引っ越しました。

2019年9月よりhttps://vitroid.github.ioに移転しました。
ここにあるコンテンツも今後は引っ越し先で更新していきます。


[water]
[research]
Ice "0"[1] is a metastable ice polymorph discovered in the supercooled liquid water by computer simulations.[1] According to our Vitrite Database,[2] ice 0 consists of two type of fragments; one is #34 fragment of 10 nodes (appeared as fragment "G" in Ref. 2) and the other is #874 fragment of 14 nodes. Their appearance ratio is 1:1. Their network topologies are: (in @NGPH format)

#34

@NGPH
10
9 8
9 6
6 5
6 0
3 2
3 4
0 1
1 2
8 4
8 7
7 2
4 5
-1 -1
#874
@NGPH
14
7 13
5 12
11 10
11 12
3 11
3 4
3 2
6 0
6 5
8 9
8 7
10 9
1 9
1 2
0 7
0 1
4 5
13 12
-1 -1

The vitrite #34 is abundant in the supercooled liquid water while the vitrite #874 is very rare. Even the spontaneous clustering of #34 and #874 is not observed in the supercooled liquid.

Reference

  1. Russo, J., Romano, F. & Tanaka, H. New metastable form of ice and its role in the homogeneous crystallization of water. Nat Mater (2014). DOI:10.1038/NMAT3977
  2. M. Matsumoto, A. Baba, and I. Ohmine, J. Chem. Phys. 127, 134504 (2007). DOI:10.1063/1.2772627
  • [1]Tentative name; final phase name should be given when it is discovered experimentally.

(2014-12-9)

[2004年10月26日]

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岡山大学

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