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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-630.560839
Energy at 298.15K-630.568987
Nuclear repulsion energy287.984991
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/6-31+G**
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 3076 3060 8.75      
2 A 3053 3037 30.43      
3 A 3037 3021 6.06      
4 A 3034 3018 23.09      
5 A 3031 3015 0.00      
6 A 2987 2971 19.26      
7 A 2974 2958 3.15      
8 A 2970 2954 30.86      
9 A 1683 1674 340.29      
10 A 1472 1464 3.96      
11 A 1463 1455 10.79      
12 A 1451 1444 0.59      
13 A 1443 1435 15.28      
14 A 1431 1423 23.58      
15 A 1382 1375 3.33      
16 A 1346 1339 15.21      
17 A 1263 1256 33.99      
18 A 1237 1230 0.01      
19 A 1099 1093 137.19      
20 A 1040 1034 4.31      
21 A 1016 1010 0.01      
22 A 992 987 0.67      
23 A 952 947 5.81      
24 A 907 902 67.60      
25 A 775 771 4.17      
26 A 638 635 0.78      
27 A 600 597 66.46      
28 A 493 490 1.08      
29 A 421 418 3.90      
30 A 358 356 1.43      
31 A 287 286 1.34      
32 A 249 248 0.03      
33 A 148 148 1.08      
34 A 123 122 0.06      
35 A 89 89 0.45      
36 A 56 56 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 24287.8 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 24159.1 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/6-31+G**
ABC
0.20849 0.05226 0.04281

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.396 -0.835 0.000
C2 1.437 -0.072 0.000
S3 -0.234 -0.818 -0.000
H4 1.094 1.887 -0.889
H5 2.644 1.698 -0.000
H6 1.094 1.887 0.890
C7 1.575 1.448 0.000
H8 -1.279 1.223 0.893
H9 -1.280 1.222 -0.895
C10 -1.450 0.605 -0.001
H11 -3.075 -0.576 -0.891
H12 -3.608 0.873 -0.000
H13 -3.074 -0.575 0.893
C14 -2.885 0.042 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22592.63063.14642.54543.14602.42654.30634.30664.10735.54966.24315.54945.3532
C21.22591.83022.17872.14232.17861.52603.13903.13962.96574.62705.13344.62664.3232
S32.63061.83023.14183.82293.14212.89912.46102.46091.87162.98733.77442.98732.7863
H43.14642.17873.14181.79711.77851.10213.04072.46462.98414.84204.89145.15844.4747
H52.54542.14233.82291.79711.79711.09854.05154.05264.23796.21896.30666.21825.7715
H63.14602.17863.14211.77851.79711.10212.46443.04382.98535.15984.89244.84144.4754
C72.42651.52602.89911.10211.09851.10212.99842.99983.14015.14875.21465.14794.6756
H84.30633.13902.46103.04074.05152.46442.99841.78891.10053.10632.51932.54102.1846
H94.30663.13962.46092.46464.05263.04382.99981.78891.10052.54102.51933.10632.1846
C104.10732.96571.87162.98414.23792.98533.14011.10051.10052.19722.17482.19721.5409
H115.54964.62702.98734.84206.21895.15985.14873.10632.54102.19721.78331.78461.1013
H126.24315.13343.77444.89146.30664.89245.21462.51932.51932.17481.78331.78331.1027
H135.54944.62662.98735.15846.21824.84145.14792.54103.10632.19721.78461.78331.1013
C145.35324.32322.78634.47475.77154.47544.67562.18462.18461.54091.10131.10271.1013

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 117.434 O1 C2 C7 123.351
C2 S3 C10 106.474 C2 C7 H4 110.966
C2 C7 H5 108.330 C2 C7 H6 110.960
S3 C2 C7 119.215 S3 C10 H8 109.018
S3 C10 H9 109.016 S3 C10 C14 109.089
H4 C7 H5 109.496 H4 C7 H6 107.581
H5 C7 H6 109.493 H8 C10 H9 108.728
H8 C10 C14 110.480 H9 C10 C14 110.480
C10 C14 H11 111.436 C10 C14 H12 109.587
C10 C14 H13 111.435 H11 C14 H12 108.013
H11 C14 H13 108.231 H12 C14 H13 108.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.339      
2 C 0.160      
3 S 0.204      
4 H 0.167      
5 H 0.182      
6 H 0.168      
7 C -0.488      
8 H 0.177      
9 H 0.177      
10 C -0.201      
11 H 0.167      
12 H 0.156      
13 H 0.167      
14 C -0.699      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.848 3.552 -0.000 4.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.421 4.262 0.001
y 4.262 -46.067 0.000
z 0.001 0.000 -45.196
Traceless
 xyz
x -2.790 4.262 0.001
y 4.262 0.742 0.000
z 0.001 0.000 2.048
Polar
3z2-r24.096
x2-y2-2.355
xy4.262
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> 260.589
(<r2>)1/2 16.143