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

using model chemistry: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-628.629383
Energy at 298.15K-628.638195
Nuclear repulsion energy294.477244
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 HF/aug-cc-pVTZ
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 3280 2986 13.11      
2 A 3261 2969 32.85      
3 A 3247 2956 1.69      
4 A 3230 2941 39.36      
5 A 3229 2939 9.59      
6 A 3204 2917 14.36      
7 A 3183 2898 1.43      
8 A 3167 2883 28.86      
9 A 1942 1768 436.35      
10 A 1619 1474 2.40      
11 A 1612 1468 2.40      
12 A 1611 1466 9.08      
13 A 1599 1456 11.43      
14 A 1583 1441 17.77      
15 A 1539 1401 2.09      
16 A 1518 1382 15.92      
17 A 1421 1294 25.58      
18 A 1381 1257 0.01      
19 A 1254 1142 160.32      
20 A 1159 1055 2.37      
21 A 1136 1034 0.13      
22 A 1123 1023 1.65      
23 A 1052 958 5.46      
24 A 1030 938 48.14      
25 A 853 777 2.65      
26 A 752 685 1.05      
27 A 693 631 61.19      
28 A 566 516 5.03      
29 A 493 449 5.03      
30 A 400 365 3.38      
31 A 324 295 0.75      
32 A 261 237 0.14      
33 A 173 158 1.34      
34 A 170 155 0.02      
35 A 81 74 0.40      
36 A 66 60 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 26606.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 24222.3 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 HF/aug-cc-pVTZ
ABC
0.21715 0.05467 0.04476

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.319 -0.830 -0.000
C2 1.403 -0.085 -0.000
S3 -0.237 -0.795 0.000
H4 1.105 1.848 -0.876
H5 2.626 1.635 -0.001
H6 1.107 1.847 0.877
C7 1.570 1.414 -0.000
H8 -1.245 1.209 0.878
H9 -1.245 1.210 -0.877
C10 -1.407 0.602 0.000
H11 -3.009 -0.559 -0.878
H12 -3.537 0.865 -0.000
H13 -3.010 -0.560 0.877
C14 -2.826 0.048 -0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.18082.55593.06782.48463.06742.36604.19944.19883.99185.40706.09675.40745.2199
C21.18081.78742.14242.11042.14231.50793.07583.07512.89304.52415.03104.52464.2319
S32.55591.78743.09103.75553.09132.85402.40972.40971.82282.91803.69482.91812.7237
H43.06782.14243.09101.76751.75231.08213.00152.43492.93784.76704.82535.07964.4119
H52.48462.11043.75551.76751.76751.07913.99263.99154.16346.11116.21126.11185.6791
H63.06742.14233.09131.75231.76751.08212.43673.00162.93875.08044.82674.76874.4132
C72.36601.50792.85401.08211.07911.08212.95612.95523.08575.06325.13665.06374.6039
H84.19943.07582.40973.00153.99262.43672.95611.75551.07973.05362.47872.49892.1499
H94.19883.07512.40972.43493.99153.00162.95521.75551.07972.49902.47863.05362.1499
C103.99182.89301.82282.93784.16342.93873.08571.07971.07972.16512.14642.16511.5240
H115.40704.52412.91804.76706.11115.08045.06323.05362.49902.16511.75441.75441.0826
H126.09675.03103.69484.82536.21124.82675.13662.47872.47862.14641.75441.75451.0832
H135.40744.52462.91815.07966.11184.76875.06372.49893.05362.16511.75441.75451.0826
C145.21994.23192.72374.41195.67914.41324.60392.14992.14991.52401.08261.08321.0826

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 117.415 O1 C2 C7 122.808
C2 S3 C10 106.514 C2 C7 H4 110.537
C2 C7 H5 108.180 C2 C7 H6 110.531
S3 C2 C7 119.777 S3 C10 H8 109.568
S3 C10 H9 109.568 S3 C10 C14 108.612
H4 C7 H5 109.735 H4 C7 H6 108.123
H5 C7 H6 109.732 H8 C10 H9 108.775
H8 C10 C14 110.154 H9 C10 C14 110.153
C10 C14 H11 111.204 C10 C14 H12 109.666
C10 C14 H13 111.204 H11 C14 H12 108.206
H11 C14 H13 108.253 H12 C14 H13 108.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.757      
2 C 0.510      
3 S -0.152      
4 H 0.306      
5 H 0.290      
6 H 0.306      
7 C -0.732      
8 H 0.275      
9 H 0.275      
10 C -0.292      
11 H 0.305      
12 H 0.290      
13 H 0.305      
14 C -0.929      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.835 3.782 0.000 4.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.794 4.493 0.001
y 4.493 -45.628 -0.000
z 0.001 -0.000 -44.509
Traceless
 xyz
x -2.726 4.493 0.001
y 4.493 0.524 -0.000
z 0.001 -0.000 2.202
Polar
3z2-r24.404
x2-y2-2.166
xy4.493
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.343 -0.192 -0.000
y -0.192 10.007 0.000
z -0.000 0.000 7.991


<r2> (average value of r2) Å2
<r2> 250.407
(<r2>)1/2 15.824