Constituent
Name
solid CH3OH - phase I
Official name
solid alpha-Methanol
Family
molecular solid
Class
hydrogen bonded molecular solid
Compound type
organic molecular solid
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Abundance comments
natural istopic composition, but possible fractionation and small $CO_2$ surface contamination (about 300 \pm 150 ppm) on crystalline $CH_3OH$
Chemical composition
Formula
$CH_3OH$
Chemical formula
CH3OH
Elemental formula
C H4 O
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$CH_3OH$ Methanol molecule 1 1.0 1 pure main
Chemical functions
  Function Number Relevance
$R-OH$ 1 main
Chemical bonds
  Bond Number Relevance
$-O \dots H-$ 1
$\geq C-H$ 3 main
$\geq C-O-$ 1 main
$-O-H$ 1 main
Class
molecular solids with hydrogen bonded molecules (03)
Type
homomolecular H-bonded solids (03.01)
Phase name
$\alpha-CH_3OH$
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
disphenoidal
Crystal class symbol
222 (D2)
Crystal spacegroup
P2(1)2(1)2(1)
Texture
polycrystalline
Molar mass
32.0412 $g/mol$
Density
0.82 $\pm$ 0.02 $g/cm^3$
Refringence type
biaxial
Refraction index $n_{\alpha}$
1.343 $\pm$ 0.004
Diaphaneity
transparent
Luster
vitreous