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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-630.267334
Energy at 298.15K-630.275787
Nuclear repulsion energy293.099414
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 HSEh1PBE/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 3197 3041 5.00      
2 A 3171 3016 21.30      
3 A 3161 3006 17.50      
4 A 3159 3004 4.64      
5 A 3144 2989 1.75      
6 A 3092 2941 19.02      
7 A 3082 2931 0.78      
8 A 3081 2930 20.56      
9 A 1832 1742 300.90      
10 A 1530 1455 3.76      
11 A 1522 1447 10.92      
12 A 1511 1437 1.53      
13 A 1500 1426 15.79      
14 A 1485 1413 20.51      
15 A 1440 1369 6.06      
16 A 1405 1336 26.87      
17 A 1324 1259 24.27      
18 A 1291 1228 0.04      
19 A 1169 1112 165.75      
20 A 1096 1042 8.07      
21 A 1067 1015 0.09      
22 A 1034 983 3.05      
23 A 1016 966 3.93      
24 A 965 918 37.57      
25 A 804 765 6.11      
26 A 716 680 0.27      
27 A 655 623 60.47      
28 A 518 493 2.35      
29 A 452 429 3.31      
30 A 379 361 1.84      
31 A 307 292 1.01      
32 A 263 250 0.10      
33 A 161 153 1.08      
34 A 149 142 0.17      
35 A 90 86 0.30      
36 A 56 53 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25410.9 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 24165.8 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 HSEh1PBE/6-31G*
ABC
0.21431 0.05458 0.04460

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -2.057 -0.959 -0.001
C2 -1.150 -0.118 -0.001
S3 0.199 -0.572 0.001
H4 -1.141 1.790 0.887
H5 -2.620 1.373 -0.001
H6 -1.138 1.793 -0.886
C7 -1.531 1.292 0.002
H8 1.112 1.177 -0.892
H9 1.110 1.174 0.892
C10 1.220 0.555 -0.002
H11 2.768 -0.666 0.890
H12 3.376 0.753 0.000
H13 2.771 -0.664 -0.889
C14 2.633 -0.048 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.23632.28923.03002.39813.03252.31133.92363.92183.60954.91605.69624.91814.7782
C21.23631.42382.10402.09292.10591.46042.75492.75282.46394.05604.60934.05793.7846
S32.28921.42382.85573.42422.85732.54282.16522.16161.52012.72043.44182.72322.4901
H43.03002.10402.85571.77451.77271.08792.93482.33362.80834.61644.71804.94724.2902
H52.39812.09293.42421.77451.77621.09193.84123.84043.92555.82936.02735.83075.4416
H63.03252.10592.85731.77271.77621.09192.33242.93212.80574.94554.71594.61704.2890
C72.31131.46042.54281.08791.09191.09192.79182.78962.84764.80694.93604.80884.3743
H83.92362.75492.16522.93483.84122.33242.79181.78401.09113.05242.47032.47852.1475
H93.92182.75282.16162.33363.84042.93212.78961.78401.09332.47722.47083.05092.1467
C103.60952.46391.52012.80833.92552.80572.84761.09111.09332.16452.16512.16281.5367
H114.91604.05602.72044.61645.82934.94554.80693.05242.47722.16451.78161.77841.0918
H125.69624.60933.44184.71806.02734.71594.93602.47032.47082.16511.78161.77841.0919
H134.91814.05792.72324.94725.83074.61704.80882.47853.05092.16281.77841.77841.0902
C144.77823.78462.49014.29025.44164.28904.37432.14752.14671.53671.09181.09191.0902

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 118.592 O1 C2 C7 117.740
C2 S3 C10 113.600 C2 C7 H4 110.450
C2 C7 H5 109.324 C2 C7 H6 110.358
S3 C2 C7 123.668 S3 C10 H8 110.963
S3 C10 H9 110.546 S3 C10 C14 109.093
H4 C7 H5 108.997 H4 C7 H6 108.826
H5 C7 H6 108.852 H8 C10 H9 109.511
H8 C10 C14 108.422 H9 C10 C14 108.235
C10 C14 H11 109.706 C10 C14 H12 109.752
C10 C14 H13 109.668 H11 C14 H12 109.345
H11 C14 H13 109.181 H12 C14 H13 109.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.413      
2 C 0.268      
3 S 0.155      
4 H 0.202      
5 H 0.220      
6 H 0.202      
7 C -0.597      
8 H 0.204      
9 H 0.204      
10 C -0.495      
11 H 0.197      
12 H 0.186      
13 H 0.197      
14 C -0.530      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.567 3.496 -0.000 4.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.080 3.727 0.001
y 3.727 -44.535 0.000
z 0.001 0.000 -43.824
Traceless
 xyz
x -1.900 3.727 0.001
y 3.727 0.417 0.000
z 0.001 0.000 1.484
Polar
3z2-r22.967
x2-y2-1.545
xy3.727
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.521 -0.122 0.000
y -0.122 8.712 0.000
z 0.000 0.000 6.466


<r2> (average value of r2) Å2
<r2> 250.428
(<r2>)1/2 15.825