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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-630.601351
Energy at 298.15K-630.609754
Nuclear repulsion energy292.732176
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3159 3042 8.68      
2 A 3135 3018 32.82      
3 A 3126 3009 5.81      
4 A 3119 3003 24.48      
5 A 3110 2994 0.18      
6 A 3064 2950 22.53      
7 A 3054 2940 0.98      
8 A 3048 2934 26.07      
9 A 1801 1733 330.22      
10 A 1516 1460 4.69      
11 A 1508 1452 12.97      
12 A 1494 1438 0.64      
13 A 1486 1430 16.58      
14 A 1472 1418 23.66      
15 A 1424 1371 7.51      
16 A 1389 1338 26.49      
17 A 1317 1268 27.42      
18 A 1287 1239 0.29      
19 A 1152 1109 163.01      
20 A 1085 1045 7.53      
21 A 1061 1021 0.75      
22 A 1027 989 2.28      
23 A 1004 967 4.22      
24 A 950 915 49.79      
25 A 802 772 7.93      
26 A 699 673 0.12      
27 A 640 617 69.32      
28 A 514 495 1.63      
29 A 448 432 3.20      
30 A 374 360 1.80      
31 A 302 291 1.25      
32 A 263 253 0.05      
33 A 157 152 1.10      
34 A 140 134 0.08      
35 A 86 83 0.43      
36 A 53 51 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25133.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 24195.9 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 B3PW91/6-311G*
ABC
0.21414 0.05430 0.04439

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.352 -0.825 0.000
C2 1.413 -0.075 -0.000
S3 -0.234 -0.806 -0.000
H4 1.068 1.865 -0.881
H5 2.604 1.676 -0.001
H6 1.070 1.865 0.883
C7 1.543 1.427 0.000
H8 -1.248 1.213 0.885
H9 -1.249 1.212 -0.888
C10 -1.412 0.596 -0.001
H11 -3.021 -0.572 -0.883
H12 -3.552 0.864 0.000
H13 -3.020 -0.570 0.885
C14 -2.830 0.042 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.20162.58603.10882.51433.10802.39284.23044.23094.02315.45066.14055.45015.2539
C21.20161.80162.15932.11852.15911.50793.08593.08682.90344.54785.05274.54724.2444
S32.58601.80163.09953.77043.10022.85352.42652.42651.83072.93263.71422.93252.7309
H43.10882.15933.09951.78071.76411.09322.98452.40682.92184.75984.80835.07564.3925
H52.51432.11853.77041.78071.78061.09003.97933.98054.15886.12136.20916.12055.6743
H63.10802.15913.10021.76411.78061.09322.40712.98922.92395.07804.81014.75954.3939
C72.39281.50792.85351.09321.09001.09322.93542.93723.06965.05985.12575.05884.5869
H84.23043.08592.42652.98453.97932.40712.93541.77291.09233.07522.49272.51432.1581
H94.23093.08682.42652.40683.98052.98922.93721.77291.09232.51432.49273.07522.1581
C104.02312.90341.83072.92184.15882.92393.06961.09231.09232.17482.15652.17481.5222
H115.45064.54782.93264.75986.12135.07805.05983.07522.51432.17481.76741.76831.0928
H126.14055.05273.71424.80836.20914.81015.12572.49272.49272.15651.76741.76741.0938
H135.45014.54722.93255.07566.12054.75955.05882.51433.07522.17481.76831.76741.0928
C145.25394.24442.73094.39255.67434.39394.58692.15812.15811.52221.09281.09381.0928

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 117.482 O1 C2 C7 123.650
C2 S3 C10 106.130 C2 C7 H4 111.228
C2 C7 H5 108.193 C2 C7 H6 111.214
S3 C2 C7 118.869 S3 C10 H8 109.626
S3 C10 H9 109.626 S3 C10 C14 108.727
H4 C7 H5 109.302 H4 C7 H6 107.581
H5 C7 H6 109.296 H8 C10 H9 108.485
H8 C10 C14 110.183 H9 C10 C14 110.184
C10 C14 H11 111.489 C10 C14 H12 109.974
C10 C14 H13 111.488 H11 C14 H12 107.863
H11 C14 H13 108.017 H12 C14 H13 107.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.295      
2 C 0.172      
3 S 0.149      
4 H 0.252      
5 H 0.262      
6 H 0.252      
7 C -0.739      
8 H 0.256      
9 H 0.256      
10 C -0.622      
11 H 0.243      
12 H 0.234      
13 H 0.243      
14 C -0.662      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.568 3.507 0.000 4.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.650 3.799 0.001
y 3.799 -45.187 0.000
z 0.001 0.000 -44.333
Traceless
 xyz
x -1.891 3.799 0.001
y 3.799 0.305 0.000
z 0.001 0.000 1.586
Polar
3z2-r23.171
x2-y2-1.464
xy3.799
xz0.001
yz0.000


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


<r2> (average value of r2) Å2
<r2> 251.813
(<r2>)1/2 15.869