return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SeOCl2 (selenium oxychloride)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-3391.944978
Energy at 298.15K-3391.943883
HF Energy-3391.334419
Nuclear repulsion energy456.776780
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 960 914 43.68      
2 A' 402 383 50.61      
3 A' 265 253 8.89      
4 A' 161 153 0.73      
5 A" 381 363 105.94      
6 A" 244 232 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 1206.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 1148.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G*
ABC
0.12146 0.07818 0.05455

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.158 0.594 0.000
O2 -1.341 1.224 0.000
Cl3 0.158 -0.882 1.661
Cl4 0.158 -0.882 -1.661

Atom - Atom Distances (Å)
  Se1 O2 Cl3 Cl4
Se11.62562.22172.2217
O21.62563.07213.0721
Cl32.22173.07213.3218
Cl42.22173.07213.3218

picture of selenium oxychloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 Se1 Cl3 104.917 O2 Se1 Cl4 104.917
Cl3 Se1 Cl4 96.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability