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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-628.262752
Energy at 298.15K-628.271095
Nuclear repulsion energy289.963516
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 LSDA/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 3121 3058 2.41      
2 A 3101 3038 15.26      
3 A 3087 3025 11.39      
4 A 3074 3012 0.69      
5 A 3068 3006 3.83      
6 A 3011 2949 15.75      
7 A 2997 2936 15.91      
8 A 2991 2930 0.91      
9 A 1731 1696 253.83      
10 A 1484 1454 10.45      
11 A 1473 1443 18.35      
12 A 1458 1429 0.30      
13 A 1450 1420 27.09      
14 A 1429 1400 38.82      
15 A 1405 1377 19.97      
16 A 1369 1342 45.17      
17 A 1275 1249 19.17      
18 A 1249 1224 0.19      
19 A 1142 1119 167.42      
20 A 1094 1072 6.61      
21 A 1032 1011 0.00      
22 A 1015 995 13.62      
23 A 1015 994 5.12      
24 A 955 936 23.62      
25 A 796 780 11.37      
26 A 663 650 0.10      
27 A 616 604 70.71      
28 A 504 494 0.77      
29 A 432 423 4.48      
30 A 364 357 1.07      
31 A 304 298 1.80      
32 A 257 252 0.05      
33 A 162 159 0.74      
34 A 160 157 1.06      
35 A 89 87 0.46      
36 A 48 47 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24711.4 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 24209.8 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 LSDA/6-31G
ABC
0.20988 0.05367 0.04381

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.432 -0.769 -0.000
C2 1.437 -0.047 -0.000
S3 -0.227 -0.850 0.000
H4 0.948 1.850 -0.889
H5 2.510 1.775 -0.001
H6 0.949 1.850 0.889
C7 1.462 1.440 -0.000
H8 -1.237 1.210 0.896
H9 -1.238 1.209 -0.897
C10 -1.428 0.594 -0.000
H11 -3.017 -0.583 -0.891
H12 -3.568 0.862 0.000
H13 -3.016 -0.583 0.892
C14 -2.831 0.040 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22912.65993.13812.54473.13782.41244.26394.26414.09305.52426.21735.52415.3246
C21.22911.84692.15102.11482.15091.48753.08783.08802.93544.57345.08654.57334.2687
S32.65991.84693.07493.79203.07522.84502.46282.46281.87772.94103.75402.94102.7519
H43.13812.15103.07491.79891.77731.10522.89302.27732.83004.65144.70684.98024.2830
H52.54472.11483.79201.79891.79891.10063.89483.89504.11136.07476.14626.07465.6160
H63.13782.15093.07521.77731.79891.10522.27772.89442.83084.98104.70754.65164.2836
C72.41241.48752.84501.10521.10061.10522.85352.85393.01094.99465.06264.99444.5154
H84.26393.08782.46282.89303.89482.27772.85351.79301.10403.09442.52072.52552.1704
H94.26413.08802.46282.27733.89502.89442.85391.79301.10402.52552.52073.09442.1704
C104.09302.93541.87772.83004.11132.83083.01091.10401.10402.16912.15682.16901.5087
H115.52424.57342.94104.65146.07474.98104.99463.09442.52552.16911.78531.78331.1034
H126.21735.08653.75404.70686.14624.70755.06262.52072.52072.15681.78531.78531.1041
H135.52414.57332.94104.98026.07464.65164.99442.52553.09442.16901.78331.78531.1034
C145.32464.26872.75194.28305.61604.28364.51542.17042.17041.50871.10341.10411.1034

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 118.308 O1 C2 C7 124.978
C2 S3 C10 104.011 C2 C7 H4 111.266
C2 C7 H5 108.669 C2 C7 H6 111.262
S3 C2 C7 116.714 S3 C10 H8 108.573
S3 C10 H9 108.572 S3 C10 C14 108.214
H4 C7 H5 109.280 H4 C7 H6 107.049
H5 C7 H6 109.277 H8 C10 H9 108.592
H8 C10 C14 111.405 H9 C10 C14 111.405
C10 C14 H11 111.334 C10 C14 H12 110.309
C10 C14 H13 111.333 H11 C14 H12 107.948
H11 C14 H13 107.827 H12 C14 H13 107.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.335      
2 C 0.056      
3 S 0.290      
4 H 0.204      
5 H 0.218      
6 H 0.204      
7 C -0.556      
8 H 0.204      
9 H 0.204      
10 C -0.561      
11 H 0.197      
12 H 0.182      
13 H 0.197      
14 C -0.504      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.746 3.846 -0.000 4.725
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.994 3.999 0.000
y 3.999 -44.937 0.000
z 0.000 0.000 -44.276
Traceless
 xyz
x -2.387 3.999 0.000
y 3.999 0.698 0.000
z 0.000 0.000 1.689
Polar
3z2-r23.379
x2-y2-2.057
xy3.999
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.360 -0.087 -0.000
y -0.087 8.910 -0.000
z -0.000 -0.000 6.315


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000