trans-Bis(acetonitrile-κN)tetra­aqua­cobalt(II) tetra­chloridocobaltate(II)

Patroniak, V.; Kubicki, M.

doi:10.1107/S1600536809000750

metal-organic compounds

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ISSN: 2056-9890

Volume 65| Part 2| February 2009| Pages m173-m174

doi:10.1107/S1600536809000750

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trans-Bis(acetonitrile-κN)tetraaquacobalt(II) tetrachloridocobaltate(II)

Violetta Patroniak ^a and Maciej Kubicki ^a ^*

^aDepartment of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland
^*Correspondence e-mail: mkubicki@amu.edu.pl

(Received 10 December 2008; accepted 7 January 2009; online 10 January 2009)

In the title complex, [Co(CH₃CN)₂(H₂O)₄][CoCl₄], the Co^II ions are octahedrally coordinated in the cation, with trans-disposed acetonitrile ligands, and tetrahedrally coordinated in the anion. An extensive network of O—H(water)⋯Cl hydrogen bonds between cations and anions connects the ions into a three-dimensional network. The Co—Cl distances correlate with the number of hydrogen bonds accepted by the Cl atoms.

Related literature

For background to our studies on new helical metal complexes, see: Stefankiewicz et al. (2008 ). There are only few examples of other bis(acetonitrile)tetraaqua complexes, these are mainly cobalt complexes: bis(4,7-phenantroline) diperchlorate (Beauchamp & Loeb, 2002 ), dinitrate (Kopylovich et al., 2001 ; Barnett et al., 2002 ), dichloride monohydrate (Malkov et al., 2003 ) and dibromide (Depree et al., 2000 ), and one nickel complex, dibromide, has been reported (Assoumatine & Stoeckli-Evans, 2001 ). All these compounds have 1:2 composition. For a description of the Cambridge Structural Database, see: Allen (2002 ).

Experimental

Crystal data

[Co(C₂H₃N)₂(H₂O)₄][CoCl₄]
M_r = 413.83
Orthorhombic, P 2₁ 2₁ 2₁
a = 7.0569 (4) Å
b = 12.3209 (8) Å
c = 17.9698 (12) Å
V = 1562.43 (17) Å³
Z = 4
Mo Kα radiation
μ = 2.81 mm⁻¹
T = 170 (2) K
0.2 × 0.2 × 0.2 mm

Data collection

Kuma KM-4-CCD diffractometer
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2007 $[Oxford Diffraction (2007). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, England.]$ ) T_min = 0.52, T_max = 0.57
6778 measured reflections
2619 independent reflections
2386 reflections with I > 2σ(I)
R_int = 0.027

Refinement

R[F² > 2σ(F²)] = 0.064
wR(F²) = 0.164
S = 1.03
2619 reflections
145 parameters
H-atom parameters constrained
Δρ_max = 3.41 e Å⁻³
Δρ_min = −0.58 e Å⁻³
Absolute structure: Flack (1983 ), 1006 Friedel pairs
Flack parameter: 0.28 (4)

Table 1
Selected bond lengths (Å)

Co1—O1W	2.085 (5)
Co1—O2W	2.076 (5)
Co1—O3W	2.067 (5)
Co1—O4W	2.088 (5)
Co1—N11	2.093 (6)
Co1—N21	2.106 (6)
Co2—Cl1	2.260 (2)
Co2—Cl2	2.2760 (19)
Co2—Cl3	2.2787 (19)
Co2—Cl4	2.3185 (18)

Table 2
Hydrogen-bond geometry (Å, °)

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1WA⋯Cl2ⁱ	0.90	2.34	3.185 (6)	155
O1W—H1WB⋯Cl3	0.90	2.40	3.250 (6)	157
O2W—H2WA⋯Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159
O2W—H2WA⋯Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159
O3W—H3WA⋯Cl3ⁱ	0.90	2.34	3.163 (6)	152
O3W—H3WB⋯Cl1ⁱⁱⁱ	0.90	2.30	3.191 (6)	169
O4W—H4WA⋯Cl4^iv	0.90	2.35	3.201 (5)	158
O4W—H4WB⋯Cl2^v	0.90	2.36	3.199 (6)	155
Symmetry codes: (i) x+1, y, z; (ii) $[-x+1, y-{\script{1\over 2}}, -z+{\script{1\over 2}}]$ ; (iii) $[-x+1, y+{\script{1\over 2}}, -z+{\script{1\over 2}}]$ ; (iv) $[-x+{\script{3\over 2}}, -y+1, z-{\script{1\over 2}}]$ ; (v) $[-x+{\script{1\over 2}}, -y+1, z-{\script{1\over 2}}]$ .

