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All results from a given calculation for CH2CHSH (Ethenethiol)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-475.996601
Energy at 298.15K-476.000226
HF Energy-475.554325
Nuclear repulsion energy93.007506
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/6-31+G**
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' 3314 3133 9.90      
2 A' 3251 3074 4.12      
3 A' 3218 3042 3.80      
4 A' 2772 2621 9.54      
5 A' 1691 1599 29.53      
6 A' 1471 1391 9.05      
7 A' 1344 1270 0.86      
8 A' 1117 1056 28.03      
9 A' 937 885 7.43      
10 A' 722 682 14.15      
11 A' 385 364 3.95      
12 A" 997 943 30.12      
13 A" 871 823 43.57      
14 A" 593 561 16.91      
15 A" 217 205 13.16      

Unscaled Zero Point Vibrational Energy (zpe) 11449.7 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 10824.6 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/6-31+G**
ABC
1.67724 0.19188 0.17219

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.298 1.103 0.000
C2 0.000 0.766 0.000
S3 -0.698 -0.858 0.000
H4 2.089 0.363 0.000
H5 1.590 2.144 0.000
H6 -0.766 1.533 0.000
H7 0.463 -1.519 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.34122.79821.08281.08122.10852.7511
C21.34121.76802.12772.10361.08362.3313
S32.79821.76803.04293.77432.39191.3358
H41.08282.12773.04291.84943.08532.4869
H51.08122.10363.77431.84942.43363.8318
H62.10851.08362.39193.08532.43363.2896
H72.75112.33131.33582.48693.83183.2896

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.781 C1 C2 H6 120.446
C2 C1 H4 122.389 C2 C1 H5 120.171
C2 S3 H7 96.380 S3 C2 H6 111.773
H4 C1 H5 117.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability