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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-630.564273
Energy at 298.15K-630.572562
Nuclear repulsion energy286.404651
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 B3LYP/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 3168 3048 7.77      
2 A 3160 3040 30.28      
3 A 3134 3015 0.21      
4 A 3132 3013 7.30      
5 A 3127 3009 24.24      
6 A 3089 2971 15.38      
7 A 3059 2943 1.64      
8 A 3053 2937 25.80      
9 A 1725 1659 276.98      
10 A 1548 1489 5.76      
11 A 1538 1480 10.95      
12 A 1527 1469 0.52      
13 A 1520 1462 18.88      
14 A 1505 1448 30.88      
15 A 1467 1411 6.73      
16 A 1436 1382 23.92      
17 A 1326 1276 33.64      
18 A 1300 1251 0.06      
19 A 1156 1112 140.64      
20 A 1098 1056 4.90      
21 A 1068 1027 0.53      
22 A 1061 1021 3.02      
23 A 1012 973 9.05      
24 A 963 926 63.52      
25 A 819 788 6.88      
26 A 641 617 1.34      
27 A 604 581 81.44      
28 A 506 486 2.28      
29 A 434 418 4.71      
30 A 359 346 1.18      
31 A 296 285 1.45      
32 A 249 239 0.07      
33 A 150 144 1.09      
34 A 139 134 0.25      
35 A 78 75 0.34      
36 A 55 53 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25249.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 24290.4 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 B3LYP/6-31G
ABC
0.20652 0.05162 0.04228

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.437 -0.805 -0.000
C2 1.463 -0.057 -0.000
S3 -0.237 -0.846 0.000
H4 1.062 1.873 -0.884
H5 2.606 1.734 -0.001
H6 1.064 1.872 0.886
C7 1.551 1.450 0.000
H8 -1.288 1.220 0.890
H9 -1.288 1.218 -0.892
C10 -1.471 0.614 -0.000
H11 -3.074 -0.570 -0.886
H12 -3.617 0.869 -0.001
H13 -3.074 -0.567 0.888
C14 -2.891 0.047 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22802.67433.13672.54443.13592.42214.33164.33154.15735.58636.28065.58725.3952
C21.22801.87452.15942.12402.15931.50863.16033.16063.00974.65115.16354.65154.3551
S32.67431.87453.13973.83883.14052.90972.48202.48201.91092.98463.78952.98562.7996
H43.13672.15943.13971.78381.76971.09543.01562.43932.96344.80324.86605.11844.4428
H52.54442.12403.83881.78381.78381.09234.02714.02754.22806.19266.28256.19255.7496
H63.13592.15933.14051.76971.78381.09542.44063.01992.96585.12094.86884.80364.4448
C72.42211.50862.90971.09541.09231.09542.98392.98503.13575.12395.20065.12344.6582
H84.33163.16032.48203.01564.02712.44062.98391.78211.09283.08962.51852.52672.1766
H94.33153.16062.48202.43934.02753.01992.98501.78211.09282.52732.51783.08962.1766
C104.15733.00971.91092.96344.22802.96583.13571.09281.09282.18012.16092.18011.5287
H115.58634.65112.98464.80326.19265.12095.12393.08962.52732.18011.77351.77321.0946
H126.28065.16353.78954.86606.28254.86885.20062.51852.51782.16091.77351.77351.0965
H135.58724.65152.98565.11846.19254.80365.12342.52673.08962.18011.77321.77351.0946
C145.39524.35512.79964.44285.74964.44484.65822.17662.17661.52871.09461.09651.0946

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 117.561 O1 C2 C7 124.196
C2 S3 C10 105.322 C2 C7 H4 111.054
C2 C7 H5 108.440 C2 C7 H6 111.043
S3 C2 C7 118.242 S3 C10 H8 108.351
S3 C10 H9 108.349 S3 C10 C14 108.457
H4 C7 H5 109.257 H4 C7 H6 107.765
H5 C7 H6 109.254 H8 C10 H9 109.253
H8 C10 C14 111.171 H9 C10 C14 111.171
C10 C14 H11 111.342 C10 C14 H12 109.702
C10 C14 H13 111.342 H11 C14 H12 108.076
H11 C14 H13 108.185 H12 C14 H13 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.381      
2 C 0.125      
3 S 0.249      
4 H 0.174      
5 H 0.188      
6 H 0.174      
7 C -0.466      
8 H 0.174      
9 H 0.174      
10 C -0.481      
11 H 0.163      
12 H 0.149      
13 H 0.163      
14 C -0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.622 3.966 0.000 4.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.094 4.259 0.003
y 4.259 -45.380 0.000
z 0.003 0.000 -44.381
Traceless
 xyz
x -2.214 4.259 0.003
y 4.259 0.357 0.000
z 0.003 0.000 1.856
Polar
3z2-r23.712
x2-y2-1.714
xy4.259
xz0.003
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.183 -0.272 0.001
y -0.272 8.767 -0.001
z 0.001 -0.001 6.168


<r2> (average value of r2) Å2
<r2> 262.285
(<r2>)1/2 16.195