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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-630.534956
Energy at 298.15K-630.543347
Nuclear repulsion energy292.346557
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 B3PW91/6-31G**
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 3182 3050 5.65      
2 A 3156 3025 21.88      
3 A 3144 3014 4.96      
4 A 3144 3013 17.73      
5 A 3129 2999 1.64      
6 A 3076 2948 18.78      
7 A 3065 2938 1.00      
8 A 3063 2935 21.23      
9 A 1813 1738 297.31      
10 A 1511 1448 3.52      
11 A 1502 1440 9.94      
12 A 1491 1429 1.54      
13 A 1481 1419 14.90      
14 A 1465 1404 18.97      
15 A 1422 1363 4.86      
16 A 1384 1327 25.47      
17 A 1307 1252 23.83      
18 A 1278 1224 0.03      
19 A 1153 1105 166.54      
20 A 1082 1037 8.27      
21 A 1054 1010 0.04      
22 A 1020 978 2.87      
23 A 1003 961 4.17      
24 A 951 912 38.97      
25 A 797 764 6.02      
26 A 704 674 0.20      
27 A 645 618 61.40      
28 A 514 492 2.18      
29 A 446 428 3.25      
30 A 375 360 1.80      
31 A 302 289 1.02      
32 A 258 248 0.10      
33 A 157 151 1.11      
34 A 136 131 0.16      
35 A 89 86 0.33      
36 A 56 54 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25178.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 24130.6 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 B3PW91/6-31G**
ABC
0.21385 0.05414 0.04428

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.357 -0.828 0.000
C2 1.411 -0.075 0.000
S3 -0.234 -0.804 -0.000
H4 1.069 1.866 -0.883
H5 2.609 1.673 -0.001
H6 1.070 1.866 0.884
C7 1.545 1.429 0.000
H8 -1.250 1.215 0.886
H9 -1.251 1.214 -0.888
C10 -1.415 0.596 -0.001
H11 -3.022 -0.575 -0.884
H12 -3.555 0.864 0.000
H13 -3.021 -0.573 0.887
C14 -2.835 0.040 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20852.59113.11382.51373.11312.39834.23874.23944.03135.45696.14945.45645.2634
C21.20851.80022.15972.11882.15961.50983.08743.08832.90474.54845.05484.54784.2476
S32.59111.80023.10003.77103.10062.85572.42832.42831.83172.93373.71652.93372.7340
H43.11382.15973.10001.78501.76691.09442.98812.40972.92574.76394.81365.08054.3992
H52.51372.11883.77101.78501.78491.09103.98543.98674.16506.12696.21716.12605.6830
H63.11312.15963.10061.76691.78491.09442.40962.99242.92755.08254.81514.76334.4003
C72.39831.50982.85571.09441.09101.09442.93992.94173.07495.06545.13205.06434.5948
H84.23873.08742.42832.98813.98542.40962.93991.77441.09403.07892.49492.51742.1627
H94.23943.08832.42832.40973.98672.99242.94171.77441.09402.51742.49493.07892.1627
C104.03132.90471.83172.92574.16502.92753.07491.09401.09402.17612.15742.17611.5249
H115.45694.54842.93374.76396.12695.08255.06543.07892.51742.17611.77081.77111.0937
H126.14945.05483.71654.81366.21714.81515.13202.49492.49492.15741.77081.77081.0945
H135.45644.54782.93375.08056.12604.76335.06432.51743.07892.17611.77111.77081.0937
C145.26344.24762.73404.39925.68304.40034.59482.16272.16271.52491.09371.09451.0937

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 117.552 O1 C2 C7 123.453
C2 S3 C10 106.216 C2 C7 H4 111.056
C2 C7 H5 108.020 C2 C7 H6 111.045
S3 C2 C7 118.995 S3 C10 H8 109.601
S3 C10 H9 109.601 S3 C10 C14 108.735
H4 C7 H5 109.527 H4 C7 H6 107.661
H5 C7 H6 109.521 H8 C10 H9 108.386
H8 C10 C14 110.253 H9 C10 C14 110.254
C10 C14 H11 111.343 C10 C14 H12 109.811
C10 C14 H13 111.343 H11 C14 H12 108.046
H11 C14 H13 108.128 H12 C14 H13 108.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.414      
2 C 0.253      
3 S 0.149      
4 H 0.161      
5 H 0.177      
6 H 0.161      
7 C -0.455      
8 H 0.165      
9 H 0.165      
10 C -0.415      
11 H 0.156      
12 H 0.143      
13 H 0.156      
14 C -0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.558 3.510 -0.000 4.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.838 3.814 0.001
y 3.814 -44.383 0.000
z 0.001 0.000 -43.726
Traceless
 xyz
x -1.784 3.814 0.001
y 3.814 0.400 0.000
z 0.001 0.000 1.384
Polar
3z2-r22.769
x2-y2-1.456
xy3.814
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> 251.906
(<r2>)1/2 15.872