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 CH2CHSH (Ethenethiol)

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.142625
Energy at 298.15K-476.146320
HF Energy-475.605774
Nuclear repulsion energy93.427967
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/6-311+G(3df,2p)
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' 3259 3108 5.61      
2 A' 3195 3047 1.98      
3 A' 3165 3018 2.08      
4 A' 2717 2591 0.96      
5 A' 1670 1593 34.00      
6 A' 1446 1379 7.74      
7 A' 1319 1258 1.49      
8 A' 1100 1049 20.73      
9 A' 914 872 4.55      
10 A' 720 687 13.97      
11 A' 380 363 3.63      
12 A" 1001 955 18.71      
13 A" 905 863 39.13      
14 A" 606 578 15.24      
15 A" 259 247 9.66      

Unscaled Zero Point Vibrational Energy (zpe) 11327.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 10803.4 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/6-311+G(3df,2p)
ABC
1.68117 0.19429 0.17416

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.291 1.094 0.000
C2 0.000 0.763 0.000
S3 -0.694 -0.852 0.000
H4 2.079 0.351 0.000
H5 1.584 2.135 0.000
H6 -0.766 1.530 0.000
H7 0.463 -1.525 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.33322.78011.08251.08122.10282.7469
C21.33321.75752.11902.09581.08382.3341
S32.78011.75753.02243.75652.38271.3387
H41.08252.11903.02241.85113.07892.4757
H51.08122.09583.75651.85112.42663.8276
H62.10281.08382.38273.07892.42663.2925
H72.74692.33411.33872.47573.82763.2925

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.652 C1 C2 H6 120.566
C2 C1 H4 122.264 C2 C1 H5 120.100
C2 S3 H7 96.920 S3 C2 H6 111.781
H4 C1 H5 117.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability