metastable solid Ethane | SSHADE

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Solid phase

Official name: metastable solid Ethane

Name and identifiers

Secondary names: metastable solid C2H6

Family: molecular solid
Class: non polar molecular solid
Compound type: organic molecular solid
Comments: there are 3 other crystalline solid phases of Ethane: solid Ethane III, II and I

Chemical composition

Formula: $C_2H_6$
Chemical formula: C2H6
Elemental formula: C2 H6
Isotope mixture type: terrestrial abundance

2.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$C_2H_6$	Ethane	molecule	1	1.0	1.0	pure	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$R-CH_3$	2

Chemical bonds

	Bond	Number
	$\geq C-H$	6
	$\geq C-C \leq$	1

Class: molecular solids with apolar molecules (01)
Type: with polyatomic organic apolar molecules (CnHm...) (01.06)

Associated phases

Equivalent liquid: liquid Ethane

Crystallography

Phase name: metastable solid Ethane
Phase type: crystalline
Crystal system: unknown
Comments: Crystal class is either: 4 (C4), 422 (D4), 2/m (C2h) or -1 (Ci) Wisnosky and Eggers (1983)

Physical properties

Molar mass: 30.0690 $g/mol$

Thermodynamical properties

State NTP

gas

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-solid	amorphous Ethane	< 25 K (warming); ~?? K (deposition)
solid-solid	solid Ethane III	~35 K (warming); ~60K (deposition)

Optical properties

Refringence type: unknown
Refraction index $n_{\alpha}$: 1.41 (47 K)
Pure color: colorless
Color: colorless
Diaphaneity: transparent
Luster: vitreous