crystal was mounted in a Cryo-loop with paratone-N and immediately tranferred to the goniostat bathed in a cold stream.The final unit cell is obtained from the refinement of the XYZ weighted centroids of reflections above 20 σ(I). Note that the absorption correction parameters Tmin and Tmax also reflect beam corrections, etc. As a result, the numerical values for Tmin and Tmax may differ from expected values based solely absorption effects and crystal size.

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.The anisotropic displacement parameters for C7 and C20 were constrained to be equivalent to C6 and C5, respectively.

	x	y	z	Uiso*/Ueq
Au1	0.34634 (4)	0.40337 (5)	0.26591 (4)	0.0408 (2)
Au2	0.17476 (4)	0.43183 (5)	0.27917 (5)	0.0453 (3)
S1	0.4056 (2)	0.5186 (3)	0.3851 (2)	0.0433 (11)
S2	0.3048 (3)	0.2863 (3)	0.1460 (3)	0.0584 (13)
S3	0.1241 (3)	0.5265 (4)	0.1450 (3)	0.0635 (14)
S4	0.2067 (3)	0.3454 (3)	0.4158 (3)	0.0490 (11)
C1	0.3550 (10)	0.6284 (13)	0.3434 (10)	0.041 (4)
C2	0.2600 (10)	0.1899 (13)	0.1840 (11)	0.047 (4)
C3	0.1250 (9)	0.6475 (14)	0.1921 (11)	0.047 (4)
C4	0.2867 (11)	0.2679 (14)	0.4179 (11)	0.048 (5)
N1	0.3197 (8)	0.7081 (11)	0.3177 (9)	0.051 (4)
N2	0.2288 (8)	0.1179 (10)	0.2044 (9)	0.047 (4)
N3	0.1230 (9)	0.7317 (11)	0.2215 (10)	0.060 (4)
N4	0.3382 (9)	0.2131 (12)	0.4199 (10)	0.058 (4)
Ba	0.23237 (6)	0.89893 (6)	0.25677 (6)	0.0322 (3)
O5	0.1978 (8)	0.9218 (9)	0.0567 (7)	0.066 (4)
O7	0.3582 (6)	0.9286 (7)	0.1843 (6)	0.036 (2)
O9	0.3953 (7)	0.9610 (9)	0.3779 (7)	0.064 (3)
O15	0.2715 (8)	0.9925 (10)	0.4392 (8)	0.065 (3)
O17	0.1095 (6)	0.9937 (7)	0.3111 (6)	0.039 (3)
O19	0.0748 (7)	0.9545 (9)	0.1208 (7)	0.064 (3)
C5	0.1207 (10)	0.8637 (12)	0.0123 (9)	0.037 (3)
C6	0.2689 (9)	0.8954 (11)	0.0301 (9)	0.036 (3)
H6A	0.2800	0.8184	0.0371	0.043*
H6B	0.2573	0.9146	−0.0346	0.043*
C7	0.3402 (9)	0.9553 (11)	0.0894 (8)	0.036 (3)
H7B	0.3880	0.9389	0.0721	0.043*
H7A	0.3292	1.0322	0.0806	0.043*
C8	0.4339 (9)	0.9751 (12)	0.2431 (9)	0.041 (4)
H8A	0.4274	1.0527	0.2464	0.049*
H8B	0.4773	0.9614	0.2177	0.049*
