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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-630.663756
Energy at 298.15K-630.672369
Nuclear repulsion energy293.899312
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 B1B95/6-311G**
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 3173 3046 6.57      
2 A 3144 3019 27.43      
3 A 3140 3015 4.05      
4 A 3132 3007 20.16      
5 A 3120 2995 0.36      
6 A 3071 2948 19.79      
7 A 3063 2941 0.85      
8 A 3056 2934 22.43      
9 A 1812 1740 335.20      
10 A 1499 1439 3.73      
11 A 1493 1434 19.91      
12 A 1488 1428 6.59      
13 A 1482 1423 4.13      
14 A 1467 1409 16.94      
15 A 1410 1353 6.01      
16 A 1379 1324 25.65      
17 A 1296 1244 24.93      
18 A 1266 1215 0.18      
19 A 1154 1108 154.32      
20 A 1084 1040 2.41      
21 A 1049 1007 0.68      
22 A 1019 978 1.99      
23 A 1003 963 6.10      
24 A 962 924 56.79      
25 A 790 758 7.04      
26 A 703 675 0.19      
27 A 645 619 70.05      
28 A 524 503 1.66      
29 A 450 432 3.48      
30 A 384 369 1.51      
31 A 312 300 1.42      
32 A 273 262 0.03      
33 A 254 244 0.04      
34 A 171 164 0.83      
35 A 87 83 0.37      
36 A 31 29 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25191.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 24186.0 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 B1B95/6-311G**
ABC
0.21472 0.05497 0.04486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.349 -0.811 0.000
C2 1.404 -0.073 0.000
S3 -0.232 -0.812 -0.000
H4 1.035 1.854 -0.881
H5 2.574 1.685 -0.000
H6 1.035 1.853 0.881
C7 1.517 1.428 0.000
H8 -1.227 1.204 0.885
H9 -1.228 1.203 -0.887
C10 -1.397 0.591 -0.001
H11 -3.003 -0.568 -0.882
H12 -3.532 0.867 0.000
H13 -3.002 -0.567 0.884
C14 -2.815 0.045 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.19952.58093.09922.50653.09892.38844.19954.20014.00045.42996.11575.42955.2343
C21.19951.79442.15042.11222.15031.50513.05563.05642.87874.52135.02414.52084.2200
S32.58091.79443.07943.75573.07962.84132.41612.41611.82382.91853.70252.91862.7212
H43.09922.15043.07941.78141.76231.09112.94232.35452.87814.70824.75415.02694.3436
H52.50652.11223.75571.78141.78141.08763.93263.93394.11936.07936.16026.07855.6329
H63.09892.15033.07961.76231.78141.09112.35392.94492.87895.02794.75454.70734.3439
C72.38841.50512.84131.09111.08761.09112.89252.89403.03245.01945.08015.01864.5475
H84.19953.05562.41612.94233.93262.35392.89251.77191.09023.06842.49122.50722.1555
H94.20013.05642.41612.35453.93392.94492.89401.77191.09022.50722.49123.06842.1555
C104.00042.87871.82382.87814.11932.87893.03241.09021.09022.16772.15212.16771.5191
H115.42994.52132.91854.70826.07935.02795.01943.06842.50722.16771.76551.76581.0905
H126.11575.02413.70254.75416.16024.75455.08012.49122.49122.15211.76551.76551.0913
H135.42954.52082.91865.02696.07854.70735.01862.50723.06842.16771.76581.76551.0905
C145.23434.22002.72124.34365.63294.34394.54752.15552.15551.51911.09051.09131.0905

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 117.722 O1 C2 C7 123.645
C2 S3 C10 105.425 C2 C7 H4 110.844
C2 C7 H5 108.029 C2 C7 H6 110.837
S3 C2 C7 118.633 S3 C10 H8 109.424
S3 C10 H9 109.424 S3 C10 C14 108.637
H4 C7 H5 109.705 H4 C7 H6 107.720
H5 C7 H6 109.703 H8 C10 H9 108.706
H8 C10 C14 110.317 H9 C10 C14 110.317
C10 C14 H11 111.272 C10 C14 H12 109.987
C10 C14 H13 111.271 H11 C14 H12 108.035
H11 C14 H13 108.119 H12 C14 H13 108.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.290      
2 C 0.095      
3 S 0.126      
4 H 0.151      
5 H 0.161      
6 H 0.151      
7 C -0.362      
8 H 0.172      
9 H 0.172      
10 C -0.457      
11 H 0.147      
12 H 0.134      
13 H 0.147      
14 C -0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.563 3.453 -0.000 4.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.624 3.776 0.000
y 3.776 -45.088 0.000
z 0.000 0.000 -44.289
Traceless
 xyz
x -1.935 3.776 0.000
y 3.776 0.368 0.000
z 0.000 0.000 1.567
Polar
3z2-r23.134
x2-y2-1.535
xy3.776
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.341 0.020 0.000
y 0.020 9.540 -0.000
z 0.000 -0.000 6.663


<r2> (average value of r2) Å2
<r2> 249.353
(<r2>)1/2 15.791