At 08:10 am 22-02-05 -0800, Jones wrote:
> Anyway, on the bottom of the Chaplin page re: ice-9 is this
> amazing little tidbit:
>
> The hydrogen bonding is mostly proton-ordered as ice-three
> undergoes a proton disorder-order transition to ice-nine
> when rapidly cooled in liquid nitrogen (77 K, so avoiding
> ice-two formation, see Phase Diagram); ice-three and
> ice-nine having identical structures apart from the proton
> ordering.
For anyone, who like me, is a novice at all things nuclear...
[or should I say nuculer a la Dubya ;-) ]
and wants to know what "proton ordering" is, I have
found a nice diagrammatic explantion at,
http://tinyurl.com/4umoj
Cheers
Frank Grimer