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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-630.546037
Energy at 298.15K-630.554172
Nuclear repulsion energy287.951033
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/6-31G**
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 3083 3059 9.06      
2 A 3061 3037 30.36      
3 A 3043 3020 18.13      
4 A 3043 3020 12.71      
5 A 3035 3011 1.51      
6 A 2988 2965 20.86      
7 A 2979 2956 1.55      
8 A 2977 2955 26.41      
9 A 1723 1710 264.89      
10 A 1482 1470 2.04      
11 A 1472 1460 6.72      
12 A 1459 1447 1.06      
13 A 1451 1440 10.86      
14 A 1438 1427 17.27      
15 A 1389 1379 1.24      
16 A 1349 1339 12.71      
17 A 1265 1255 33.84      
18 A 1243 1234 0.02      
19 A 1100 1092 137.95      
20 A 1043 1035 5.68      
21 A 1019 1011 0.07      
22 A 994 987 1.99      
23 A 957 949 4.70      
24 A 908 901 65.09      
25 A 775 769 4.79      
26 A 642 637 0.52      
27 A 597 592 65.91      
28 A 490 486 1.60      
29 A 416 413 3.64      
30 A 353 351 1.02      
31 A 286 284 1.43      
32 A 250 248 0.07      
33 A 146 145 0.86      
34 A 128 127 0.16      
35 A 90 89 0.27      
36 A 55 54 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 24363.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 24175.9 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 BLYP/6-31G**
ABC
0.20859 0.05221 0.04278

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.398 -0.836 -0.000
C2 1.444 -0.073 -0.000
S3 -0.237 -0.817 0.000
H4 1.091 1.886 -0.888
H5 2.642 1.701 -0.000
H6 1.092 1.885 0.889
C7 1.573 1.448 0.000
H8 -1.279 1.224 0.892
H9 -1.280 1.223 -0.894
C10 -1.451 0.604 -0.001
H11 -3.073 -0.577 -0.890
H12 -3.609 0.871 -0.000
H13 -3.073 -0.575 0.892
C14 -2.884 0.041 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.22102.63453.14682.54873.14632.42774.30784.30824.10975.54916.24505.54895.3543
C21.22101.83852.17922.14042.17911.52603.14563.14622.97394.63215.14124.63174.3301
S32.63451.83853.13943.82483.13982.89952.45972.45971.87002.98293.77182.98292.7834
H43.14682.17923.13941.79671.77701.10163.03672.46122.98194.83754.88955.15344.4709
H52.54872.14043.82481.79671.79671.09814.04934.05044.23776.21646.30616.21575.7699
H63.14632.17913.13981.77701.79671.10162.46103.04002.98325.15494.89064.83684.4717
C72.42771.52602.89951.10161.09811.10162.99702.99843.14035.14625.21485.14534.6742
H84.30783.14562.45973.03674.04932.46102.99701.78651.10043.10482.52022.54072.1842
H94.30823.14622.45972.46124.05043.04002.99841.78651.10042.54072.52013.10482.1842
C104.10972.97391.87002.98194.23772.98323.14031.10041.10042.19472.17442.19471.5393
H115.54914.63212.98294.83756.21645.15495.14623.10482.54072.19471.78231.78271.1006
H126.24505.14123.77184.88956.30614.89065.21482.52022.52012.17441.78231.78231.1020
H135.54894.63172.98295.15346.21574.83685.14532.54073.10482.19471.78271.78231.1006
C145.35434.33012.78344.47095.76994.47174.67422.18422.18421.53931.10061.10201.1006

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 117.444 O1 C2 C7 123.815
C2 S3 C10 106.625 C2 C7 H4 111.031
C2 C7 H5 108.200 C2 C7 H6 111.024
S3 C2 C7 118.740 S3 C10 H8 109.038
S3 C10 H9 109.036 S3 C10 C14 109.070
H4 C7 H5 109.528 H4 C7 H6 107.520
H5 C7 H6 109.525 H8 C10 H9 108.528
H8 C10 C14 110.569 H9 C10 C14 110.569
C10 C14 H11 111.393 C10 C14 H12 109.707
C10 C14 H13 111.392 H11 C14 H12 108.030
H11 C14 H13 108.166 H12 C14 H13 108.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.385      
2 C 0.251      
3 S 0.099      
4 H 0.125      
5 H 0.132      
6 H 0.125      
7 C -0.337      
8 H 0.125      
9 H 0.125      
10 C -0.305      
11 H 0.119      
12 H 0.102      
13 H 0.119      
14 C -0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.395 3.369 -0.000 4.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.905 3.635 0.001
y 3.635 -44.674 0.000
z 0.001 0.000 -44.067
Traceless
 xyz
x -1.534 3.635 0.001
y 3.635 0.312 0.000
z 0.001 0.000 1.222
Polar
3z2-r22.445
x2-y2-1.231
xy3.635
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> 259.662
(<r2>)1/2 16.114