Models-Alkanes

Anti Butane Molecular Modelanti butane
Formula: C.4h10
Molecular mass: 58.123
Melting point: -138.35ºC
Boiling point: -0.45ºC
Comment: It is the most stable conformation of butane. It presents the minimum interactions between substituents.

Ethane molecular modelethane model
Formula: C.2h6
Molecular mass: 30.0694
Melting point: -183.3ºC
Boiling point: -88.6ºC
Comment: Colorless, flammable gas.

Butane Molecular Model withoutbutane without
Formula:
C.4h10
Molecular mass: 58.123
Melting point: -138.35ºC
Boiling point: -0.45ºC
Comment: Eclipsed conformation of ethane. The interaction between methyls makes this conformation the most unstable of butane.

Methane Molecular Modelmethane model
Formula: CH4
Molecular mass: 16.0426
Melting point: -182.47ºC
Boiling point: -161.45ºC
Comment: Highly flammable colorless gas. Lavatory.

Gauche Butane molecular model.Gauche butane
Formula:C4h10
Molecular mass: 58.123
Melting point: -138.35ºC
Boiling point: -0.45ºC
Comment: The gauche conformation of butane alternates with methyls at 60°. After anti, it is the most stable conformation of butane.