Keywords: Butane-negative-gauche-side-3D-balls.png I horizontally flipped PD-user image Image Butane-gauche-side-3D-balls png using Gimp to give negative dihedral Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Matthias_M using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2007-04-09 Original uploader was DMacks at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia DMacks Original upload log page en wikipedia Butane-negative-gauche-side-3D-balls png 2007-04-09 06 57 DMacks 1100×854× 175362 bytes <nowiki>Horizontally flipped PD-user image Image Butane-gauche-side-3D-balls png by me using Gimp to give negative dihedral </nowiki> Butane Ball-and-stick models Alkane stereochemistry |