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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-628.372240
Energy at 298.15K-628.380582
Nuclear repulsion energy294.597389
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 3119 3060 1.11      
2 A 3089 3031 8.84      
3 A 3086 3028 8.43      
4 A 3070 3013 1.22      
5 A 3047 2990 4.01      
6 A 2998 2941 17.10      
7 A 2992 2936 6.90      
8 A 2989 2933 5.82      
9 A 1796 1763 269.21      
10 A 1447 1420 5.75      
11 A 1436 1409 14.13      
12 A 1421 1395 0.58      
13 A 1409 1383 19.25      
14 A 1390 1364 23.65      
15 A 1360 1335 11.70      
16 A 1317 1292 46.67      
17 A 1246 1223 17.45      
18 A 1221 1198 0.10      
19 A 1129 1108 156.65      
20 A 1073 1053 14.11      
21 A 1009 991 0.01      
22 A 987 968 6.16      
23 A 973 954 3.55      
24 A 924 907 15.53      
25 A 769 755 8.64      
26 A 704 691 0.67      
27 A 642 630 55.74      
28 A 500 491 1.00      
29 A 433 425 3.17      
30 A 371 364 1.69      
31 A 304 298 1.29      
32 A 262 257 0.09      
33 A 162 159 1.00      
34 A 156 153 0.52      
35 A 98 96 0.42      
36 A 49 48 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24487.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 24029.9 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
0.21555 0.05562 0.04535

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 2.364 -0.795 0.000
C2 1.396 -0.066 0.000
S3 -0.226 -0.813 -0.000
H4 0.969 1.850 -0.887
H5 2.532 1.716 -0.001
H6 0.970 1.850 0.887
C7 1.471 1.426 -0.000
H8 -1.209 1.208 0.892
H9 -1.210 1.208 -0.893
C10 -1.386 0.582 -0.000
H11 -2.979 -0.587 -0.890
H12 -3.526 0.857 0.000
H13 -2.979 -0.587 0.891
C14 -2.792 0.035 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.21162.59003.11912.51723.11882.39394.19274.19303.99505.42046.11705.42025.2220
C21.21161.78632.15402.11322.15391.49393.03483.03512.85704.49535.00794.49514.1893
S32.59001.78633.05103.74233.05142.81022.41882.41881.81492.90193.69842.90202.7023
H43.11912.15403.05101.80121.77361.10362.88512.27162.81784.63994.68824.96834.2692
H52.51722.11323.74231.80121.80121.09923.87963.87984.07856.03866.11826.03855.5826
H63.11882.15393.05141.77361.80121.10362.27192.88612.81854.96904.68874.64014.2697
C72.39391.49392.81021.10361.09921.10362.83402.83432.97954.96515.02974.96494.4845
H84.19273.03482.41882.88513.87962.27192.83401.78491.10413.08732.50702.52062.1624
H94.19303.03512.41882.27163.87982.88612.83431.78491.10412.52062.50693.08732.1624
C103.99502.85701.81492.81784.07852.81852.97951.10411.10412.16742.15732.16741.5085
H115.42044.49532.90194.63996.03864.96904.96513.08732.52062.16741.78241.78061.1021
H126.11705.00793.69844.68826.11824.68875.02972.50702.50692.15731.78241.78241.1020
H135.42024.49512.90204.96836.03854.64014.96492.52063.08732.16741.78061.78241.1021
C145.22204.18932.70234.26925.58264.26974.48452.16242.16241.50851.10211.10201.1021

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 118.257 O1 C2 C7 124.125
C2 S3 C10 104.992 C2 C7 H4 111.149
C2 C7 H5 108.194 C2 C7 H6 111.143
S3 C2 C7 117.619 S3 C10 H8 109.493
S3 C10 H9 109.493 S3 C10 C14 108.445
H4 C7 H5 109.709 H4 C7 H6 106.933
H5 C7 H6 109.706 H8 C10 H9 107.861
H8 C10 C14 110.767 H9 C10 C14 110.767
C10 C14 H11 111.289 C10 C14 H12 110.490
C10 C14 H13 111.289 H11 C14 H12 107.934
H11 C14 H13 107.760 H12 C14 H13 107.934
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 -0.367      
2 C 0.210      
3 S 0.146      
4 H 0.170      
5 H 0.183      
6 H 0.170      
7 C -0.485      
8 H 0.172      
9 H 0.172      
10 C -0.419      
11 H 0.169      
12 H 0.154      
13 H 0.169      
14 C -0.445      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.648 3.383 -0.000 4.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.052 3.601 -0.001
y 3.601 -44.295 0.000
z -0.001 0.000 -43.845
Traceless
 xyz
x -1.982 3.601 -0.001
y 3.601 0.654 0.000
z -0.001 0.000 1.328
Polar
3z2-r22.656
x2-y2-1.757
xy3.601
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.165 0.031 0.000
y 0.031 9.050 -0.000
z 0.000 -0.000 6.649


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