Data collection: CrysAlis CCD (Oxford Diffraction, 2007 $[Oxford Diffraction (2007). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, England.]$ ); cell refinement: CrysAlis RED (Oxford Diffraction, 2007 $[Oxford Diffraction (2007). CrysAlis CCD and CrysAlis RED. Oxford Diffraction Ltd, Abingdon, England.]$ ); data reduction: CrysAlis RED; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Stereochemical Workstation Operation Manual (Siemens, 1989 ) and Mercury (Macrae et al., 2008 ); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536809000750/kp2200sup1.cif

Structure factors: contains datablock I. DOI: 10.1107/S1600536809000750/kp2200Isup2.hkl

checkCIF report

Comment top

In the course of our studies on new helical metal complexes (e.g. Stefankiewicz et al., 2008), we have prepared by chance the new trans-bis(acetonitrile-N)tetraaquacobalt(II) salt, with CoCl₄ as the dianion. Surprisingly, there are only few examples of other salts of this dication, and in all six structures deposited in the CSDC (Ver. 5.29, Nov. 2007, Allen, 2002) the stoichiometry is 1:2, i.e. there are only monoanions.

In the cation the cobalt(ii) is octahedrally coordinated, with almost ideal geometry: the Co—N(O) distances are in the range 2.067 (5)–2.106 (5) Å, and the angles within the octahedron do not deviate more than 3° from the ideal values of 90° and 180°. The anion, as usual for CoCl₄, forms a tetrahedron which geometry also deviates only slightly from the ideal values (see Fig. 1).

Both cations and anions are connected by the three dimensional network of O—H(water)···Cl hydrogen bonds. Interestingly, there is a correlation between the number of hydrogen bonds accepted by the Cl atom and the lengths of the Co—Cl bond: shorter the bond, less hydrogen bonds it accepts. The hydrogen bond network is built predominantly from the different rings, with 4 donors (4 different hydrogen atoms) and 2, 3, or 4 different chlorine atoms. The most important motifs found - not taking into account simple non-cyclic dimers of the form O—H···Cl - can be described with graph set symbols as R⁴₂(10), R⁴₃(10) and R⁴₄(14).

Related literature top

For background to our studies on new helical metal complexes, see: Stefankiewicz et al. (2008). There are only few examples of other bis(acetonitrile)tetraaqua complexes, these are mainly cobalt complexes: bis(4,7-phenantroline) diperchlorate (Beauchamp & Loeb, 2002), dinitrate (Kopylovich et al., 2001; Barnett et al., 2002), dichloride monohydrate (Malkov et al., 2003) and dibromide (Depree et al., 2000), and one nickel complex, dibromide, has been reported (Assoumatine & Stoeckli-Evans, 2001). All these compounds have 1:2 stoichiometry. For a description of the Cambridge Structural Database, see: Allen (2002).

Experimental top

The complex was prepared as described previously (Stefankiewicz et al., 2008). The main product of this reaction was complex [Co(C₂₂H₁₈N₄)(H₂O)Cl](BF₄).

Computing details top

Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell refinement: CrysAlis RED (Oxford Diffraction, 2007); data reduction: CrysAlis RED (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Stereochemical Workstation Operation Manual (Siemens, 1989) and Mercury (Macrae et al., 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top

	Fig. 1. Anisotropic ellipsoid representation of compound I with atom labelling scheme (Siemens, 1989). The ellipsoids are drawn at the 50% probability level, hydrogen atoms are depicted as spheres of arbitrary radii. Hydrogen bonds are drawn as dashed lines.
	Fig. 2. The crystal packing as seen approximately along a direction (Macrae et al., 2008). Hydrogen bonds are depicted as dashed lines.

trans-Bis(acetonitrile-κN)tetraaquacobalt(II) tetrachloridocobaltate(II) top

Crystal data top

[Co(C₂H₃N)₂(H₂O)₄][CoCl₄]	F(000) = 824
M_r = 413.83	D_x = 1.759 Mg m⁻³
Orthorhombic, P2₁2₁2₁	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2ac 2ab	Cell parameters from 5736 reflections
a = 7.0569 (4) Å	θ = 4–22°
b = 12.3209 (8) Å	µ = 2.81 mm⁻¹
c = 17.9698 (12) Å	T = 170 K
V = 1562.43 (17) Å³	Prism, blue
Z = 4	0.2 × 0.2 × 0.2 mm

Data collection top

Kuma KM-4-CCD diffractometer	2619 independent reflections
Radiation source: fine-focus sealed tube	2386 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.027
ω scans	θ_max = 25.0°, θ_min = 2.0°
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2007)	h = −8→8
T_min = 0.52, T_max = 0.57	k = −14→14
6778 measured reflections	l = −19→21

