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All results from a given calculation for C4H8OS (s-Ethyl thioacetate)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-630.679617
Energy at 298.15K-630.688073
Nuclear repulsion energy293.501946
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 mPW1PW91/6-311G*
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 3180 3035 8.61      
2 A 3155 3011 32.57      
3 A 3145 3002 5.41      
4 A 3140 2997 24.49      
5 A 3130 2987 0.13      
6 A 3083 2942 22.10      
7 A 3072 2932 0.88      
8 A 3066 2927 26.00      
9 A 1820 1737 335.79      
10 A 1524 1455 4.71      
11 A 1516 1447 13.16      
12 A 1502 1434 0.61      
13 A 1494 1425 16.64      
14 A 1480 1412 23.80      
15 A 1432 1367 7.87      
16 A 1398 1334 27.91      
17 A 1326 1265 26.98      
18 A 1294 1235 0.29      
19 A 1163 1110 165.09      
20 A 1093 1043 7.56      
21 A 1068 1019 0.77      
22 A 1034 987 2.31      
23 A 1013 966 3.92      
24 A 959 915 45.54      
25 A 805 769 7.82      
26 A 709 677 0.19      
27 A 649 619 68.19      
28 A 518 495 1.85      
29 A 454 433 3.18      
30 A 378 360 1.91      
31 A 305 292 1.19      
32 A 264 252 0.06      
33 A 160 153 1.11      
34 A 145 139 0.08      
35 A 86 82 0.42      
36 A 53 51 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25305.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 24151.8 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 mPW1PW91/6-311G*
ABC
0.21484 0.05467 0.04467

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.347 -0.821 0.000
C2 1.407 -0.075 -0.000
S3 -0.233 -0.806 -0.000
H4 1.058 1.861 -0.880
H5 2.593 1.675 -0.001
H6 1.060 1.861 0.882
C7 1.534 1.425 0.000
H8 -1.240 1.211 0.884
H9 -1.241 1.209 -0.887
C10 -1.405 0.594 -0.001
H11 -3.011 -0.570 -0.882
H12 -3.541 0.864 0.000
H13 -3.010 -0.569 0.884
C14 -2.821 0.043 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.19922.58013.10282.50833.10202.38814.21584.21644.00915.43536.12405.43485.2390
C21.19921.79602.15562.11462.15551.50553.07313.07402.89044.53235.03674.53174.2296
S32.58011.79603.09133.76123.09202.84602.42132.42131.82542.92353.70522.92352.7229
H43.10282.15563.09131.77871.76191.09172.96922.38962.90564.74014.78785.05634.3734
H52.50832.11463.76121.77871.77871.08843.96113.96254.14116.10116.18766.10025.6545
H63.10202.15553.09201.76191.77871.09172.38982.97402.90775.05864.78954.73974.3748
C72.38811.50552.84601.09171.08841.09172.91922.92103.05355.04115.10605.04004.5686
H84.21583.07312.42132.96923.96112.38982.91921.77061.09093.07042.48942.51012.1548
H94.21643.07402.42132.38963.96252.97402.92101.77061.09092.51012.48933.07042.1548
C104.00912.89041.82542.90564.14112.90773.05351.09091.09092.17102.15362.17101.5197
H115.43534.53232.92354.74016.10115.05865.04113.07042.51012.17101.76521.76591.0912
H126.12405.03673.70524.78786.18764.78955.10602.48942.48932.15361.76521.76521.0921
H135.43484.53172.92355.05636.10024.73975.04002.51013.07042.17101.76591.76521.0912
C145.23904.22962.72294.37345.65454.37484.56862.15482.15481.51971.09121.09211.0912

picture of s-Ethyl thioacetate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 S3 117.567 O1 C2 C7 123.604
C2 S3 C10 105.903 C2 C7 H4 111.196
C2 C7 H5 108.144 C2 C7 H6 111.182
S3 C2 C7 118.829 S3 C10 H8 109.674
S3 C10 H9 109.674 S3 C10 C14 108.634
H4 C7 H5 109.354 H4 C7 H6 107.596
H5 C7 H6 109.347 H8 C10 H9 108.494
H8 C10 C14 110.178 H9 C10 C14 110.179
C10 C14 H11 111.447 C10 C14 H12 110.005
C10 C14 H13 111.446 H11 C14 H12 107.891
H11 C14 H13 108.017 H12 C14 H13 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.300      
2 C 0.179      
3 S 0.149      
4 H 0.254      
5 H 0.264      
6 H 0.254      
7 C -0.745      
8 H 0.258      
9 H 0.258      
10 C -0.628      
11 H 0.244      
12 H 0.235      
13 H 0.244      
14 C -0.667      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.578 3.518 -0.000 4.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.692 3.789 0.001
y 3.789 -45.198 0.000
z 0.001 0.000 -44.321
Traceless
 xyz
x -1.932 3.789 0.001
y 3.789 0.308 0.000
z 0.001 0.000 1.624
Polar
3z2-r23.247
x2-y2-1.493
xy3.789
xz0.001
yz0.000


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


<r2> (average value of r2) Å2
<r2> 250.425
(<r2>)1/2 15.825