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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-630.207487
Energy at 298.15K-630.215716
Nuclear repulsion energy290.012255
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3099 3081 5.03      
2 A 3070 3052 17.68      
3 A 3062 3044 3.91      
4 A 3059 3041 14.03      
5 A 3037 3019 3.65      
6 A 2982 2965 17.46      
7 A 2980 2963 1.62      
8 A 2977 2960 24.83      
9 A 1744 1733 280.41      
10 A 1426 1417 2.84      
11 A 1413 1405 9.48      
12 A 1405 1397 0.23      
13 A 1393 1385 11.50      
14 A 1378 1370 18.17      
15 A 1343 1335 2.54      
16 A 1303 1296 23.16      
17 A 1227 1220 24.07      
18 A 1215 1208 0.18      
19 A 1101 1094 158.74      
20 A 1046 1040 6.54      
21 A 992 986 0.02      
22 A 970 964 4.48      
23 A 968 963 2.23      
24 A 912 907 40.16      
25 A 763 758 5.38      
26 A 667 663 0.08      
27 A 615 612 66.02      
28 A 495 492 0.61      
29 A 421 418 2.67      
30 A 358 356 1.15      
31 A 291 289 1.08      
32 A 250 249 0.04      
33 A 151 151 0.72      
34 A 149 148 0.28      
35 A 92 91 0.33      
36 A 56 56 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 24203.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 24063.2 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 PBEPBE/cc-pVDZ
ABC
0.21094 0.05330 0.04362

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.387 -0.823 0.001
C2 1.430 -0.070 0.000
S3 -0.232 -0.814 -0.000
H4 1.042 1.873 -0.893
H5 2.608 1.714 -0.000
H6 1.042 1.873 0.892
C7 1.537 1.441 -0.000
H8 -1.252 1.218 0.900
H9 -1.252 1.219 -0.898
C10 -1.430 0.594 0.000
H11 -3.044 -0.585 -0.897
H12 -3.586 0.871 0.001
H13 -3.044 -0.586 0.896
C14 -2.853 0.038 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21802.61893.14282.54723.14282.41854.26824.26874.07145.51016.20845.50985.3108
C21.21801.82102.17312.13772.17301.51443.10823.10832.93604.59245.10334.59234.2850
S32.61891.82103.10433.80203.10472.86582.44532.44521.84832.96063.75322.96062.7565
H43.14282.17313.10431.80971.78541.10862.98392.38502.92294.76804.81825.09324.3973
H52.54722.13773.80201.80971.80971.10523.99433.99364.19046.16726.25076.16775.7127
H63.14282.17303.10471.78541.80971.10862.38542.98212.92255.09274.81784.76884.3972
C72.41851.51442.86581.10861.10521.10862.93902.93823.08555.08865.15435.08914.6091
H84.26823.10822.44532.98393.99432.38542.93901.79751.10903.11262.52482.54282.1831
H94.26873.10832.44522.38503.99362.98212.93821.79751.10902.54292.52483.11262.1831
C104.07142.93601.84832.92294.19042.92253.08551.10901.10902.19082.17362.19081.5281
H115.51014.59242.96064.76806.16725.09275.08863.11262.54292.19081.79361.79281.1084
H126.20845.10333.75324.81826.25074.81785.15432.52482.52482.17361.79361.79361.1090
H135.50984.59232.96065.09326.16774.76885.08912.54283.11262.19081.79281.79361.1084
C145.31084.28502.75654.39735.71274.39724.60912.18312.18311.52811.10841.10901.1084

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 117.660 O1 C2 C7 124.175
C2 S3 C10 106.285 C2 C7 H4 110.939
C2 C7 H5 108.371 C2 C7 H6 110.933
S3 C2 C7 118.165 S3 C10 H8 108.975
S3 C10 H9 108.975 S3 C10 C14 109.087
H4 C7 H5 109.664 H4 C7 H6 107.263
H5 C7 H6 109.661 H8 C10 H9 108.265
H8 C10 C14 110.750 H9 C10 C14 110.750
C10 C14 H11 111.397 C10 C14 H12 110.006
C10 C14 H13 111.397 H11 C14 H12 107.980
H11 C14 H13 107.946 H12 C14 H13 107.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.170      
2 C -0.039      
3 S 0.008      
4 H 0.065      
5 H 0.055      
6 H 0.065      
7 C -0.023      
8 H 0.071      
9 H 0.071      
10 C -0.206      
11 H 0.054      
12 H 0.043      
13 H 0.054      
14 C -0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.378 3.113 -0.000 3.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.042 3.370 -0.003
y 3.370 -44.526 0.001
z -0.003 0.001 -44.056
Traceless
 xyz
x -1.751 3.370 -0.003
y 3.370 0.523 0.001
z -0.003 0.001 1.228
Polar
3z2-r22.456
x2-y2-1.516
xy3.370
xz-0.003
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.001 0.111 0.000
y 0.111 9.449 0.000
z 0.000 0.000 6.579


<r2> (average value of r2) Å2
<r2> 255.351
(<r2>)1/2 15.980