C9	0.4576 (9)	0.9277 (12)	0.3375 (9)	0.040 (4)
H9A	0.4594	0.8495	0.3339	0.048*
H9B	0.5122	0.9532	0.3761	0.048*
C10	0.4040 (10)	0.9142 (11)	0.4657 (9)	0.038 (4)
C11	0.4680 (10)	0.8473 (11)	0.5139 (10)	0.040 (4)
H11	0.5101	0.8316	0.4908	0.048*
C12	0.4694 (11)	0.8042 (12)	0.5956 (10)	0.047 (4)
H12	0.5129	0.7589	0.6291	0.057*
C13	0.4087 (11)	0.8263 (12)	0.6286 (11)	0.044 (4)
H13	0.4112	0.7978	0.6857	0.053*
C14	0.3448 (10)	0.8886 (11)	0.5806 (10)	0.040 (4)
H14	0.3029	0.9013	0.6046	0.049*
C15	0.3385 (11)	0.9342 (11)	0.4980 (10)	0.037 (4)
C16	0.2001 (10)	1.0007 (13)	0.4669 (11)	0.050 (5)
H16B	0.2145	1.0419	0.5242	0.061*
H16A	0.1833	0.9289	0.4787	0.061*
C17	0.1299 (11)	1.0539 (13)	0.3941 (12)	0.056 (5)
H17A	0.0822	1.0578	0.4139	0.067*
H17B	0.1453	1.1270	0.3838	0.067*
C18	0.0412 (10)	1.0419 (12)	0.2411 (10)	0.048 (5)
H18B	0.0578	1.1098	0.2212	0.058*
H18A	−0.0032	1.0562	0.2647	0.058*
C19	0.0129 (9)	0.9649 (13)	0.1622 (10)	0.042 (4)
H19B	0.0023	0.8948	0.1843	0.050*
H19A	−0.0384	0.9906	0.1162	0.050*
C20	0.0582 (10)	0.8804 (11)	0.0468 (9)	0.037 (3)
C21	−0.0125 (10)	0.8211 (12)	0.0105 (10)	0.045 (4)
H21	−0.0565	0.8328	0.0313	0.054*
C22	−0.0195 (10)	0.7466 (12)	−0.0542 (11)	0.054 (5)
H22	−0.0671	0.7039	−0.0758	0.064*
C23	0.0427 (12)	0.7322 (13)	−0.0892 (11)	0.051 (5)
H23	0.0359	0.6824	−0.1368	0.061*
C24	0.1134 (10)	0.7894 (12)	−0.0554 (10)	0.040 (4)
H24	0.1565	0.7784	−0.0779	0.049*

	U11	U22	U33	U12	U13	U23
Au1	0.0510 (5)	0.0316 (4)	0.0483 (4)	0.0031 (3)	0.0280 (4)	0.0028 (3)
Au2	0.0490 (5)	0.0377 (4)	0.0535 (4)	0.0027 (4)	0.0235 (4)	0.0008 (3)
S1	0.044 (3)	0.043 (2)	0.042 (2)	0.010 (2)	0.015 (2)	−0.0041 (19)
S2	0.099 (4)	0.039 (2)	0.053 (2)	−0.007 (2)	0.046 (3)	−0.005 (2)
S3	0.079 (4)	0.069 (3)	0.049 (2)	0.022 (3)	0.030 (3)	0.008 (2)
S4	0.063 (3)	0.039 (2)	0.054 (2)	0.009 (2)	0.033 (2)	0.009 (2)
C1	0.037 (11)	0.042 (9)	0.048 (9)	−0.002 (9)	0.021 (9)	−0.004 (8)
C2	0.045 (12)	0.044 (10)	0.056 (10)	0.011 (9)	0.022 (10)	−0.010 (9)
C3	0.031 (11)	0.056 (11)	0.056 (10)	−0.002 (9)	0.018 (9)	0.034 (10)
