return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: SVWN/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at SVWN/3-21G
 hartrees
Energy at 0K-625.139863
Energy at 298.15K-625.148284
HF Energy-625.139863
Nuclear repulsion energy289.594483
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 SVWN/3-21G
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 3103 3047 1.77      
2 A 3090 3034 9.95      
3 A 3074 3018 6.73      
4 A 3064 3009 0.05      
5 A 3059 3004 1.11      
6 A 3009 2955 13.24      
7 A 2994 2939 9.15      
8 A 2990 2936 0.11      
9 A 1774 1742 221.43      
10 A 1502 1475 9.83      
11 A 1493 1466 19.39      
12 A 1475 1448 26.08      
13 A 1461 1435 0.38      
14 A 1439 1413 37.32      
15 A 1406 1380 22.15      
16 A 1371 1347 47.12      
17 A 1268 1245 18.23      
18 A 1264 1241 0.29      
19 A 1107 1087 147.74      
20 A 1072 1052 7.37      
21 A 1029 1010 2.27      
22 A 1024 1006 6.98      
23 A 1005 987 13.68      
24 A 937 920 40.70      
25 A 789 775 12.26      
26 A 659 647 0.03      
27 A 583 572 74.25      
28 A 519 509 0.28      
29 A 415 407 5.92      
30 A 354 347 0.16      
31 A 307 301 2.83      
32 A 260 256 0.04      
33 A 207 204 1.08      
34 A 163 160 0.75      
35 A 92 90 0.13      
36 A 61 60 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24709.5 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 24262.3 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 SVWN/3-21G
ABC
0.21015 0.05351 0.04372

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -2.085 -0.933 -0.001
C2 -1.153 -0.115 -0.001
S3 0.193 -0.585 0.001
H4 -1.083 1.788 0.890
H5 -2.578 1.412 -0.001
H6 -1.080 1.791 -0.888
C7 -1.490 1.301 0.002
H8 1.107 1.169 -0.894
H9 1.106 1.166 0.894
C10 1.215 0.545 -0.002
H11 2.765 -0.670 0.892
H12 3.370 0.755 0.000
H13 2.768 -0.668 -0.891
C14 2.630 -0.051 0.000

Atom - Atom Distances (Å)
  O1 C2 S3 H4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14
O11.23962.30393.03282.39553.03522.31163.92393.92233.61534.93855.70984.94064.7960
C21.23961.42562.10182.08832.10371.45552.74812.74632.45824.05674.60604.05863.7831
S32.30391.42562.83713.41542.83872.52762.17092.16751.52372.72373.44832.72652.4947
H43.03282.10182.83711.78011.77821.09122.89142.27532.76104.56624.65754.90234.2377
H52.39552.08833.41541.78011.78181.09403.79913.79853.89085.80345.98435.80475.4091
H63.03522.10372.83871.77821.78181.09532.27382.88872.75814.90054.65524.56664.2363
C72.31161.45552.52761.09121.09401.09532.74962.74752.80844.77304.89044.77494.3354
H83.92392.74812.17092.89143.79912.27382.74961.78771.09383.05332.46872.47642.1464
H93.92232.74632.16752.27533.79852.88872.74751.78771.09602.47512.46923.05182.1455
C103.61532.45821.52372.76103.89082.75812.80841.09381.09602.16302.16532.16141.5349
H114.93854.05672.72374.56625.80344.90054.77303.05332.47512.16301.78651.78371.0943
H125.70984.60603.44834.65755.98434.65524.89042.46872.46922.16531.78651.78331.0942
H134.94064.05862.72654.90235.80474.56664.77492.47643.05182.16141.78371.78331.0928
C144.79603.78312.49474.23775.40914.23634.33542.14642.14551.53491.09431.09421.0928

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 119.467 O1 C2 C7 117.898
C2 S3 C10 112.871 C2 C7 H4 110.428
C2 C7 H5 109.169 C2 C7 H6 110.330
S3 C2 C7 122.635 S3 C10 H8 111.007
S3 C10 H9 110.596 S3 C10 C14 109.298
H4 C7 H5 109.099 H4 C7 H6 108.834
H5 C7 H6 108.953 H8 C10 H9 109.444
H8 C10 C14 108.305 H9 C10 C14 108.114
C10 C14 H11 109.569 C10 C14 H12 109.757
C10 C14 H13 109.533 H11 C14 H12 109.429
H11 C14 H13 109.284 H12 C14 H13 109.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability