Constituent
Name
C2H6 crystalline
Official name
metastable solid Ethane
Family
molecular solid
Class
non polar molecular solid
Compound type
organic molecular solid
Comments
probably the low T metastable phase and possibly not fully crystallized - only CO2 impurity seen in MIR spectra
there are 3 other crystalline solid phases of Ethane: solid Ethane III, II and I
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0 $\pm$ 0.0005
Mole fraction
1.0
Chemical composition
Formula
$C_2H_6$
Chemical formula
C2H6
Elemental formula
C2 H6
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$C_2H_6$ Ethane molecule 1 0.9994003597841296 1.0 pure main
$CO_2$ Carbon dioxide molecule 0.0005 - 0.0007 0.0005996402158704778 $\pm$ 9.994003597841295e-05 1.0 monomers impurity
Composition comments
CO2 impurity determined from area of 2357.5 cm-1 band; Possible impurities in the 99.995% C2H6 gas bottle: CnHm, C2H2, CH4, N2, O2, H2, CO2, H2O]
Chemical functions
  Function Number Relevance
$R-CH_3$ 2 main
Chemical bonds
  Bond Number Relevance
$\geq C-H$ 6 main
$\geq C-C \leq$ 1 main
$=C=O$ 2 impurity
Class
molecular solids with apolar molecules (01)
Type
with polyatomic organic apolar molecules (CnHm...) (01.06)
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)
Texture
polycrystalline
Molar mass
30.0690 $g/mol$
Refringence type
unknown
Refraction index $n_{\alpha}$
1.41 (47 K)
Color
colorless
Diaphaneity
transparent
Luster
vitreous