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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-630.771324
Energy at 298.15K-630.779668
HF Energy-630.771324
Nuclear repulsion energy291.298351
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 B3LYP/TZVP
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 3144 3035 7.30      
2 A 3123 3015 27.52      
3 A 3110 3002 4.28      
4 A 3103 2995 22.25      
5 A 3100 2993 0.66      
6 A 3061 2955 17.06      
7 A 3046 2941 1.15      
8 A 3039 2934 24.15      
9 A 1769 1708 360.37      
10 A 1507 1455 3.48      
11 A 1497 1445 10.92      
12 A 1490 1438 0.90      
13 A 1478 1427 16.40      
14 A 1467 1416 21.12      
15 A 1424 1375 4.96      
16 A 1389 1341 20.32      
17 A 1308 1263 27.95      
18 A 1278 1234 0.03      
19 A 1143 1104 152.03      
20 A 1076 1039 4.40      
21 A 1048 1012 0.10      
22 A 1027 992 0.95      
23 A 989 955 4.35      
24 A 941 909 60.50      
25 A 798 770 3.98      
26 A 677 654 0.01      
27 A 630 608 70.27      
28 A 515 497 2.08      
29 A 445 430 3.77      
30 A 371 358 1.58      
31 A 300 289 1.16      
32 A 254 245 0.07      
33 A 156 151 1.16      
34 A 128 124 0.07      
35 A 83 80 0.66      
36 A 48 47 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24983.0 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 24118.6 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 B3LYP/TZVP
ABC
0.21258 0.05359 0.04385

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -2.059 -0.958 -0.001
C2 -1.151 -0.118 -0.001
S3 0.198 -0.570 0.001
H4 -1.143 1.788 0.886
H5 -2.620 1.372 -0.001
H6 -1.140 1.791 -0.885
C7 -1.533 1.291 0.002
H8 1.113 1.175 -0.892
H9 1.112 1.172 0.891
C10 1.221 0.553 -0.002
H11 2.774 -0.666 0.889
H12 3.379 0.753 0.000
H13 2.777 -0.664 -0.888
C14 2.638 -0.048 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.23732.29063.02822.39683.03072.31053.92513.92323.61234.92355.70084.92564.7847
C21.23731.42292.10232.09262.10421.46012.75532.75332.46574.06194.61274.06383.7897
S32.29061.42292.85343.42282.85502.54172.16312.15951.51972.72643.44472.72932.4950
H43.02822.10232.85341.77301.77131.08682.93672.33692.81114.62204.72224.95184.2953
H52.39682.09263.42281.77301.77471.09093.84323.84233.92805.83486.03095.83625.4468
H63.03072.10422.85501.77131.77471.09092.33572.93402.80844.95024.72024.62254.2941
C72.31051.46012.54171.08681.09091.09092.79462.79232.85104.81304.94064.81494.3803
H83.92512.75532.16312.93673.84322.33572.79461.78291.09033.05262.47122.47972.1487
H93.92322.75332.15952.33693.84232.93402.79231.78291.09252.47852.47183.05112.1479
C103.61232.46571.51972.81113.92802.80842.85101.09031.09252.16612.16642.16441.5390
H114.92354.06192.72644.62205.83484.95024.81303.05262.47852.16611.77991.77671.0908
H125.70084.61273.44474.72226.03094.72024.94062.47122.47182.16641.77991.77671.0909
H134.92564.06382.72934.95185.83624.62254.81492.47973.05112.16441.77671.77671.0893
C144.78473.78972.49504.29535.44684.29414.38032.14872.14791.53901.09081.09091.0893

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 118.707 O1 C2 C7 117.630
C2 S3 C10 113.802 C2 C7 H4 110.402
C2 C7 H5 109.376 C2 C7 H6 110.307
S3 C2 C7 123.663 S3 C10 H8 110.867
S3 C10 H9 110.448 S3 C10 C14 109.313
H4 C7 H5 109.005 H4 C7 H6 108.859
H5 C7 H6 108.860 H8 C10 H9 109.527
H8 C10 C14 108.402 H9 C10 C14 108.217
C10 C14 H11 109.728 C10 C14 H12 109.749
C10 C14 H13 109.691 H11 C14 H12 109.330
H11 C14 H13 109.169 H12 C14 H13 109.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 C 0.089      
3 S 0.054      
4 H 0.134      
5 H 0.162      
6 H 0.134      
7 C -0.331      
8 H 0.144      
9 H 0.144      
10 C -0.300      
11 H 0.132      
12 H 0.129      
13 H 0.132      
14 C -0.358      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.725 3.526 0.000 4.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.898 4.177 0.002
y 4.177 -45.548 0.000
z 0.002 0.000 -44.649
Traceless
 xyz
x -2.800 4.177 0.002
y 4.177 0.725 0.000
z 0.002 0.000 2.075
Polar
3z2-r24.149
x2-y2-2.350
xy4.177
xz0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.135 -0.172 0.000
y -0.172 9.903 -0.000
z 0.000 -0.000 7.374


<r2> (average value of r2) Å2
<r2> 254.758
(<r2>)1/2 15.961