Accurate double many-body expansion potential energy surface of HS
2
A
2
A′) by scaling the external correlation
Zhang Lu-Lu
, Song Yu-Zhi
†,
, Gao Shou-Bao
, Zhang Yuan
, Meng Qing-Tian
‡,
Minimum energy paths for HS
2
(A
2
A′) PES at four H–S–S angles.