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

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-630.555964
Energy at 298.15K-630.564349
Nuclear repulsion energy291.954597
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/cc-pVDZ
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 3175 3064 4.73      
2 A 3146 3036 19.41      
3 A 3143 3033 3.56      
4 A 3135 3025 14.42      
5 A 3119 3010 1.88      
6 A 3063 2955 18.10      
7 A 3056 2949 0.86      
8 A 3050 2943 24.06      
9 A 1810 1746 319.18      
10 A 1473 1421 3.25      
11 A 1462 1411 9.93      
12 A 1455 1404 0.67      
13 A 1442 1391 12.72      
14 A 1426 1376 18.59      
15 A 1390 1342 3.21      
16 A 1354 1307 26.19      
17 A 1276 1231 23.15      
18 A 1257 1213 0.16      
19 A 1144 1104 171.39      
20 A 1076 1039 6.16      
21 A 1029 993 0.04      
22 A 1006 970 2.86      
23 A 1000 965 3.90      
24 A 945 912 37.23      
25 A 787 759 5.37      
26 A 696 672 0.10      
27 A 641 619 66.82      
28 A 514 496 1.32      
29 A 442 427 2.82      
30 A 370 357 1.57      
31 A 300 289 0.93      
32 A 255 246 0.05      
33 A 156 150 0.89      
34 A 147 142 0.17      
35 A 87 84 0.38      
36 A 56 54 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24940.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 24067.7 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/cc-pVDZ
ABC
0.21346 0.05401 0.04419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.362 -0.823 0.000
C2 1.417 -0.073 0.000
S3 -0.232 -0.808 -0.000
H4 1.055 1.864 -0.887
H5 2.607 1.687 -0.000
H6 1.056 1.863 0.889
C7 1.540 1.430 0.000
H8 -1.246 1.215 0.891
H9 -1.247 1.214 -0.894
C10 -1.418 0.593 -0.001
H11 -3.028 -0.578 -0.890
H12 -3.562 0.870 0.000
H13 -3.027 -0.577 0.892
C14 -2.837 0.041 0.001

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20652.59403.11692.52263.11632.39874.23824.23894.03665.46786.16145.46735.2705
C21.20651.80562.16062.12472.16051.50813.08923.09012.91244.56095.06804.56034.2560
S32.59401.80563.09493.77983.09542.85472.43172.43171.83552.94253.72892.94252.7399
H43.11692.16063.09491.79681.77611.10052.97932.39122.91794.75664.80545.07714.3883
H52.52262.12473.77981.79681.79671.09763.98293.98424.17136.13786.22366.13695.6880
H63.11632.16053.09541.77611.79671.10052.39102.98322.91955.07894.80674.75594.3892
C72.39871.50812.85471.10051.09761.10052.93282.93453.07435.06845.13325.06744.5926
H84.23823.08922.43172.97933.98292.39102.93281.78521.10093.09222.50612.52622.1691
H94.23893.09012.43172.39123.98422.98322.93451.78521.10092.52622.50613.09222.1692
C104.03662.91241.83552.91794.17132.91953.07431.10091.10092.18012.16212.18011.5229
H115.46784.56092.94254.75666.13785.07895.06843.09222.52622.18011.78161.78141.1008
H126.16145.06803.72894.80546.22364.80675.13322.50612.50612.16211.78161.78161.1012
H135.46734.56032.94255.07716.13694.75595.06742.52623.09222.18011.78141.78161.1008
C145.27054.25602.73994.38835.68804.38924.59262.16912.16921.52291.10081.10121.1008

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 117.518 O1 C2 C7 123.788
C2 S3 C10 106.231 C2 C7 H4 110.872
C2 C7 H5 108.220 C2 C7 H6 110.862
S3 C2 C7 118.694 S3 C10 H8 109.246
S3 C10 H9 109.246 S3 C10 C14 108.985
H4 C7 H5 109.649 H4 C7 H6 107.588
H5 C7 H6 109.643 H8 C10 H9 108.349
H8 C10 C14 110.495 H9 C10 C14 110.495
C10 C14 H11 111.370 C10 C14 H12 109.918
C10 C14 H13 111.369 H11 C14 H12 108.012
H11 C14 H13 108.029 H12 C14 H13 108.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.205      
2 C -0.005      
3 S 0.002      
4 H 0.075      
5 H 0.071      
6 H 0.075      
7 C -0.054      
8 H 0.082      
9 H 0.082      
10 C -0.234      
11 H 0.064      
12 H 0.054      
13 H 0.064      
14 C -0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.474 3.291 -0.000 4.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.000 3.610 0.001
y 3.610 -44.403 0.000
z 0.001 0.000 -43.786
Traceless
 xyz
x -1.906 3.610 0.001
y 3.610 0.490 0.000
z 0.001 0.000 1.415
Polar
3z2-r22.830
x2-y2-1.597
xy3.610
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> 252.429
(<r2>)1/2 15.888