Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
crystalline ice phase
|
| gptkbp:chemicalFormula |
gptkb:H2O
|
| gptkbp:crystalSystem |
tetragonal
|
| gptkbp:density |
1.29 g/cm³
|
| gptkbp:discoveredBy |
gptkb:C._G._Salzmann
|
| gptkbp:discoveredIn |
1935
|
| gptkbp:formedBy |
heating high-density amorphous ice under pressure
|
| gptkbp:formsAtPressure |
0.28 GPa
|
| gptkbp:formsAtTemperature |
165 K
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ice IV
|
| gptkbp:isMetastable |
true
|
| gptkbp:isNotFoundNaturallyOnEarth |
true
|
| gptkbp:numberOfWaterMoleculesPerUnitCell |
16
|
| gptkbp:relatedTo |
gptkb:Ice_V
gptkb:Ice_VI gptkb:Ice_XII |
| gptkbp:spaceGroup |
I41/amd
|
| gptkbp:bfsParent |
gptkb:Ice
|
| gptkbp:bfsLayer |
5
|