Abstract
The d,l isomer of 1,2,3,4‐diepoxybutane was studied in the vapor phase by electron diffraction. The following values were found for the bond lengths and bond angles (standard deviations are given in parentheses): r( C–C ) ring = 1.463(0.005) Å, r( C–C )= 1.521(0.009) Å, r( C–O )= 1.439(0.004) Å, and ∠ CCC = 115.2°. The data were consistent with a single conformation corresponding to a nearly trans configuration for the carbon chain.