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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-628.619412
Energy at 298.15K-628.628227
Nuclear repulsion energy294.905219
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/6-311+G(3df,2p)
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 3279 2979 13.16      
2 A 3258 2960 33.61      
3 A 3245 2948 1.49      
4 A 3229 2934 38.21      
5 A 3227 2932 8.88      
6 A 3200 2908 15.06      
7 A 3181 2890 1.19      
8 A 3166 2877 28.16      
9 A 1947 1769 433.46      
10 A 1620 1472 2.62      
11 A 1613 1465 2.56      
12 A 1611 1464 9.36      
13 A 1600 1453 11.79      
14 A 1584 1439 17.88      
15 A 1540 1399 2.18      
16 A 1519 1380 16.29      
17 A 1421 1291 24.58      
18 A 1379 1253 0.02      
19 A 1255 1141 162.00      
20 A 1157 1052 2.34      
21 A 1136 1032 0.13      
22 A 1122 1019 1.66      
23 A 1052 956 5.12      
24 A 1030 935 46.80      
25 A 852 774 2.71      
26 A 755 686 0.96      
27 A 696 632 59.23      
28 A 566 515 5.00      
29 A 495 449 5.32      
30 A 402 365 3.50      
31 A 325 296 0.75      
32 A 261 237 0.15      
33 A 174 158 1.38      
34 A 171 155 0.02      
35 A 82 75 0.40      
36 A 68 61 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 26607.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 24175.8 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/6-311+G(3df,2p)
ABC
0.21757 0.05488 0.04491

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 2.313 -0.832 -0.000
C2 1.399 -0.086 -0.000
S3 -0.236 -0.793 0.000
H4 1.107 1.848 -0.876
H5 2.627 1.630 -0.000
H6 1.108 1.848 0.876
C7 1.570 1.413 -0.000
H8 -1.241 1.210 0.878
H9 -1.241 1.210 -0.878
C10 -1.402 0.602 0.000
H11 -3.006 -0.560 -0.877
H12 -3.533 0.865 -0.000
H13 -3.006 -0.560 0.877
C14 -2.823 0.047 -0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.17992.54923.06732.48263.06692.36474.19214.19203.98205.39756.08735.39775.2100
C21.17991.78092.14382.11062.14371.50863.06953.06932.88404.51625.02284.51644.2233
S32.54921.78093.08983.75063.09012.85032.40652.40641.81742.91483.69012.91482.7192
H43.06732.14383.08981.76741.75231.08232.99992.43352.93554.76654.82365.07884.4106
H52.48262.11063.75061.76741.76741.07913.98903.98854.15816.10716.20746.10745.6746
H63.06692.14373.09011.75231.76741.08242.43453.00062.93635.07964.82454.76734.4114
C72.36471.50862.85031.08231.07911.08242.95222.95193.08065.05975.13245.05994.5997
H84.19213.06952.40652.99993.98902.43452.95221.75581.08013.05432.47852.49962.1501
H94.19203.06932.40642.43353.98853.00062.95191.75581.08012.49972.47843.05432.1501
C103.98202.88401.81742.93554.15812.93633.08061.08011.08012.16632.14732.16631.5249
H115.39754.51622.91484.76656.10715.07965.05973.05432.49972.16631.75441.75461.0827
H126.08735.02283.69014.82366.20744.82455.13242.47852.47842.14731.75441.75441.0833
H135.39774.51642.91485.07886.10744.76735.05992.49963.05432.16631.75461.75441.0827
C145.21004.22332.71924.41065.67464.41144.59972.15012.15011.52491.08271.08331.0827

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 117.413 O1 C2 C7 122.710
C2 S3 C10 106.540 C2 C7 H4 110.590
C2 C7 H5 108.152 C2 C7 H6 110.584
S3 C2 C7 119.877 S3 C10 H8 109.670
S3 C10 H9 109.669 S3 C10 C14 108.576
H4 C7 H5 109.709 H4 C7 H6 108.096
H5 C7 H6 109.706 H8 C10 H9 108.745
H8 C10 C14 110.086 H9 C10 C14 110.086
C10 C14 H11 111.224 C10 C14 H12 109.676
C10 C14 H13 111.224 H11 C14 H12 108.184
H11 C14 H13 108.245 H12 C14 H13 108.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.802      
2 C 0.892      
3 S -0.362      
4 H 0.171      
5 H 0.154      
6 H 0.171      
7 C -0.461      
8 H 0.145      
9 H 0.145      
10 C -0.070      
11 H 0.156      
12 H 0.131      
13 H 0.156      
14 C -0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.868 3.769 0.000 4.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.819 4.548 0.000
y 4.548 -45.622 0.000
z 0.000 0.000 -44.556
Traceless
 xyz
x -2.730 4.548 0.000
y 4.548 0.565 0.000
z 0.000 0.000 2.164
Polar
3z2-r24.329
x2-y2-2.197
xy4.548
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.202 -0.199 -0.000
y -0.199 9.850 0.000
z -0.000 0.000 7.872


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000