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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-630.673685
Energy at 298.15K-630.682019
HF Energy-630.673685
Nuclear repulsion energy291.385507
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 TPSSh/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 3171 3043 9.49      
2 A 3146 3019 31.95      
3 A 3130 3003 25.06      
4 A 3129 3002 8.86      
5 A 3119 2993 1.54      
6 A 3071 2946 21.21      
7 A 3060 2936 2.24      
8 A 3059 2935 28.30      
9 A 1781 1708 284.66      
10 A 1544 1482 2.31      
11 A 1536 1474 8.14      
12 A 1521 1459 1.11      
13 A 1516 1454 12.81      
14 A 1502 1441 19.64      
15 A 1446 1387 2.23      
16 A 1410 1353 14.70      
17 A 1319 1266 30.36      
18 A 1293 1240 0.00      
19 A 1152 1106 148.59      
20 A 1085 1041 5.74      
21 A 1062 1019 0.13      
22 A 1034 992 1.80      
23 A 997 956 3.85      
24 A 950 911 57.21      
25 A 797 765 4.85      
26 A 688 660 0.07      
27 A 629 604 65.61      
28 A 506 485 2.22      
29 A 433 416 2.83      
30 A 367 352 1.54      
31 A 294 282 1.00      
32 A 257 247 0.10      
33 A 154 148 1.02      
34 A 143 137 0.14      
35 A 91 87 0.26      
36 A 55 53 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25224.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 24200.1 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 TPSSh/6-31G*
ABC
0.21212 0.05382 0.04400

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.368 -0.827 0.001
C2 1.417 -0.078 -0.001
S3 -0.235 -0.808 -0.000
H4 1.067 1.874 -0.885
H5 2.608 1.682 0.000
H6 1.067 1.873 0.885
C7 1.544 1.438 0.000
H8 -1.253 1.214 0.888
H9 -1.254 1.214 -0.889
C10 -1.417 0.596 -0.000
H11 -3.030 -0.574 -0.887
H12 -3.563 0.867 0.000
H13 -3.030 -0.574 0.888
C14 -2.845 0.040 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21052.60303.12652.52083.12552.41064.25124.25214.04415.47716.16885.47645.2853
C21.21051.80622.17162.12512.17161.52153.09733.09782.91354.56245.06954.56214.2644
S32.60301.80623.11003.77933.10982.86522.43292.43291.83622.94233.72662.94242.7451
H43.12652.17163.11001.78721.76991.09562.99342.41312.92984.77324.82005.09084.4107
H52.52082.12513.77931.78721.78721.09173.98953.99064.16876.13756.22446.13685.6952
H63.12552.17163.10981.76991.78721.09562.41222.99532.93015.09134.82004.77204.4105
C72.41061.52152.86521.09561.09171.09562.94322.94443.07805.07545.13865.07474.6065
H84.25123.09732.43292.99343.98952.41222.94321.77701.09443.08332.49852.52052.1684
H94.25213.09782.43292.41313.99062.99532.94441.77701.09442.52052.49843.08332.1684
C104.04412.91351.83622.92984.16872.93013.07801.09441.09442.18172.16322.18171.5331
H115.47714.56242.94234.77326.13755.09135.07543.08332.52052.18171.77471.77471.0946
H126.16885.06953.72664.82006.22444.82005.13862.49852.49842.16321.77471.77471.0956
H135.47644.56212.94245.09086.13684.77205.07472.52053.08332.18171.77471.77471.0946
C145.28534.26442.74514.41075.69524.41054.60652.16842.16841.53311.09461.09561.0946

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 117.926 O1 C2 C7 123.463
C2 S3 C10 106.237 C2 C7 H4 111.115
C2 C7 H5 107.686 C2 C7 H6 111.109
S3 C2 C7 118.611 S3 C10 H8 109.625
S3 C10 H9 109.625 S3 C10 C14 108.792
H4 C7 H5 109.589 H4 C7 H6 107.750
H5 C7 H6 109.584 H8 C10 H9 108.559
H8 C10 C14 110.115 H9 C10 C14 110.115
C10 C14 H11 111.153 C10 C14 H12 109.628
C10 C14 H13 111.153 H11 C14 H12 108.244
H11 C14 H13 108.323 H12 C14 H13 108.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.411      
2 C 0.270      
3 S 0.135      
4 H 0.190      
5 H 0.207      
6 H 0.190      
7 C -0.556      
8 H 0.194      
9 H 0.194      
10 C -0.463      
11 H 0.185      
12 H 0.173      
13 H 0.185      
14 C -0.492      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.531 3.473 -0.000 4.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.858 -0.100 -0.000
y -0.100 8.853 -0.000
z -0.000 -0.000 6.506


<r2> (average value of r2) Å2
<r2> 253.293
(<r2>)1/2 15.915