Refinement top

Refinement on F²	Secondary atom site location: difference Fourier map
Least-squares matrix: full	Hydrogen site location: inferred from neighbouring sites
R[F² > 2σ(F²)] = 0.064	H-atom parameters constrained
wR(F²) = 0.164	w = 1/[σ²(F_o²) + (0.131P)² + 0.4597P] where P = (F_o² + 2F_c²)/3
S = 1.03	(Δ/σ)_max < 0.001
2619 reflections	Δρ_max = 3.41 e Å⁻³
145 parameters	Δρ_min = −0.58 e Å⁻³
0 restraints	Absolute structure: Flack (1983), 1006 Friedel pairs
Primary atom site location: structure-invariant direct methods	Absolute structure parameter: 0.28 (4)

Crystal data top

[Co(C₂H₃N)₂(H₂O)₄][CoCl₄]	V = 1562.43 (17) Å³
M_r = 413.83	Z = 4
Orthorhombic, P2₁2₁2₁	Mo Kα radiation
a = 7.0569 (4) Å	µ = 2.81 mm⁻¹
b = 12.3209 (8) Å	T = 170 K
c = 17.9698 (12) Å	0.2 × 0.2 × 0.2 mm

Data collection top

Kuma KM-4-CCD diffractometer	2619 independent reflections
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2007)	2386 reflections with I > 2σ(I)
T_min = 0.52, T_max = 0.57	R_int = 0.027
6778 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.064	H-atom parameters constrained
wR(F²) = 0.164	Δρ_max = 3.41 e Å⁻³
S = 1.03	Δρ_min = −0.58 e Å⁻³
2619 reflections	Absolute structure: Flack (1983), 1006 Friedel pairs
145 parameters	Absolute structure parameter: 0.28 (4)
0 restraints

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

	x	y	z	U_iso*/U_eq
Co1	0.75813 (15)	0.49124 (7)	0.11221 (5)	0.0234 (3)
O1W	0.6109 (8)	0.4648 (5)	0.2112 (3)	0.0336 (13)
H1WA	0.6469	0.4571	0.2590	0.044*
H1WB	0.4977	0.4985	0.2113	0.044*
O2W	0.6278 (8)	0.3582 (4)	0.0632 (3)	0.0369 (14)
H2WA	0.6344	0.2855	0.0584	0.048*
H2WB	0.5070	0.3775	0.0540	0.048*
O3W	0.8873 (8)	0.6277 (4)	0.1558 (3)	0.0363 (14)
H3WA	1.0017	0.6448	0.1747	0.047*
H3WB	0.8287	0.6903	0.1440	0.047*
O4W	0.8975 (7)	0.5205 (4)	0.0117 (3)	0.0336 (13)
H4WA	0.9898	0.4702	0.0091	0.044*
H4WB	0.8595	0.5339	−0.0353	0.044*
N11	0.9845 (8)	0.3935 (5)	0.1465 (3)	0.0262 (13)
C12	1.1077 (12)	0.3375 (6)	0.1583 (4)	0.0299 (18)
C13	1.2670 (12)	0.2646 (6)	0.1711 (5)	0.0353 (18)
H13A	1.3462	0.2612	0.1263	0.046*
H13B	1.2192	0.1918	0.1828	0.046*
H13C	1.3428	0.2916	0.2130	0.046*
N21	0.5299 (9)	0.5881 (5)	0.0764 (4)	0.0274 (14)
C22	0.4087 (10)	0.6463 (6)	0.0660 (4)	0.0229 (15)
C23	0.2587 (12)	0.7229 (6)	0.0533 (5)	0.0389 (19)
H23A	0.2599	0.7775	0.0930	0.051*
H23B	0.1367	0.6848	0.0536	0.051*
H23C	0.2767	0.7587	0.0051	0.051*
Co2	0.16403 (13)	0.51515 (7)	0.35869 (5)	0.0222 (3)
Cl1	0.3220 (3)	0.35571 (15)	0.36207 (13)	0.0393 (5)
Cl2	−0.1531 (2)	0.48179 (16)	0.36180 (10)	0.0339 (5)
Cl3	0.2520 (3)	0.61534 (15)	0.25785 (10)	0.0327 (5)
Cl4	0.2382 (3)	0.61707 (13)	0.46316 (9)	0.0278 (4)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Co1	0.0234 (5)	0.0248 (5)	0.0218 (5)	0.0022 (4)	−0.0002 (4)	−0.0008 (4)
O1W	0.030 (3)	0.050 (3)	0.021 (3)	0.003 (3)	0.008 (2)	0.006 (3)
O2W	0.034 (3)	0.031 (3)	0.046 (4)	0.001 (2)	−0.012 (3)	−0.004 (3)
O3W	0.036 (3)	0.029 (3)	0.043 (3)	0.002 (2)	−0.010 (3)	−0.008 (3)
O4W	0.028 (2)	0.044 (3)	0.029 (3)	0.005 (3)	0.000 (2)	0.007 (3)
N11	0.024 (3)	0.027 (3)	0.028 (3)	0.006 (3)	0.003 (3)	0.001 (3)
C12	0.034 (4)	0.031 (4)	0.025 (4)	−0.007 (4)	0.003 (3)	0.007 (3)
C13	0.032 (4)	0.039 (4)	0.035 (4)	0.006 (4)	−0.003 (4)	0.007 (3)
N21	0.029 (3)	0.022 (3)	0.031 (3)	−0.003 (3)	−0.001 (3)	−0.004 (3)
C22	0.019 (3)	0.023 (4)	0.026 (4)	−0.001 (3)	0.002 (3)	0.003 (3)
C23	0.028 (4)	0.034 (4)	0.055 (5)	0.008 (4)	0.011 (4)	0.011 (4)
Co2	0.0225 (5)	0.0211 (5)	0.0231 (5)	0.0001 (4)	−0.0011 (4)	0.0016 (4)
Cl1	0.0425 (11)	0.0256 (9)	0.0497 (12)	0.0065 (8)	−0.0087 (11)	−0.0011 (9)
Cl2	0.0243 (8)	0.0487 (11)	0.0288 (9)	−0.0083 (8)	−0.0021 (8)	0.0050 (9)
Cl3	0.0302 (9)	0.0409 (10)	0.0269 (9)	−0.0002 (10)	0.0028 (8)	0.0094 (8)
Cl4	0.0293 (9)	0.0270 (8)	0.0272 (9)	−0.0022 (8)	0.0009 (8)	−0.0032 (7)