C4	0.059 (14)	0.051 (11)	0.048 (10)	−0.022 (10)	0.035 (11)	−0.014 (9)
N1	0.040 (10)	0.050 (9)	0.059 (8)	0.000 (8)	0.012 (8)	−0.014 (7)
N2	0.060 (11)	0.028 (7)	0.053 (8)	−0.008 (7)	0.018 (8)	−0.006 (6)
N3	0.065 (11)	0.035 (8)	0.079 (10)	−0.007 (8)	0.024 (9)	0.017 (8)
N4	0.064 (12)	0.059 (10)	0.064 (9)	0.006 (9)	0.037 (9)	0.008 (8)
Ba	0.0354 (6)	0.0300 (5)	0.0345 (5)	0.0007 (4)	0.0166 (4)	0.0001 (4)
O5	0.074 (10)	0.077 (9)	0.045 (6)	−0.001 (7)	0.021 (7)	−0.001 (6)
O7	0.030 (6)	0.039 (6)	0.041 (5)	−0.004 (5)	0.013 (5)	−0.003 (5)
O9	0.073 (9)	0.063 (8)	0.064 (7)	−0.001 (7)	0.033 (7)	0.007 (6)
O15	0.057 (9)	0.081 (9)	0.065 (7)	0.004 (7)	0.031 (7)	−0.004 (7)
O17	0.050 (7)	0.032 (5)	0.046 (6)	0.006 (5)	0.029 (6)	−0.011 (5)
O19	0.069 (9)	0.073 (8)	0.060 (7)	0.000 (7)	0.035 (7)	−0.007 (7)
C5	0.039 (9)	0.042 (6)	0.028 (6)	0.009 (6)	0.010 (5)	0.011 (5)
C6	0.040 (8)	0.042 (6)	0.036 (6)	0.007 (5)	0.028 (5)	0.003 (5)
C7	0.040 (8)	0.042 (6)	0.036 (6)	0.007 (5)	0.028 (5)	0.003 (5)
C8	0.047 (12)	0.041 (9)	0.046 (9)	−0.018 (8)	0.030 (9)	−0.005 (8)
C9	0.023 (10)	0.053 (10)	0.047 (9)	−0.018 (8)	0.018 (8)	−0.012 (8)
C10	0.041 (11)	0.040 (9)	0.032 (8)	−0.009 (8)	0.011 (8)	−0.006 (8)
C11	0.039 (11)	0.028 (8)	0.048 (9)	−0.007 (8)	0.008 (9)	−0.008 (8)
C12	0.049 (12)	0.036 (9)	0.043 (9)	0.008 (8)	0.000 (9)	0.011 (8)
C13	0.044 (12)	0.042 (10)	0.043 (9)	−0.011 (9)	0.010 (10)	0.004 (8)
C14	0.044 (12)	0.038 (9)	0.044 (9)	−0.018 (9)	0.020 (9)	−0.014 (8)
C15	0.048 (12)	0.027 (8)	0.043 (9)	−0.010 (8)	0.025 (9)	−0.013 (7)
C16	0.063 (14)	0.047 (10)	0.058 (11)	−0.012 (10)	0.043 (11)	−0.033 (9)
C17	0.051 (13)	0.043 (10)	0.094 (14)	−0.001 (9)	0.050 (12)	−0.020 (10)
C18	0.055 (12)	0.033 (9)	0.053 (10)	0.029 (8)	0.014 (9)	0.010 (8)
C19	0.036 (11)	0.058 (10)	0.043 (9)	0.008 (8)	0.028 (9)	0.011 (8)
C20	0.039 (9)	0.042 (6)	0.028 (6)	0.009 (6)	0.010 (5)	0.011 (5)
C21	0.030 (11)	0.038 (9)	0.052 (9)	−0.003 (8)	−0.003 (9)	0.000 (8)
C22	0.023 (11)	0.036 (10)	0.075 (12)	−0.003 (8)	−0.016 (10)	0.000 (9)
C23	0.050 (13)	0.046 (10)	0.048 (10)	0.026 (10)	0.006 (10)	0.013 (9)
C24	0.028 (11)	0.045 (9)	0.046 (9)	0.009 (8)	0.010 (9)	−0.001 (8)

Au1—S2	2.297 (4)	C6—H6A	0.9900
Au1—S1	2.305 (4)	C6—H6B	0.9900
Au1—Au2	3.1109 (10)	C7—H7B	0.9900
Au2—S4	2.288 (4)	C7—H7A	0.9900
Au2—S3	2.305 (4)	C8—C9	1.510 (18)
S1—C1	1.651 (17)	C8—H8A	0.9900
S2—C2	1.668 (19)	C8—H8B	0.9900
S3—C3	1.69 (2)	C9—H9A	0.9900
S4—C4	1.70 (2)	C9—H9B	0.9900
C1—N1	1.176 (18)	C10—C11	1.39 (2)
C2—N2	1.162 (19)	C10—C15	1.43 (2)
C3—N3	1.16 (2)	C11—C12	1.38 (2)
C4—N4	1.131 (19)	C11—H11	0.9500
N2—Bai	2.877 (13)	C12—C13	1.37 (2)
Ba—N1	2.834 (14)	C12—H12	0.9500
Ba—N2ii	2.877 (13)	C13—C14	1.36 (2)
Ba—N3	2.774 (14)	C13—H13	0.9500
Ba—O7	2.840 (9)	C14—C15	1.38 (2)
Ba—O17	2.845 (9)	C14—H14	0.9500
Ba—O19	2.921 (12)	C16—C17	1.51 (2)
Ba—O9	2.927 (12)	C16—H16B	0.9900
Ba—O15	2.940 (11)	C16—H16A	0.9900
Ba—O5	2.988 (10)	C17—H17A	0.9900
O5—C5	1.479 (18)	C17—H17B	0.9900
O5—C6	1.486 (17)	C18—C19	1.51 (2)
O7—C7	1.446 (15)	C18—H18B	0.9900
O7—C8	1.447 (16)	C18—H18A	0.9900
O9—C10	1.454 (17)	C19—H19B	0.9900
O9—C9	1.504 (18)	C19—H19A	0.9900
O15—C15	1.418 (18)	C20—C21	1.39 (2)
O15—C16	1.467 (18)	C21—C22	1.35 (2)
O17—C17	1.438 (17)	C21—H21	0.9500
O17—C18	1.443 (16)	C22—C23	1.39 (2)
O19—C20	1.436 (18)	C22—H22	0.9500
O19—C19	1.453 (17)	C23—C24	1.37 (2)
C5—C24	1.388 (19)	C23—H23	0.9500
C5—C20	1.40 (2)	C24—H24	0.9500
C6—C7	1.477 (19)
S2—Au1—S1	172.10 (16)	O5—C6—H6B	110.0
S2—Au1—Au2	95.32 (13)	H6A—C6—H6B	108.4
S1—Au1—Au2	92.58 (10)	O7—C7—C6	111.0 (11)
S4—Au2—S3	171.03 (16)	O7—C7—H7B	109.4
S4—Au2—Au1	94.73 (11)	C6—C7—H7B	109.4
S3—Au2—Au1	94.10 (12)	O7—C7—H7A	109.4
C1—S1—Au1	100.5 (5)	C6—C7—H7A	109.4
C2—S2—Au1	103.4 (5)	H7B—C7—H7A	108.0
C3—S3—Au2	97.5 (5)	O7—C8—C9	109.7 (11)
C4—S4—Au2	102.8 (6)	O7—C8—H8A	109.7
N1—C1—S1	177.0 (14)	C9—C8—H8A	109.7
N2—C2—S2	174.5 (14)	O7—C8—H8B	109.7
N3—C3—S3	177.4 (16)	C9—C8—H8B	109.7
N4—C4—S4	177.4 (16)	H8A—C8—H8B	108.2
C1—N1—Ba	179.0 (13)	O9—C9—C8	108.1 (12)
C2—N2—Bai	149.7 (12)	O9—C9—H9A	110.1
C3—N3—Ba	131.2 (13)	C8—C9—H9A	110.1
N3—Ba—N1	71.0 (4)	O9—C9—H9B	110.1
N3—Ba—O7	127.0 (4)	C8—C9—H9B	110.1
