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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-628.629250
Energy at 298.15K-628.638038
HF Energy-628.629250
Nuclear repulsion energy294.834538
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 HF/Def2TZVPP
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 3283 2976 13.10      
2 A 3263 2957 37.63      
3 A 3250 2946 1.42      
4 A 3234 2932 39.06      
5 A 3232 2929 8.45      
6 A 3205 2905 16.12      
7 A 3186 2888 1.42      
8 A 3170 2874 29.48      
9 A 1945 1763 425.21      
10 A 1620 1468 2.25      
11 A 1612 1462 2.65      
12 A 1611 1460 9.03      
13 A 1599 1449 11.85      
14 A 1583 1435 17.32      
15 A 1540 1396 2.19      
16 A 1518 1376 16.33      
17 A 1423 1289 25.43      
18 A 1381 1251 0.01      
19 A 1255 1138 161.56      
20 A 1158 1049 2.54      
21 A 1136 1030 0.22      
22 A 1122 1017 1.76      
23 A 1052 954 4.91      
24 A 1029 932 47.66      
25 A 853 773 2.62      
26 A 755 684 0.84      
27 A 695 630 59.33      
28 A 567 514 5.52      
29 A 494 447 5.27      
30 A 402 364 3.35      
31 A 325 294 0.70      
32 A 260 236 0.14      
33 A 173 157 1.39      
34 A 167 151 0.01      
35 A 82 74 0.48      
36 A 64 58 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 26620.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 24128.4 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 HF/Def2TZVPP
ABC
0.21754 0.05484 0.04488

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.304 -0.848 -0.000
C2 1.400 -0.088 0.000
S3 -0.242 -0.780 0.000
H4 1.163 1.846 -0.876
H5 2.674 1.591 -0.001
H6 1.163 1.846 0.876
C7 1.612 1.400 -0.000
H8 -1.262 1.218 0.877
H9 -1.262 1.217 -0.877
C10 -1.419 0.608 -0.000
H11 -3.016 -0.561 -0.876
H12 -3.553 0.859 -0.000
H13 -3.016 -0.561 0.877
C14 -2.836 0.047 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.18172.54703.05472.46673.05462.35254.21374.21363.99775.40016.10055.40015.2172
C21.18171.78102.13672.10762.13661.50313.09133.09152.90284.52695.04174.52684.2372
S32.54701.78103.10393.75743.10442.86112.40782.40781.81972.91803.69392.91802.7224
H43.05472.13673.10391.76501.75191.08073.05692.50482.99354.82284.89635.13124.4707
H52.46672.10763.75741.76501.76501.07904.04964.04954.20856.14626.26926.14635.7214
H63.05462.13663.10441.75191.76501.08072.50573.05812.99455.13224.89734.82354.4717
C72.35251.50312.86111.08071.07901.08073.01013.01023.13205.10245.19265.10244.6485
H84.21373.09132.40783.05694.04962.50573.01011.75351.07893.05202.47862.49822.1479
H94.21363.09152.40782.50484.04953.05813.01021.75351.07892.49822.47863.05202.1479
C103.99772.90281.81972.99354.20852.99453.13201.07891.07892.16552.14862.16551.5240
H115.40014.52692.91804.82286.14625.13225.10243.05202.49822.16551.75251.75301.0822
H126.10055.04173.69394.89636.26924.89735.19262.47862.47862.14861.75251.75251.0828
H135.40014.52682.91805.13126.14634.82355.10242.49823.05202.16551.75301.75251.0822
C145.21724.23722.72244.47075.72144.47174.64852.14792.14791.52401.08221.08281.0822

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 117.117 O1 C2 C7 121.918
C2 S3 C10 107.447 C2 C7 H4 110.505
C2 C7 H5 108.298 C2 C7 H6 110.499
S3 C2 C7 120.965 S3 C10 H8 109.679
S3 C10 H9 109.679 S3 C10 C14 108.687
H4 C7 H5 109.620 H4 C7 H6 108.293
H5 C7 H6 109.618 H8 C10 H9 108.708
H8 C10 C14 110.039 H9 C10 C14 110.039
C10 C14 H11 111.251 C10 C14 H12 109.863
C10 C14 H13 111.251 H11 C14 H12 108.092
H11 C14 H13 108.178 H12 C14 H13 108.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.398      
2 C 0.267      
3 S -0.010      
4 H 0.071      
5 H 0.118      
6 H 0.072      
7 C -0.188      
8 H 0.061      
9 H 0.061      
10 C -0.078      
11 H 0.072      
12 H 0.064      
13 H 0.072      
14 C -0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.812 3.745 -0.000 4.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.718 4.447 -0.000
y 4.447 -45.619 0.000
z -0.000 0.000 -44.393
Traceless
 xyz
x -2.712 4.447 -0.000
y 4.447 0.437 0.000
z -0.000 0.000 2.275
Polar
3z2-r24.550
x2-y2-2.100
xy4.447
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.848 -0.272 0.000
y -0.272 9.483 -0.000
z 0.000 -0.000 7.364


<r2> (average value of r2) Å2
<r2> 249.810
(<r2>)1/2 15.805