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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-630.231503
Energy at 298.15K-630.239958
HF Energy-630.231503
Nuclear repulsion energy293.189845
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 PBE1PBE/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 3200 3041 4.51      
2 A 3173 3016 20.15      
3 A 3163 3005 16.51      
4 A 3161 3004 4.11      
5 A 3146 2989 1.54      
6 A 3094 2940 18.33      
7 A 3084 2931 0.56      
8 A 3082 2929 19.84      
9 A 1835 1744 300.23      
10 A 1530 1454 3.94      
11 A 1521 1446 11.16      
12 A 1511 1436 1.58      
13 A 1499 1425 16.01      
14 A 1485 1411 20.46      
15 A 1440 1368 6.46      
16 A 1405 1335 27.72      
17 A 1325 1259 23.74      
18 A 1292 1227 0.04      
19 A 1170 1112 166.82      
20 A 1097 1042 8.27      
21 A 1068 1015 0.08      
22 A 1034 983 3.14      
23 A 1018 967 3.93      
24 A 965 917 36.37      
25 A 805 765 6.25      
26 A 719 683 0.33      
27 A 656 624 59.71      
28 A 518 492 2.31      
29 A 452 430 3.33      
30 A 380 361 1.92      
31 A 307 292 1.00      
32 A 262 249 0.10      
33 A 162 154 1.09      
34 A 147 140 0.16      
35 A 90 85 0.30      
36 A 57 54 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25424.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 24160.9 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 PBE1PBE/6-31G*
ABC
0.21443 0.05462 0.04462

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.352 -0.823 0.000
C2 1.405 -0.075 0.000
S3 -0.233 -0.805 -0.000
H4 1.054 1.863 -0.883
H5 2.595 1.676 -0.000
H6 1.055 1.863 0.885
C7 1.532 1.427 0.000
H8 -1.240 1.215 0.886
H9 -1.242 1.214 -0.889
C10 -1.404 0.594 -0.001
H11 -3.008 -0.576 -0.885
H12 -3.544 0.863 0.000
H13 -3.007 -0.574 0.888
C14 -2.822 0.040 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20642.58513.11122.51063.11052.39464.22374.22464.01445.43836.13175.43765.2450
C21.20641.79322.15902.11762.15891.50803.07353.07462.88774.52875.03664.52804.2282
S32.58511.79323.09113.76223.09172.84582.42472.42471.82442.92153.70672.92172.7228
H43.11122.15903.09111.78611.76801.09522.96872.38552.90364.73844.78735.05684.3736
H52.51062.11763.76221.78611.78601.09183.96333.96514.14296.10356.19236.10245.6588
H63.11052.15893.09171.76801.78601.09522.38492.97312.90525.05864.78844.73734.3744
C72.39461.50802.84581.09521.09181.09522.91812.92023.05205.04105.10695.03974.5697
H84.22373.07352.42472.96873.96332.38492.91811.77451.09463.07732.49272.51482.1603
H94.22463.07462.42472.38553.96512.97312.92021.77451.09462.51502.49263.07732.1603
C104.01442.88771.82442.90364.14292.90523.05201.09461.09462.17372.15632.17371.5224
H115.43834.52872.92154.73846.10355.05865.04103.07732.51502.17371.77241.77241.0945
H126.13175.03663.70674.78736.19234.78845.10692.49272.49262.15631.77241.77241.0951
H135.43764.52802.92175.05686.10244.73735.03972.51483.07732.17371.77241.77241.0945
C145.24504.22822.72284.37365.65884.37444.56972.16032.16031.52241.09451.09511.0945

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 117.715 O1 C2 C7 123.442
C2 S3 C10 105.921 C2 C7 H4 111.084
C2 C7 H5 108.012 C2 C7 H6 111.075
S3 C2 C7 118.842 S3 C10 H8 109.791
S3 C10 H9 109.790 S3 C10 C14 108.550
H4 C7 H5 109.512 H4 C7 H6 107.640
H5 C7 H6 109.506 H8 C10 H9 108.301
H8 C10 C14 110.201 H9 C10 C14 110.202
C10 C14 H11 111.280 C10 C14 H12 109.857
C10 C14 H13 111.279 H11 C14 H12 108.090
H11 C14 H13 108.128 H12 C14 H13 108.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.413      
2 C 0.265      
3 S 0.159      
4 H 0.205      
5 H 0.223      
6 H 0.205      
7 C -0.604      
8 H 0.207      
9 H 0.207      
10 C -0.504      
11 H 0.199      
12 H 0.188      
13 H 0.199      
14 C -0.537      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.568 3.502 -0.000 4.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.060 3.725 0.000
y 3.725 -44.536 0.001
z 0.000 0.001 -43.820
Traceless
 xyz
x -1.882 3.725 0.000
y 3.725 0.404 0.001
z 0.000 0.001 1.478
Polar
3z2-r22.956
x2-y2-1.524
xy3.725
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.484 -0.123 0.001
y -0.123 8.699 0.000
z 0.001 0.000 6.462


<r2> (average value of r2) Å2
<r2> 250.298
(<r2>)1/2 15.821