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 CH3CH2SH (ethanethiol)

using model chemistry: mPW1PW91/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pV(T+d)Z
 hartrees
Energy at 0K-478.065128
Energy at 298.15K 
HF Energy-478.065128
Nuclear repulsion energy107.881008
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 mPW1PW91/cc-pV(T+d)Z
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3131 2999 20.96      
2 A' 3079 2949 20.19      
3 A' 3057 2928 18.68      
4 A' 2713 2599 3.30      
5 A' 1504 1441 2.82      
6 A' 1490 1428 2.89      
7 A' 1414 1355 4.44      
8 A' 1301 1246 27.98      
9 A' 1121 1074 1.56      
10 A' 1007 964 3.69      
11 A' 866 830 0.89      
12 A' 692 663 0.92      
13 A' 301 288 2.04      
14 A" 3143 3011 24.89      
15 A" 3118 2987 0.11      
16 A" 1493 1430 9.33      
17 A" 1272 1218 0.60      
18 A" 1047 1003 0.32      
19 A" 792 758 3.79      
20 A" 249 239 0.97      
21 A" 173 166 15.55      

Unscaled Zero Point Vibrational Energy (zpe) 16481.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 15787.4 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 mPW1PW91/cc-pV(T+d)Z
ABC
0.96300 0.18386 0.16382

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.510 0.681 0.000
C2 0.000 0.826 0.000
S3 -0.753 -0.830 0.000
H4 1.982 1.663 0.000
H5 1.852 0.140 0.882
H6 1.852 0.140 -0.882
H7 -0.332 1.368 0.884
H8 -0.332 1.368 -0.884
H9 -2.033 -0.436 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.51662.72081.09021.09001.09002.15552.15553.7148
C21.51661.81972.15162.16352.16351.08861.08862.3932
S32.72081.81973.70112.91702.91702.40622.40621.3400
H41.09022.15163.70111.76471.76472.49512.49514.5310
H51.09002.16352.91701.76471.76462.50593.06594.0263
H61.09002.16352.91701.76471.76463.06592.50594.0263
H72.15551.08862.40622.49512.50593.06591.76812.6320
H82.15551.08862.40622.49513.06592.50591.76812.6320
H93.71482.39321.34004.53104.02634.02632.63202.6320

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.936 C1 C2 H7 110.584
C1 C2 H8 110.584 C2 C1 H4 110.181
C2 C1 H5 111.141 C2 C1 H6 111.141
C2 S3 H9 97.309 S3 C2 H7 109.055
S3 C2 H8 109.055 H4 C1 H5 108.087
H4 C1 H6 108.087 H5 C1 H6 108.089
H7 C2 H8 108.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.260      
2 C -0.143      
3 S -0.163      
4 H 0.091      
5 H 0.098      
6 H 0.098      
7 H 0.101      
8 H 0.101      
9 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.060 1.651 0.000 1.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.825 -0.236 0.000
y -0.236 -28.014 0.000
z 0.000 0.000 -28.709
Traceless
 xyz
x 3.537 -0.236 0.000
y -0.236 -1.247 0.000
z 0.000 0.000 -2.290
Polar
3z2-r2-4.579
x2-y23.189
xy-0.236
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.272 0.895 0.000
y 0.895 6.835 0.000
z 0.000 0.000 5.209


<r2> (average value of r2) Å2
<r2> 82.635
(<r2>)1/2 9.090