N1—Ba—O7	80.9 (3)	H9A—C9—H9B	108.4
N3—Ba—O17	80.5 (4)	C11—C10—C15	120.6 (14)
N1—Ba—O17	129.3 (3)	C11—C10—O9	123.7 (14)
O7—Ba—O17	147.3 (3)	C15—C10—O9	115.6 (13)
N3—Ba—N2ii	136.9 (4)	C12—C11—C10	119.2 (15)
N1—Ba—N2ii	150.2 (4)	C12—C11—H11	120.4
O7—Ba—N2ii	72.6 (3)	C10—C11—H11	120.4
O17—Ba—N2ii	74.8 (3)	C13—C12—C11	120.5 (15)
N3—Ba—O19	68.0 (4)	C13—C12—H12	119.8
N1—Ba—O19	135.3 (3)	C11—C12—H12	119.8
O7—Ba—O19	110.3 (3)	C14—C13—C12	120.7 (15)
O17—Ba—O19	59.6 (3)	C14—C13—H13	119.6
N2ii—Ba—O19	69.0 (4)	C12—C13—H13	119.6
N3—Ba—O9	141.5 (4)	C13—C14—C15	122.4 (16)
N1—Ba—O9	73.8 (3)	C13—C14—H14	118.8
O7—Ba—O9	60.3 (3)	C15—C14—H14	118.8
O17—Ba—O9	111.3 (3)	C14—C15—O15	126.7 (15)
N2ii—Ba—O9	81.1 (3)	C14—C15—C10	116.6 (15)
O19—Ba—O9	150.1 (3)	O15—C15—C10	116.6 (13)
N3—Ba—O15	114.1 (4)	O15—C16—C17	111.3 (13)
N1—Ba—O15	95.8 (4)	O15—C16—H16B	109.4
O7—Ba—O15	112.7 (3)	C17—C16—H16B	109.4
O17—Ba—O15	58.9 (3)	O15—C16—H16A	109.4
N2ii—Ba—O15	82.3 (3)	C17—C16—H16A	109.4
O19—Ba—O15	116.7 (3)	H16B—C16—H16A	108.0
O9—Ba—O15	54.7 (3)	O17—C17—C16	108.9 (12)
N3—Ba—O5	89.6 (4)	O17—C17—H17A	109.9
N1—Ba—O5	108.7 (4)	C16—C17—H17A	109.9
O7—Ba—O5	57.9 (3)	O17—C17—H17B	109.9
O17—Ba—O5	112.1 (3)	C16—C17—H17B	109.9
N2ii—Ba—O5	68.4 (3)	H17A—C17—H17B	108.3
O19—Ba—O5	54.6 (3)	O17—C18—C19	107.2 (11)
O9—Ba—O5	116.4 (3)	O17—C18—H18B	110.3
O15—Ba—O5	150.7 (3)	C19—C18—H18B	110.3
C5—O5—C6	118.4 (11)	O17—C18—H18A	110.3
C5—O5—Ba	105.1 (8)	C19—C18—H18A	110.3
C6—O5—Ba	113.0 (8)	H18B—C18—H18A	108.5
C7—O7—C8	112.3 (10)	O19—C19—C18	109.9 (13)
C7—O7—Ba	121.4 (8)	O19—C19—H19B	109.7
C8—O7—Ba	117.9 (7)	C18—C19—H19B	109.7
C10—O9—C9	115.7 (12)	O19—C19—H19A	109.7
C10—O9—Ba	105.0 (8)	C18—C19—H19A	109.7
C9—O9—Ba	110.0 (8)	H19B—C19—H19A	108.2
C15—O15—C16	116.4 (12)	C21—C20—C5	118.0 (14)
C15—O15—Ba	106.3 (8)	C21—C20—O19	125.5 (14)
C16—O15—Ba	112.6 (8)	C5—C20—O19	116.4 (14)
C17—O17—C18	109.8 (11)	C22—C21—C20	120.9 (16)
C17—O17—Ba	121.3 (9)	C22—C21—H21	119.6
C18—O17—Ba	117.7 (8)	C20—C21—H21	119.6
C20—O19—C19	116.6 (12)	C21—C22—C23	120.4 (16)
C20—O19—Ba	107.6 (8)	C21—C22—H22	119.8
