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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-628.362592
Energy at 298.15K-628.370933
Nuclear repulsion energy294.499105
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 3117 3059 1.47      
2 A 3088 3030 9.78      
3 A 3084 3026 9.49      
4 A 3069 3011 1.48      
5 A 3046 2989 4.19      
6 A 3000 2944 17.36      
7 A 2994 2938 6.51      
8 A 2992 2936 7.12      
9 A 1797 1764 268.71      
10 A 1464 1436 6.26      
11 A 1454 1427 15.06      
12 A 1439 1412 0.60      
13 A 1427 1400 20.27      
14 A 1410 1383 25.15      
15 A 1376 1350 12.81      
16 A 1334 1309 44.02      
17 A 1259 1236 18.35      
18 A 1232 1209 0.13      
19 A 1136 1115 157.90      
20 A 1079 1059 13.44      
21 A 1020 1001 0.03      
22 A 994 975 6.16      
23 A 984 966 3.75      
24 A 932 914 18.27      
25 A 776 762 8.92      
26 A 706 692 0.64      
27 A 644 631 56.17      
28 A 502 492 1.01      
29 A 433 425 3.12      
30 A 371 364 1.65      
31 A 304 299 1.30      
32 A 265 260 0.09      
33 A 163 160 0.97      
34 A 157 154 0.51      
35 A 98 96 0.41      
36 A 46 45 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24593.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 24133.4 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 LSDA/6-31G*
ABC
0.21543 0.05559 0.04533

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 2.363 -0.798 0.000
C2 1.397 -0.067 0.000
S3 -0.227 -0.812 -0.000
H4 0.973 1.851 -0.888
H5 2.535 1.717 -0.001
H6 0.973 1.852 0.888
C7 1.474 1.426 -0.000
H8 -1.213 1.211 0.893
H9 -1.214 1.211 -0.893
C10 -1.387 0.584 -0.000
H11 -2.978 -0.590 -0.891
H12 -3.528 0.855 0.000
H13 -2.977 -0.589 0.892
C14 -2.792 0.033 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21152.59003.12112.52063.12082.39494.19814.19843.99675.41896.11885.41875.2219
C21.21151.78642.15612.11602.15601.49493.04043.04072.85904.49515.01064.49484.1902
S32.59001.78643.05283.74463.05332.81072.42152.42151.81532.90023.69832.90022.7010
H43.12112.15613.05281.80171.77541.10462.89072.27792.82144.64394.69434.97264.2739
H52.52062.11603.74461.80171.80171.10023.88613.88634.08216.04186.12406.04175.5867
H63.12082.15603.05331.77541.80171.10462.27822.89212.82224.97344.69504.64404.2745
C72.39491.49492.81071.10461.10021.10462.83962.84002.98204.96735.03444.96704.4875
H84.19813.04042.42152.89073.88612.27822.83961.78581.10483.08852.50642.52112.1626
H94.19843.04072.42152.27793.88632.89212.84001.78581.10482.52112.50643.08852.1626
C103.99672.85901.81532.82144.08212.82222.98201.10481.10482.16862.15822.16861.5093
H115.41894.49512.90024.64396.04184.97344.96733.08852.52112.16861.78441.78241.1031
H126.11885.01063.69834.69436.12404.69505.03442.50642.50642.15821.78441.78441.1031
H135.41874.49482.90024.97266.04174.64404.96702.52113.08852.16861.78241.78441.1031
C145.22194.19022.70104.27395.58674.27454.48752.16262.16261.50931.10311.10311.1031

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 118.256 O1 C2 C7 124.149
C2 S3 C10 105.080 C2 C7 H4 111.195
C2 C7 H5 108.288 C2 C7 H6 111.189
S3 C2 C7 117.595 S3 C10 H8 109.641
S3 C10 H9 109.641 S3 C10 C14 108.317
H4 C7 H5 109.601 H4 C7 H6 106.956
H5 C7 H6 109.598 H8 C10 H9 107.844
H8 C10 C14 110.695 H9 C10 C14 110.695
C10 C14 H11 111.272 C10 C14 H12 110.447
C10 C14 H13 111.272 H11 C14 H12 107.960
H11 C14 H13 107.788 H12 C14 H13 107.961
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 -0.366      
2 C 0.227      
3 S 0.145      
4 H 0.206      
5 H 0.221      
6 H 0.206      
7 C -0.611      
8 H 0.206      
9 H 0.206      
10 C -0.484      
11 H 0.203      
12 H 0.190      
13 H 0.203      
14 C -0.552      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.650 3.389 -0.000 4.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.080 3.562 -0.000
y 3.562 -44.318 0.000
z -0.000 0.000 -43.819
Traceless
 xyz
x -2.012 3.562 -0.000
y 3.562 0.631 0.000
z -0.000 0.000 1.381
Polar
3z2-r22.761
x2-y2-1.762
xy3.562
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.054 0.018 0.000
y 0.018 8.973 0.000
z 0.000 0.000 6.586


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