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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-630.479931
Energy at 298.15K-630.488419
Nuclear repulsion energy288.894553
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 B1B95/6-31G
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 3196 3048 5.47      
2 A 3183 3035 25.99      
3 A 3162 3016 4.16      
4 A 3158 3012 0.41      
5 A 3158 3011 19.17      
6 A 3104 2960 14.49      
7 A 3078 2935 1.56      
8 A 3073 2930 22.78      
9 A 1747 1666 281.37      
10 A 1545 1473 7.08      
11 A 1536 1465 23.19      
12 A 1534 1463 11.52      
13 A 1526 1455 8.20      
14 A 1509 1439 23.10      
15 A 1464 1396 10.59      
16 A 1437 1371 30.27      
17 A 1318 1257 26.19      
18 A 1290 1230 0.10      
19 A 1171 1117 142.82      
20 A 1107 1055 2.04      
21 A 1069 1020 0.35      
22 A 1061 1012 3.69      
23 A 1027 980 12.42      
24 A 985 939 58.46      
25 A 812 774 7.77      
26 A 668 637 0.24      
27 A 622 593 79.47      
28 A 518 494 2.08      
29 A 442 422 4.48      
30 A 374 357 1.06      
31 A 305 291 1.44      
32 A 263 251 0.15      
33 A 251 239 0.04      
34 A 160 152 0.90      
35 A 79 75 0.31      
36 A 14 14 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25471.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 24291.7 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 B1B95/6-31G
ABC
0.20886 0.05287 0.04322

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.422 -0.792 -0.000
C2 1.443 -0.055 0.000
S3 -0.234 -0.844 -0.000
H4 1.022 1.860 -0.883
H5 2.564 1.738 -0.000
H6 1.023 1.859 0.884
C7 1.515 1.443 0.000
H8 -1.261 1.212 0.888
H9 -1.262 1.210 -0.891
C10 -1.443 0.605 -0.001
H11 -3.041 -0.570 -0.884
H12 -3.581 0.866 0.000
H13 -3.040 -0.568 0.886
C14 -2.857 0.045 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22522.65563.12552.53453.12532.41214.28524.28584.10945.53846.22715.53805.3450
C21.22521.85242.15002.11552.15011.50023.11483.11572.96034.59915.10714.59854.3012
S32.65561.85243.10853.80733.10892.87872.46342.46341.88712.95633.75862.95632.7704
H43.12552.15003.10851.78121.76641.09362.96072.37412.90324.73404.79055.05204.3726
H52.53452.11553.80731.78121.78121.09023.96203.96374.16476.12636.20656.12525.6799
H63.12532.15013.10891.76641.78121.09362.37342.96462.90455.05364.79144.73294.3732
C72.41211.50022.87871.09361.09021.09362.92332.92533.07455.05885.12805.05764.5902
H84.28523.11482.46342.96073.96202.37342.92331.77901.09163.07932.50802.51682.1673
H94.28583.11572.46342.37413.96372.96462.92531.77901.09162.51682.50793.07932.1673
C104.10942.96031.88712.90324.16472.90453.07451.09161.09162.17092.15352.17091.5209
H115.53844.59912.95634.73406.12635.05365.05883.07932.51682.17091.77011.76951.0925
H126.22715.10713.75864.79056.20654.79145.12802.50802.50792.15351.77011.77011.0940
H135.53804.59852.95635.05206.12524.73295.05762.51683.07932.17091.76951.77011.0925
C145.34504.30122.77044.37265.67994.37324.59022.16732.16731.52091.09251.09401.0925

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 117.841 O1 C2 C7 124.210
C2 S3 C10 104.672 C2 C7 H4 111.008
C2 C7 H5 108.469 C2 C7 H6 111.010
S3 C2 C7 117.949 S3 C10 H8 108.621
S3 C10 H9 108.621 S3 C10 C14 108.282
H4 C7 H5 109.303 H4 C7 H6 107.727
H5 C7 H6 109.299 H8 C10 H9 109.149
H8 C10 C14 111.051 H9 C10 C14 111.050
C10 C14 H11 111.283 C10 C14 H12 109.803
C10 C14 H13 111.283 H11 C14 H12 108.099
H11 C14 H13 108.157 H12 C14 H13 108.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.382      
2 C 0.095      
3 S 0.290      
4 H 0.192      
5 H 0.210      
6 H 0.192      
7 C -0.517      
8 H 0.197      
9 H 0.197      
10 C -0.552      
11 H 0.183      
12 H 0.170      
13 H 0.183      
14 C -0.459      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.691 3.958 -0.000 4.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.944 4.223 0.002
y 4.223 -45.082 0.000
z 0.002 0.000 -44.155
Traceless
 xyz
x -2.326 4.223 0.002
y 4.223 0.468 0.000
z 0.002 0.000 1.858
Polar
3z2-r23.715
x2-y2-1.862
xy4.223
xz0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.883 -0.261 0.000
y -0.261 8.668 -0.000
z 0.000 -0.000 6.164


<r2> (average value of r2) Å2
<r2> 257.142
(<r2>)1/2 16.036