Geometric parameters (Å, º) top

Co1—O1W	2.085 (5)	N11—C12	1.130 (10)
Co1—O2W	2.076 (5)	C12—C13	1.458 (11)
Co1—O3W	2.067 (5)	C13—H13A	0.9807
Co1—O4W	2.088 (5)	C13—H13B	0.9805
Co1—N11	2.093 (6)	C13—H13C	0.9806
Co1—N21	2.106 (6)	N21—C22	1.132 (9)
O1W—H1WA	0.9007	C22—C23	1.436 (10)
O1W—H1WB	0.9005	C23—H23A	0.9805
O2W—H2WA	0.9005	C23—H23B	0.9805
O2W—H2WB	0.9005	C23—H23C	0.9807
O3W—H3WA	0.9005	Co2—Cl1	2.260 (2)
O3W—H3WB	0.9009	Co2—Cl2	2.2760 (19)
O4W—H4WA	0.9007	Co2—Cl3	2.2787 (19)
O4W—H4WB	0.9008	Co2—Cl4	2.3185 (18)

O3W—Co1—O2W	177.1 (2)	Co1—O4W—H4WB	134.6
O3W—Co1—O1W	91.3 (2)	H4WA—O4W—H4WB	107.1
O2W—Co1—O1W	91.0 (2)	C12—N11—Co1	173.6 (6)
O3W—Co1—O4W	88.8 (2)	N11—C12—C13	178.2 (8)
O2W—Co1—O4W	88.7 (2)	C12—C13—H13A	109.6
O1W—Co1—O4W	178.1 (2)	C12—C13—H13B	109.3
O3W—Co1—N11	91.1 (2)	H13A—C13—H13B	109.5
O2W—Co1—N11	90.5 (2)	C12—C13—H13C	109.4
O1W—Co1—N11	92.2 (2)	H13A—C13—H13C	109.5
O4W—Co1—N11	89.7 (2)	H13B—C13—H13C	109.5
O3W—Co1—N21	89.6 (2)	C22—N21—Co1	171.1 (6)
O2W—Co1—N21	88.8 (2)	N21—C22—C23	178.2 (8)
O1W—Co1—N21	88.2 (2)	C22—C23—H23A	109.2
O4W—Co1—N21	89.9 (2)	C22—C23—H23B	109.3
N11—Co1—N21	179.2 (2)	H23A—C23—H23B	109.5
Co1—O1W—H1WA	133.6	C22—C23—H23C	109.8
Co1—O1W—H1WB	111.9	H23A—C23—H23C	109.5
H1WA—O1W—H1WB	107.2	H23B—C23—H23C	109.5
Co1—O2W—H2WA	143.4	Cl1—Co2—Cl2	109.11 (9)
Co1—O2W—H2WB	106.7	Cl1—Co2—Cl3	110.97 (9)
H2WA—O2W—H2WB	107.1	Cl2—Co2—Cl3	112.66 (8)
Co1—O3W—H3WA	136.8	Cl1—Co2—Cl4	109.74 (8)
Co1—O3W—H3WB	113.9	Cl2—Co2—Cl4	107.45 (8)
H3WA—O3W—H3WB	107.4	Cl3—Co2—Cl4	106.80 (7)
Co1—O4W—H4WA	105.4

