Creestal structur

In crystallographie, crystal structur is a description o the ordered arrangement o atoms, ions or molecules in a crystalline material.^[3]

The (3-D) crystal structur o H₂O ice Ih (c) consists o bases o H₂O ice molecules (b) locatit on lattice pynts within the (2-D) hexagonal space lattice (a). The valyies for the H–O–H angle an O–H distance hae come frae Physics of Ice^[1] wi uncertainties o ±1.5° an ±0.005 Å, respectively. The white box in (c) is the unit cell defined bi Bernal an Fowler^[2]

References

1. Petrenko, V. F.; Whitworth, R. W. (1999). Physics of Ice. Oxford University Press. ISBN 9780198518945.
2. Bernal, J. D.; Fowler, R. H. (1933). "A Theory of Water and Ionic Solution, with Particular Reference tae Hydrogen and Hydroxyl Ions". The Journal of Chemical Physics. 1 (8): 515. Bibcode:1933JChPh...1..515B. doi:10.1063/1.1749327.
3. Hook, J.R.; Hall, H.E. (2010). Solid State Physics. Manchester Physics Series (2nd ed.). John Wiley & Sons. ISBN 9780471928041.