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: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-568.864123
Energy at 298.15K 
HF Energy-568.582020
Nuclear repulsion energy205.595643
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 B2PLYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3281 3281 1.15 127.92 0.19 0.32
2 A' 3246 3246 0.09 113.17 0.23 0.38
3 A' 3241 3241 3.27 90.13 0.53 0.69
4 A' 1508 1508 20.05 3.74 0.11 0.20
5 A' 1413 1413 19.61 28.73 0.16 0.28
6 A' 1363 1363 6.24 5.01 0.56 0.72
7 A' 1271 1271 11.32 2.87 0.22 0.35
8 A' 1158 1158 5.87 5.06 0.67 0.80
9 A' 1070 1070 6.90 13.16 0.15 0.26
10 A' 894 894 2.43 1.06 0.16 0.28
11 A' 879 879 50.61 14.71 0.10 0.19
12 A' 764 764 0.19 4.88 0.73 0.84
13 A' 620 620 0.65 9.63 0.31 0.48
14 A" 915 915 0.67 0.65 0.75 0.86
15 A" 813 813 49.25 0.06 0.75 0.86
16 A" 737 737 19.26 0.05 0.75 0.86
17 A" 623 623 15.78 0.29 0.75 0.86
18 A" 481 481 0.01 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12138.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12138.2 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 B2PLYP/Def2TZVPP
ABC
0.28595 0.18416 0.11202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.179 0.000
C2 -1.198 -0.062 0.000
C3 1.217 -0.027 0.000
N4 -0.732 -1.279 0.000
C5 0.637 -1.263 0.000
H6 -2.249 0.181 0.000
H7 2.263 0.224 0.000
H8 1.177 -2.197 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.72541.71292.56492.52402.46052.45583.5750
C21.72542.41571.30332.19371.07813.47303.1934
C31.71292.41572.31691.36583.47191.07542.1706
N42.56491.30332.31691.36952.10523.35102.1178
C52.52402.19371.36581.36953.22712.20341.0782
H62.46051.07813.47192.10523.22714.51174.1697
H72.45583.47301.07543.35102.20344.51172.6535
H83.57503.19342.17062.11781.07824.16972.6535

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.037 S1 C2 H6 120.975
S1 C3 C5 109.616 S1 C3 H7 121.780
C2 S1 C3 89.266 C2 N4 C5 110.296
C3 C5 N4 115.784 C3 C5 H8 124.867
N4 C2 H6 123.988 N4 C5 H8 119.349
C5 C3 H7 128.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.088      
2 C -0.016      
3 C -0.117      
4 N -0.253      
5 C -0.060      
6 H 0.121      
7 H 0.120      
8 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.014 1.286 0.000 1.638
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.400 -3.410 -0.002
y -3.410 -37.902 0.001
z -0.002 0.001 -38.393
Traceless
 xyz
x 6.747 -3.410 -0.002
y -3.410 -3.005 0.001
z -0.002 0.001 -3.742
Polar
3z2-r2-7.484
x2-y26.501
xy-3.410
xz-0.002
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.164 -0.070 0.000
y -0.070 9.812 -0.000
z 0.000 -0.000 5.115


<r2> (average value of r2) Å2
<r2> 105.881
(<r2>)1/2 10.290