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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-623.151941
Energy at 298.15K-623.159890
Nuclear repulsion energy284.625196
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 BLYP/STO-3G
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 3376 3123 3.50      
2 A 3376 3123 0.35      
3 A 3368 3117 1.71      
4 A 3356 3105 1.09      
5 A 3312 3064 5.51      
6 A 3211 2971 4.30      
7 A 3205 2965 3.15      
8 A 3197 2958 0.19      
9 A 1738 1608 80.53      
10 A 1647 1524 1.96      
11 A 1640 1518 3.88      
12 A 1625 1503 5.81      
13 A 1619 1498 0.00      
14 A 1614 1494 15.04      
15 A 1529 1415 0.55      
16 A 1478 1367 3.05      
17 A 1380 1277 37.23      
18 A 1341 1241 0.05      
19 A 1142 1056 82.91      
20 A 1117 1033 6.77      
21 A 1097 1015 0.64      
22 A 1041 963 3.17      
23 A 1038 960 2.30      
24 A 952 881 51.79      
25 A 827 765 4.00      
26 A 763 706 3.01      
27 A 633 586 18.50      
28 A 473 437 0.28      
29 A 432 400 2.43      
30 A 370 343 0.82      
31 A 306 283 0.41      
32 A 224 207 0.01      
33 A 174 161 0.04      
34 A 172 159 0.55      
35 A 85 79 0.25      
36 A 61 57 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 26459.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 24479.8 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 BLYP/STO-3G
ABC
0.19721 0.05214 0.04225

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.473 -0.800 0.000
C2 1.430 -0.081 -0.000
S3 -0.243 -0.873 -0.000
H4 1.003 1.929 -0.900
H5 2.562 1.812 -0.000
H6 1.003 1.930 0.899
C7 1.497 1.507 -0.000
H8 -1.239 1.217 0.899
H9 -1.239 1.217 -0.898
C10 -1.406 0.582 0.000
H11 -3.092 -0.551 -0.899
H12 -3.588 0.924 0.000
H13 -3.092 -0.552 0.899
C14 -2.888 0.064 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.26672.71703.22742.61313.22732.50454.31824.31844.11715.64206.30135.64195.4294
C21.26671.85112.24322.20572.24311.58913.10033.10032.91194.63405.11764.63394.3198
S32.71701.85113.19613.88333.19622.94802.48262.48261.86193.00413.79703.00412.8053
H43.22742.24323.19611.80381.79941.10972.96152.35282.90354.78794.78585.11494.4079
H52.61312.20573.88331.80381.80381.10843.95133.95114.15466.19386.21456.19395.7235
H63.22732.24313.19621.79941.80381.10972.35292.96112.90345.11474.78574.78814.4079
C72.50451.58912.94801.10971.10841.10972.89422.89403.04665.10885.11845.10894.6158
H84.31823.10032.48262.96153.95132.35292.89421.79691.11273.12912.53232.56112.2032
H94.31843.10032.48262.35283.95112.96112.89401.79691.11272.56112.53233.12912.2032
C104.11712.91191.86192.90354.15462.90343.04661.11271.11272.22152.20912.22151.5696
H115.64204.63403.00414.78796.19385.11475.10883.12912.56112.22151.79811.79851.1088
H126.30135.11763.79704.78586.21454.78575.11842.53232.53232.20911.79811.79811.1093
H135.64194.63393.00415.11496.19394.78815.10892.56113.12912.22151.79851.79811.1088
C145.42944.31982.80534.40795.72354.40794.61582.20322.20321.56961.10881.10931.1088

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 120.088 O1 C2 C7 122.161
C2 S3 C10 103.305 C2 C7 H4 111.197
C2 C7 H5 108.391 C2 C7 H6 111.196
S3 C2 C7 117.751 S3 C10 H8 110.610
S3 C10 H9 110.610 S3 C10 C14 109.380
H4 C7 H5 108.830 H4 C7 H6 108.343
H5 C7 H6 108.829 H8 C10 H9 107.691
H8 C10 C14 109.258 H9 C10 C14 109.257
C10 C14 H11 110.905 C10 C14 H12 109.911
C10 C14 H13 110.905 H11 C14 H12 108.320
H11 C14 H13 108.398 H12 C14 H13 108.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.178      
2 C 0.032      
3 S 0.173      
4 H 0.079      
5 H 0.086      
6 H 0.079      
7 C -0.232      
8 H 0.074      
9 H 0.074      
10 C -0.205      
11 H 0.076      
12 H 0.077      
13 H 0.076      
14 C -0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.893 1.748 -0.000 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.414 2.212 -0.001
y 2.212 -40.622 0.000
z -0.001 0.000 -39.777
Traceless
 xyz
x -3.214 2.212 -0.001
y 2.212 0.973 0.000
z -0.001 0.000 2.241
Polar
3z2-r24.482
x2-y2-2.792
xy2.212
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.179 -0.180 0.000
y -0.180 4.871 0.000
z 0.000 0.000 2.881


<r2> (average value of r2) Å2
<r2> 259.898
(<r2>)1/2 16.121