Advances in Physical Chemistry

Review Article

Potential Energy Surfaces Using Algebraic Methods Based on Unitary Groups

Table 9

Force constants for carbon dioxide from [68].
Force constant 1 2 C O 2 1 2 C O 2
This work Reference [136]
𝑓 𝑞 1 𝑞 1 ( a J Å − 2 ) 15.98 16.01
𝑓 𝑞 1 𝑞 2 ( a J Å − 2 ) 1.5310 1.2526
𝑓 𝑞 1 𝑞 1 𝑞 1 𝑞 1 ( a J Å − 4 ) 189.61 681.87
𝑓 𝑞 1 𝑞 1 𝑞 1 𝑞 2 ( a J Å − 4 ) 152.73 12.27
𝑓 𝑞 1 𝑞 1 𝑞 2 𝑞 2 ( a J Å − 4 ) 59.367 36.702
𝑓 𝑞 𝑎 𝑞 𝑎 ( a J Å − 2 ) 0.57210.5818
𝑓 𝑞 𝑎 𝑞 𝑎 𝑞 𝑎 𝑞 𝑎 ( a J Å − 4 ) 3.37140.75
  −7.1862 —
𝑓 𝑞 1 𝑞 𝑎 𝑞 𝑎 ( a J Å − 3 ) −0.9592 −0.8874
𝑓 𝑞 1 𝑞 1 𝑞 𝑎 𝑞 𝑎 ( a J Å − 4 ) −19.549 —
𝑓 𝑞 1 𝑞 2 𝑞 𝑎 𝑞 𝑎 ( a J Å − 4 ) −32.880 —