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
O1W—H1WA···Cl2ⁱ	0.90	2.34	3.185 (6)	155
O1W—H1WB···Cl3	0.90	2.40	3.250 (6)	157
O2W—H2WA···Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159
O2W—H2WA···Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159
O3W—H3WA···Cl3ⁱ	0.90	2.34	3.163 (6)	152
O3W—H3WB···Cl1ⁱⁱⁱ	0.90	2.30	3.191 (6)	169
O4W—H4WA···Cl4^iv	0.90	2.35	3.201 (5)	158
O4W—H4WB···Cl2^v	0.90	2.36	3.199 (6)	155

Symmetry codes: (i) x+1, y, z; (ii) −x+1, y−1/2, −z+1/2; (iii) −x+1, y+1/2, −z+1/2; (iv) −x+3/2, −y+1, z−1/2; (v) −x+1/2, −y+1, z−1/2.

Experimental details

Crystal data
Chemical formula	[Co(C₂H₃N)₂(H₂O)₄][CoCl₄]
M_r	413.83
Crystal system, space group	Orthorhombic, P2₁2₁2₁
Temperature (K)	170
a, b, c (Å)	7.0569 (4), 12.3209 (8), 17.9698 (12)
V (Å³)	1562.43 (17)
Z	4
Radiation type	Mo Kα
µ (mm⁻¹)	2.81
Crystal size (mm)	0.2 × 0.2 × 0.2

Data collection
Diffractometer	Kuma KM-4-CCD diffractometer
Absorption correction	Multi-scan (CrysAlis RED; Oxford Diffraction, 2007)
T_min, T_max	0.52, 0.57
No. of measured, independent and observed [I > 2σ(I)] reflections	6778, 2619, 2386
R_int	0.027
(sin θ/λ)_max (Å⁻¹)	0.594

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.064, 0.164, 1.03
No. of reflections	2619
No. of parameters	145
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	3.41, −0.58
Absolute structure	Flack (1983), 1006 Friedel pairs
Absolute structure parameter	0.28 (4)

Computer programs: CrysAlis CCD (Oxford Diffraction, 2007), CrysAlis RED (Oxford Diffraction, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), Stereochemical Workstation Operation Manual (Siemens, 1989) and Mercury (Macrae et al., 2008).

Selected bond lengths (Å) top

Co1—O1W	2.085 (5)	Co1—N21	2.106 (6)
Co1—O2W	2.076 (5)	Co2—Cl1	2.260 (2)
Co1—O3W	2.067 (5)	Co2—Cl2	2.2760 (19)
Co1—O4W	2.088 (5)	Co2—Cl3	2.2787 (19)
Co1—N11	2.093 (6)	Co2—Cl4	2.3185 (18)

Hydrogen-bond geometry (Å, º) top

D—H···A	D—H	H···A	D···A	D—H···A
O1W—H1WA···Cl2ⁱ	0.90	2.34	3.185 (6)	155.2
O1W—H1WB···Cl3	0.90	2.40	3.250 (6)	156.6
O2W—H2WA···Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159.3
O2W—H2WA···Cl4ⁱⁱ	0.90	2.29	3.153 (5)	159.3
O3W—H3WA···Cl3ⁱ	0.90	2.34	3.163 (6)	151.7
O3W—H3WB···Cl1ⁱⁱⁱ	0.90	2.30	3.191 (6)	169.1
O4W—H4WA···Cl4^iv	0.90	2.35	3.201 (5)	157.5
O4W—H4WB···Cl2^v	0.90	2.36	3.199 (6)	154.5

Symmetry codes: (i) x+1, y, z; (ii) −x+1, y−1/2, −z+1/2; (iii) −x+1, y+1/2, −z+1/2; (iv) −x+3/2, −y+1, z−1/2; (v) −x+1/2, −y+1, z−1/2.

Acknowledgements

This research was carried out as part of a Polish Ministry of Higher Education and Science project (grant No. NN 204 2716 33).

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