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 CH3CSCH3 (Thioacetone)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-513.412936
Energy at 298.15K-513.418685
HF Energy-513.412936
Nuclear repulsion energy149.578715
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3089 3072 1.26      
2 A1 2953 2937 14.59      
3 A1 1514 1506 2.94      
4 A1 1414 1406 4.51      
5 A1 1241 1234 110.23      
6 A1 970 964 12.75      
7 A1 654 650 0.88      
8 A1 369 367 0.72      
9 A2 2981 2965 0.00      
10 A2 1494 1486 0.00      
11 A2 940 934 0.00      
12 A2 91 91 0.00      
13 B1 2990 2973 19.48      
14 B1 1517 1509 25.34      
15 B1 1076 1070 1.29      
16 B1 421 419 3.89      
17 B1 149 148 1.71      
18 B2 3087 3070 11.34      
19 B2 2945 2928 0.41      
20 B2 1487 1479 4.26      
21 B2 1399 1391 22.61      
22 B2 1179 1173 18.79      
23 B2 923 918 4.44      
24 B2 372 370 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 17626.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17529.4 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/3-21G
ABC
0.28434 0.15531 0.10440

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.283
S2 0.000 0.000 1.415
C3 0.000 1.286 -1.089
C4 0.000 -1.286 -1.089
H5 0.000 2.167 -0.436
H6 0.000 -2.167 -0.436
H7 0.888 1.314 -1.750
H8 -0.888 1.314 -1.750
H9 -0.888 -1.314 -1.750
H10 0.888 -1.314 -1.750

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.69771.51791.51792.17232.17232.16062.16062.16062.1606
S21.69772.81522.81522.84962.84963.53993.53993.53993.5399
C31.51792.81522.57151.09723.51401.10711.10712.82582.8258
C41.51792.81522.57153.51401.09722.82582.82581.10711.1071
H52.17232.84961.09723.51404.33381.80071.80073.82553.8255
H62.17232.84963.51401.09724.33383.82553.82551.80071.8007
H72.16063.53991.10712.82581.80073.82551.77663.17272.6286
H82.16063.53991.10712.82581.80073.82551.77662.62863.1727
H92.16063.53992.82581.10713.82551.80073.17272.62861.7766
H102.16063.53992.82581.10713.82551.80072.62863.17271.7766

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.317 C1 C3 H7 109.799
C1 C3 H8 109.799 C1 C4 H6 111.317
C1 C4 H9 109.799 C1 C4 H10 109.799
S2 C1 C3 122.106 S2 C1 C4 122.106
C3 C1 C4 115.788 H5 C3 H7 109.549
H5 C3 H8 109.549 H6 C4 H9 109.549
H6 C4 H10 109.549 H7 C3 H8 106.717
H9 C4 H10 106.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 S 0.118      
3 C -0.536      
4 C -0.536      
5 H 0.220      
6 H 0.220      
7 H 0.206      
8 H 0.206      
9 H 0.206      
10 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.211 3.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.580 0.000 0.000
y 0.000 -32.012 0.000
z 0.000 0.000 -33.564
Traceless
 xyz
x 0.208 0.000 0.000
y 0.000 1.061 0.000
z 0.000 0.000 -1.268
Polar
3z2-r2-2.537
x2-y2-0.569
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.357 0.000 0.000
y 0.000 5.939 0.000
z 0.000 0.000 10.011


<r2> (average value of r2) Å2
<r2> 119.110
(<r2>)1/2 10.914