ice Ih (hydrogen-disordered)

URI: https://gptkb.org/entity/ice_Ih_(hydrogen-disordered)
GPTKB entity
Statements (50)
Predicate Object
gptkbp:instanceOf crystalline ice phase
gptkbp:alsoKnownAs hexagonal ice
gptkbp:crystalSystem hexagonal
gptkbp:density 0.917 g/cm³
gptkbp:discoveredBy gptkb:Gustav_Tammann
gptkbp:discoveredIn 1900
gptkbp:formsAtPressure below 0.2 GPa
gptkbp:formsAtTemperature below 273 K
gptkbp:foundIn sea ice
glaciers
hail
snow
icebergs
gptkbp:hasMolecularFormula gptkb:H2O
https://www.w3.org/2000/01/rdf-schema#label ice Ih (hydrogen-disordered)
gptkbp:hydrogenBonding disordered
gptkbp:hydrogenOrder disordered
gptkbp:isotopeEffect D2O forms similar structure
gptkbp:latticeConstantA 4.52 Å
gptkbp:latticeConstantC 7.36 Å
gptkbp:meltingPoint 0 °C
gptkbp:mostCommonIceOnEarth true
gptkbp:naturalOccurrence gptkb:Earth
gptkb:Enceladus
gptkb:Mars
gptkb:Europa
gptkbp:numberOfMoleculesPerUnitCell 4
gptkbp:oxygenLattice hexagonal
gptkbp:protonDisorder true
gptkbp:refractiveIndex 1.31
gptkbp:relatedTo ice II
ice III
ice IX
ice Ic
ice V
ice VI
ice VII
ice VIII
ice X
ice XI
ice XII
ice XIII
ice XIV
ice XV
ice XVI
gptkbp:spaceGroup P6_3/mmc
gptkbp:thermalConductivity 2.22 W/(m·K) at 0°C
gptkbp:transformsInto ice XI (hydrogen-ordered)
gptkbp:bfsParent gptkb:Ice_XI
gptkbp:bfsLayer 6