(IUCr) Two-dimensional dysprosium(III) triiodate(V) dihydrate, Dy(IO3)3(H2O)·H2O

Volume 65
Part 8
Pages i61-i62
August 2009

Received 1 July 2009
Accepted 10 July 2009
Online 15 July 2009

Key indicators
Single-crystal X-ray study
T = 293 K
Mean (Dy-O) = 0.008 Å
R = 0.038
wR = 0.109
Data-to-parameter ratio = 16.0
Details

Two-dimensional dysprosium(III) triiodate(V) dihydrate, Dy(IO₃)₃(H₂O)·H₂O

Wenxiang Chai,^a ^* Li Song,^b Hongsheng Shi,^a Laishun Qin ^a and Kangying Shu ^a

^aCollege of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, People's Republic of China, and ^bDepartment of Chemistry, Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Education Ministry, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
Correspondence e-mail: wxchai_cm@yahoo.com.cn

During our research into novel nonlinear optical materials using 1,10-phenanthroline as an appending ligand on lanthanide iodates, crystals of an infinite layered Dy^III iodate compound, Dy(IO₃)₃(H₂O)·H₂O, were obtained under hydrothermal conditions. The Dy^III cation has a dicapped trigonal prismatic coordination environment consisting of one water O atom and seven other O atoms from seven iodate anions. These iodate anions bridge the Dy^III cations into a two-dimensional structure. Through O-HO hydrogen bonds, all of these layers stack along [111], giving a supramolecular channel, with the solvent water molecules filling the voids.

Related literature

For related materials with non-linear optical propertie, see: Rosenzweig & Morosin (1966); Liminga et al. (1977); Ok & Halasyamani (2005). The method of preparation was based on HIO₃, which is different to the previous method of obtaining periodates (Douglas et al., 2004; Assefa et al., 2006). For noncentrosymmetric inorganic-organic framework structures synthesized from organic ligands, see: Sun et al. (2009). For related structrues, see: Sun et al. (2009); Assefa et al. (2006); Douglas et al. (2004); Ok & Halasyamani (2005); Chen et al. (2005).

Experimental

Crystal data

Dy(IO₃)₃H₂O·H₂O
M_r = 723.23
Triclinic, $[P \overline 1]$
a = 7.15990 (10) Å
b = 7.4292 (1) Å
c = 10.64430 (10) Å
= 95.161 (12)°
= 104.858 (7)°
= 110.081 (8)°
V = 504.00 (5) Å³
Z = 2
Mo K radiation
= 16.65 mm^-1
T = 293 K
0.16 × 0.12 × 0.06 mm

Data collection

Rigaku R-AXIS RAPID diffractometer
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) T_min = 0.136, T_max = 0.435 (expected range = 0.115-0.368)
3819 measured reflections
2260 independent reflections
2067 reflections with I > 2(I)
R_int = 0.027

Refinement

R[F² > 2(F²)] = 0.038
wR(F²) = 0.109
S = 1.06
2260 reflections
141 parameters
2 restraints
H atoms treated by a mixture of independent and constrained refinement
_max = 2.79 e Å^-3
_min = -3.20 e Å^-3

Table 1
Hydrogen-bond geometry (Å, °)

D-HA	D-H	HA	DA	D-HA
O10-H10AO3ⁱ	0.80	2.29	2.873 (10)	131
O10-H10BO9ⁱ	0.80	2.33	2.753 (11)	114
O11-H11AO8ⁱⁱ	0.80	2.22	2.954 (11)	153
O11-H11BO7ⁱⁱⁱ	0.80	2.26	2.946 (11)	145
Symmetry codes: (i) x, y-1, z; (ii) x, y-1, z+1; (iii) -x, -y-1, -z.

Data collection: PROCESS-AUTO (Rigaku, 1998); cell refinement: PROCESS-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009; van der Sluis & Spek, 1990); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BR2111 ).

Acknowledgements

The authors are grateful for financial support from the National Natural Science Foundation of China (project Nos. 50702054 and 20803070) and the Analysis and Testing Foundation of Zhejiang Province (project Nos. 2008F70034 and 2008F70053).

References

Assefa, Z., Ling, J., Haire, R. G., Albrecht-Schmitt, T. E. & Sykora, R. E. (2006). J. Solid State Chem. 179, 3653-3663.
Chen, X. A., Xue, H. P., Chang, X. N., Zang, H. G. & Xiao, W. Q. (2005). J. Alloys Compd. 398, 173-177.
Douglas, P., Hector, A. L., Levason, W., Light, M. E., Matthews, M. L. & Webster, M. (2004). Z. Anorg. Allg. Chem. 630, 479-483.
Higashi, T. (1995). ABSCOR. Rigaku Corporation, Tokyo, Japan.
Liminga, R., Abrahams, S. C. & Bernstein, J. L. (1977). J. Chem. Phys. 67, 1015-1023.
Ok, K. M. & Halasyamani, P. S. (2005). Inorg. Chem. 44, 9353-9359.
Rigaku (1998). PROCESS-AUTO. Rigaku Corporation, Tokyo, Japan.
Rigaku/MSC (2004). CrystalStructure. Rigaku/MSC, The Woodlands, Texas, USA.
Rosenzweig, A. & Morosin, B. (1966). Acta Cryst. 20, 758-761.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Sluis, P. van der & Spek, A. L. (1990). Acta Cryst. A46, 194-201.
Spek, A. L. (2009). Acta Cryst. D65, 148-155.
Sun, Y.-G., Guo, M., Xiong, G., Jiang, B. & Wang, L. (2009). Acta Cryst. E65, i48.

inorganic compounds

Two-dimensional dysprosium(III) triiodate(V) dihydrate, Dy(IO3)3(H2O)·H2O