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 C3H3NS (Thiazole)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-567.314512
Energy at 298.15K 
HF Energy-567.314512
Nuclear repulsion energy206.814162
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/6-31G(2df,p)
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' 3425 3101 3.53 104.83 0.21 0.35
2 A' 3381 3061 3.22 111.00 0.24 0.39
3 A' 3378 3059 6.24 74.74 0.64 0.78
4 A' 1719 1556 37.17 1.78 0.22 0.36
5 A' 1591 1441 29.11 36.72 0.17 0.29
6 A' 1478 1338 8.90 4.99 0.50 0.67
7 A' 1384 1253 14.61 2.68 0.26 0.42
8 A' 1237 1120 4.71 8.46 0.71 0.83
9 A' 1144 1036 12.23 9.80 0.29 0.45
10 A' 960 870 19.30 0.36 0.17 0.29
11 A' 919 832 42.65 11.37 0.13 0.23
12 A' 814 737 1.68 4.87 0.75 0.86
13 A' 663 600 1.11 7.71 0.31 0.48
14 A" 1051 952 0.13 1.20 0.75 0.86
15 A" 953 863 22.67 0.15 0.75 0.86
16 A" 833 755 28.40 1.67 0.75 0.86
17 A" 661 599 22.84 0.87 0.75 0.86
18 A" 504 456 0.17 0.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13046.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 11813.7 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/6-31G(2df,p)
ABC
0.28695 0.18731 0.11333

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.174 0.000
C2 -1.190 -0.068 0.000
C3 1.217 -0.043 0.000
N4 -0.738 -1.258 0.000
C5 0.637 -1.250 0.000
H6 -2.237 0.170 0.000
H7 2.259 0.195 0.000
H8 1.160 -2.186 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.72051.72122.54212.50682.45192.46243.5552
C21.72052.40781.27352.17661.07283.45983.1640
C31.72122.40782.30221.33973.46031.06892.1446
N42.54211.27352.30221.37502.07003.33112.1123
C52.50682.17661.33971.37503.20532.17281.0722
H62.45191.07283.46032.07003.20534.49604.1334
H72.46243.45981.06893.33112.17284.49602.6233
H83.55523.16402.14462.11231.07224.13342.6233

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.407 S1 C2 H6 120.992
S1 C3 C5 109.332 S1 C3 H7 122.151
C2 S1 C3 88.786 C2 N4 C5 110.476
C3 C5 N4 116.000 C3 C5 H8 125.173
N4 C2 H6 123.601 N4 C5 H8 118.828
C5 C3 H7 128.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.038      
2 C -0.067      
3 C -0.246      
4 N -0.252      
5 C -0.013      
6 H 0.188      
7 H 0.187      
8 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.930 0.975 0.000 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.300 -3.423 0.000
y -3.423 -37.787 0.000
z 0.000 0.000 -38.200
Traceless
 xyz
x 7.694 -3.423 0.000
y -3.423 -3.538 0.000
z 0.000 0.000 -4.156
Polar
3z2-r2-8.312
x2-y27.488
xy-3.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.956 -0.107 0.000
y -0.107 8.760 0.000
z 0.000 0.000 4.121


<r2> (average value of r2) Å2
<r2> 104.630
(<r2>)1/2 10.229