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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-630.603400
Energy at 298.15K-630.611843
Nuclear repulsion energy293.064044
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 mPW1PW91/6-31G*
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 3203 3037 5.20      
2 A 3177 3013 21.97      
3 A 3165 3002 17.68      
4 A 3165 3002 4.96      
5 A 3151 2988 1.31      
6 A 3099 2939 18.56      
7 A 3088 2929 0.83      
8 A 3086 2927 21.26      
9 A 1833 1738 302.45      
10 A 1536 1456 3.88      
11 A 1528 1449 10.92      
12 A 1517 1438 1.67      
13 A 1506 1428 15.82      
14 A 1491 1414 20.52      
15 A 1445 1371 5.91      
16 A 1411 1338 25.88      
17 A 1329 1260 24.65      
18 A 1296 1229 0.04      
19 A 1171 1111 166.19      
20 A 1097 1041 7.94      
21 A 1071 1015 0.09      
22 A 1038 984 3.08      
23 A 1017 964 3.98      
24 A 966 916 39.12      
25 A 807 765 6.23      
26 A 716 679 0.28      
27 A 654 621 60.42      
28 A 519 492 2.41      
29 A 452 429 3.34      
30 A 379 360 1.91      
31 A 306 290 0.98      
32 A 262 248 0.10      
33 A 160 152 1.11      
34 A 144 136 0.15      
35 A 89 84 0.31      
36 A 56 53 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25464.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 24147.6 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 mPW1PW91/6-31G*
ABC
0.21442 0.05451 0.04455

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.351 -0.824 0.000
C2 1.406 -0.076 0.000
S3 -0.234 -0.804 -0.000
H4 1.061 1.864 -0.882
H5 2.599 1.673 -0.000
H6 1.062 1.863 0.884
C7 1.537 1.427 0.000
H8 -1.244 1.215 0.885
H9 -1.245 1.213 -0.888
C10 -1.407 0.595 -0.001
H11 -3.011 -0.575 -0.884
H12 -3.546 0.863 0.000
H13 -3.010 -0.573 0.887
C14 -2.825 0.040 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20592.58513.10962.50983.10892.39424.22694.22774.01755.44066.13355.44005.2479
C21.20591.79432.15832.11712.15821.50833.07733.07842.89194.53245.03984.53164.2325
S32.58511.79433.09383.76353.09442.84852.42512.42511.82632.92363.70772.92372.7251
H43.10962.15833.09381.78371.76631.09382.97582.39562.91134.74644.79605.06374.3824
H52.50982.11713.76351.78371.78361.09053.97033.97204.14876.10846.19836.10735.6649
H63.10892.15823.09441.76631.78361.09382.39522.98042.91305.06574.79734.74544.3833
C72.39421.50832.84851.09381.09051.09382.92582.92793.05915.04745.11395.04614.5772
H84.22693.07732.42512.97583.97032.39522.92581.77271.09313.07522.49122.51362.1595
H94.22773.07842.42512.39563.97202.98042.92791.77271.09312.51372.49113.07522.1595
C104.01752.89191.82632.91134.14872.91303.05911.09311.09312.17342.15542.17331.5230
H115.44064.53242.92364.74646.10845.06575.04743.07522.51372.17341.77031.77051.0932
H126.13355.03983.70774.79606.19834.79735.11392.49122.49112.15541.77031.77031.0938
H135.44004.53162.92375.06376.10734.74545.04612.51363.07522.17331.77051.77031.0932
C145.24794.23252.72514.38245.66494.38334.57722.15952.15951.52301.09321.09381.0932

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 117.657 O1 C2 C7 123.403
C2 S3 C10 106.012 C2 C7 H4 111.080
C2 C7 H5 108.020 C2 C7 H6 111.070
S3 C2 C7 118.940 S3 C10 H8 109.772
S3 C10 H9 109.771 S3 C10 C14 108.570
H4 C7 H5 109.486 H4 C7 H6 107.691
H5 C7 H6 109.481 H8 C10 H9 108.350
H8 C10 C14 110.186 H9 C10 C14 110.187
C10 C14 H11 111.290 C10 C14 H12 109.818
C10 C14 H13 111.289 H11 C14 H12 108.086
H11 C14 H13 108.153 H12 C14 H13 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.418      
2 C 0.271      
3 S 0.156      
4 H 0.204      
5 H 0.222      
6 H 0.204      
7 C -0.601      
8 H 0.206      
9 H 0.206      
10 C -0.500      
11 H 0.198      
12 H 0.187      
13 H 0.198      
14 C -0.534      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.577 3.515 -0.000 4.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.974 3.764 0.001
y 3.764 -44.439 0.000
z 0.001 0.000 -43.718
Traceless
 xyz
x -1.895 3.764 0.001
y 3.764 0.407 0.000
z 0.001 0.000 1.488
Polar
3z2-r22.976
x2-y2-1.535
xy3.764
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> 250.596
(<r2>)1/2 15.830