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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-630.257916
Energy at 298.15K-630.266144
Nuclear repulsion energy290.664404
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/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 3086 3054 9.24      
2 A 3062 3030 29.51      
3 A 3049 3017 7.35      
4 A 3047 3015 23.21      
5 A 3033 3002 1.61      
6 A 2987 2956 23.19      
7 A 2980 2949 1.17      
8 A 2978 2947 27.17      
9 A 1734 1716 293.40      
10 A 1473 1458 4.67      
11 A 1464 1449 13.02      
12 A 1447 1432 0.19      
13 A 1440 1425 16.33      
14 A 1428 1413 24.08      
15 A 1379 1365 7.61      
16 A 1340 1326 24.76      
17 A 1270 1257 27.33      
18 A 1247 1234 0.29      
19 A 1109 1098 149.58      
20 A 1053 1042 8.31      
21 A 1026 1015 0.69      
22 A 992 981 1.76      
23 A 976 966 5.02      
24 A 916 907 54.68      
25 A 778 770 8.29      
26 A 668 661 0.16      
27 A 614 608 69.11      
28 A 495 490 0.81      
29 A 427 422 3.29      
30 A 360 357 1.33      
31 A 292 289 1.52      
32 A 259 257 0.05      
33 A 151 150 0.91      
34 A 132 131 0.15      
35 A 89 88 0.38      
36 A 52 52 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24416.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 24162.8 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/6-311G*
ABC
0.21165 0.05349 0.04376

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.375 -0.830 0.000
C2 1.427 -0.073 -0.000
S3 -0.235 -0.810 0.000
H4 1.065 1.876 -0.887
H5 2.613 1.697 -0.001
H6 1.066 1.876 0.887
C7 1.547 1.437 -0.000
H8 -1.258 1.218 0.893
H9 -1.259 1.218 -0.893
C10 -1.427 0.598 -0.000
H11 -3.039 -0.579 -0.890
H12 -3.578 0.864 0.000
H13 -3.039 -0.579 0.890
C14 -2.849 0.039 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21282.60973.13412.53763.13372.41274.26514.26534.06095.49216.18895.49205.2949
C21.21281.81782.17162.13052.17151.51433.11063.11072.93174.58185.09184.58174.2769
S32.60971.81783.11263.79393.11302.86722.44072.44071.84432.95093.73862.95092.7479
H43.13412.17163.11261.79311.77451.10102.99972.41502.93784.78244.83405.10164.4133
H52.53762.13053.79391.79311.79311.09744.00214.00224.18716.15786.24696.15785.7078
H63.13372.17153.11301.77451.79311.10102.41553.00092.93865.10244.83474.78274.4139
C72.41271.51432.86721.10101.09741.10102.95222.95253.09025.08805.15685.08784.6124
H84.26513.11062.44072.99974.00212.41552.95221.78561.10023.09492.51032.52982.1715
H94.26533.11072.44072.41504.00223.00092.95251.78561.10022.52982.51033.09492.1715
C104.06092.93171.84432.93784.18712.93863.09021.10021.10022.18522.16732.18521.5273
H115.49214.58182.95094.78246.15785.10245.08803.09492.52982.18521.77911.77981.1001
H126.18895.09183.73864.83406.24694.83475.15682.51032.51032.16731.77911.77911.1013
H135.49204.58172.95095.10166.15784.78275.08782.52983.09492.18521.77981.77911.1001
C145.29494.27692.74794.41335.70784.41394.61242.17152.17151.52731.10011.10131.1001

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 117.488 O1 C2 C7 124.056
C2 S3 C10 106.362 C2 C7 H4 111.286
C2 C7 H5 108.258 C2 C7 H6 111.279
S3 C2 C7 118.457 S3 C10 H8 109.353
S3 C10 H9 109.352 S3 C10 C14 108.811
H4 C7 H5 109.301 H4 C7 H6 107.391
H5 C7 H6 109.298 H8 C10 H9 108.479
H8 C10 C14 110.414 H9 C10 C14 110.414
C10 C14 H11 111.510 C10 C14 H12 110.020
C10 C14 H13 111.510 H11 C14 H12 107.834
H11 C14 H13 107.982 H12 C14 H13 107.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.255      
2 C 0.134      
3 S 0.148      
4 H 0.245      
5 H 0.252      
6 H 0.245      
7 C -0.716      
8 H 0.251      
9 H 0.251      
10 C -0.610      
11 H 0.238      
12 H 0.228      
13 H 0.238      
14 C -0.648      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.463 3.402 -0.000 4.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.683 3.577 -0.001
y 3.577 -45.528 0.000
z -0.001 0.000 -44.772
Traceless
 xyz
x -1.533 3.577 -0.001
y 3.577 0.199 0.000
z -0.001 0.000 1.334
Polar
3z2-r22.668
x2-y2-1.154
xy3.577
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.148 0.121 -0.000
y 0.121 9.897 -0.000
z -0.000 -0.000 6.780


<r2> (average value of r2) Å2
<r2> 255.150
(<r2>)1/2 15.973