C19—O19—Ba	111.1 (8)	C23—C22—H22	119.8
C24—C5—C20	121.6 (15)	C24—C23—C22	120.5 (16)
C24—C5—O5	121.1 (14)	C24—C23—H23	119.7
C20—C5—O5	117.1 (13)	C22—C23—H23	119.7
C7—C6—O5	108.6 (11)	C23—C24—C5	118.5 (16)
C7—C6—H6A	110.0	C23—C24—H24	120.7
O5—C6—H6A	110.0	C5—C24—H24	120.7
C7—C6—H6B	110.0
S2—Au1—Au2—S4	110.83 (15)	C10—C11—C12—C13	0(2)
S1—Au1—Au2—S4	−69.26 (14)	C11—C12—C13—C14	2(2)
S2—Au1—Au2—S3	−70.74 (16)	C12—C13—C14—C15	−1(2)
S1—Au1—Au2—S3	109.17 (16)	C13—C14—C15—O15	174.1 (13)
S2—Au1—S1—C1	118.4 (11)	C13—C14—C15—C10	−1(2)
Au2—Au1—S1—C1	−60.9 (6)	C16—O15—C15—C14	−3(2)
S1—Au1—S2—C2	125.3 (11)	C16—O15—C15—C10	172.1 (12)
Au2—Au1—S2—C2	−55.4 (6)	C11—C10—C15—C14	3(2)
S4—Au2—S3—C3	64.5 (13)	O9—C10—C15—C14	178.7 (12)
Au1—Au2—S3—C3	−105.4 (6)	C11—C10—C15—O15	−172.5 (12)
S3—Au2—S4—C4	167.1 (11)	O9—C10—C15—O15	3.0 (18)
Au1—Au2—S4—C4	−23.0 (6)	C15—O15—C16—C17	−173.8 (12)
Au1—S1—C1—N1	154 (30)	C18—O17—C17—C16	178.7 (13)
Au1—S2—C2—N2	−168 (17)	O15—C16—C17—O17	58.9 (16)
Au2—S3—C3—N3	−148 (35)	C17—O17—C18—C19	−169.6 (12)
Au2—S4—C4—N4	−125 (37)	C20—O19—C19—C18	177.5 (11)
S1—C1—N1—Ba	−68 (93)	O17—C18—C19—O19	−67.0 (15)
S2—C2—N2—Bai	61 (18)	C24—C5—C20—C21	−1(2)
S3—C3—N3—Ba	−115 (35)	O5—C5—C20—C21	−175.5 (12)
C6—O5—C5—C24	−2.7 (18)	C24—C5—C20—O19	176.2 (12)
C6—O5—C5—C20	172.0 (12)	O5—C5—C20—O19	1.4 (18)
C5—O5—C6—C7	−174.4 (11)	C19—O19—C20—C21	2(2)
C8—O7—C7—C6	172.3 (11)	C19—O19—C20—C5	−174.6 (12)
O5—C6—C7—O7	59.6 (14)	C5—C20—C21—C22	2(2)
C7—O7—C8—C9	−169.0 (11)	O19—C20—C21—C22	−174.3 (13)
C10—O9—C9—C8	174.3 (11)	C20—C21—C22—C23	−4(2)
O7—C8—C9—O9	−66.0 (14)	C21—C22—C23—C24	3(2)
C9—O9—C10—C11	3.7 (19)	C22—C23—C24—C5	−2(2)
C9—O9—C10—C15	−171.6 (12)	C20—C5—C24—C23	1(2)
C15—C10—C11—C12	−3(2)	O5—C5—C24—C23	175.1 (12)
O9—C10—C11—C12	−178.0 (13)

Table 1

Selected bond lengths (Å)

Au1—S2	2.297 (4)
Au1—S1	2.305 (4)
Au2—S4	2.288 (4)
Au2—S3	2.305 (4)
Ba—N1	2.834 (14)
Ba—N2i	2.877 (13)
Ba—N3	2.774 (14)
Ba—O7	2.840 (9)
Ba—O17	2.845 (9)
Ba—O19	2.921 (12)
Ba—O9	2.927 (12)
Ba—O15	2.940 (11)
Ba—O5	2.988 (10)

Symmetry code: (i) .