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: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-566.246568
Energy at 298.15K 
HF Energy-566.246568
Nuclear repulsion energy203.299300
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 B3LYP/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' 3294 3169 2.43 124.38 0.17 0.29
2 A' 3266 3142 1.73 89.48 0.28 0.43
3 A' 3262 3138 1.66 84.30 0.66 0.80
4 A' 1487 1430 8.61 4.44 0.17 0.29
5 A' 1408 1355 15.34 18.00 0.22 0.36
6 A' 1342 1291 22.46 11.82 0.41 0.59
7 A' 1277 1229 6.56 3.32 0.65 0.78
8 A' 1162 1118 6.70 9.63 0.68 0.81
9 A' 1044 1004 2.52 5.80 0.30 0.46
10 A' 893 859 5.58 1.45 0.23 0.37
11 A' 855 822 58.63 9.58 0.26 0.41
12 A' 730 703 0.85 5.89 0.75 0.86
13 A' 619 595 5.88 12.75 0.34 0.51
14 A" 957 921 0.03 1.12 0.75 0.86
15 A" 837 805 59.99 0.56 0.75 0.86
16 A" 776 746 32.98 3.83 0.75 0.86
17 A" 635 610 14.33 1.26 0.75 0.86
18 A" 487 469 0.01 0.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12165.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 11703.2 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 B3LYP/3-21G*
ABC
0.27903 0.18003 0.10943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.195 0.000
C2 -1.218 -0.071 0.000
C3 1.224 -0.032 0.000
N4 -0.741 -1.292 0.000
C5 0.657 -1.275 0.000
H6 -2.268 0.175 0.000
H7 2.273 0.216 0.000
H8 1.197 -2.208 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.75671.73342.59502.55642.48662.47523.6082
C21.75672.44231.31062.22841.07853.50253.2252
C31.73342.44232.33441.36653.49821.07762.1767
N42.59501.31062.33441.39842.11733.37002.1442
C52.55642.22841.36651.39843.26492.19861.0783
H62.48661.07853.49822.11733.26494.54104.2059
H72.47523.50251.07763.37002.19864.54102.6521
H83.60823.22522.17672.14421.07834.20592.6521

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 114.788 S1 C2 H6 120.691
S1 C3 C5 110.549 S1 C3 H7 121.654
C2 S1 C3 88.817 C2 N4 C5 110.654
C3 C5 N4 115.192 C3 C5 H8 125.422
N4 C2 H6 124.522 N4 C5 H8 119.386
C5 C3 H7 127.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.380      
2 C -0.165      
3 C -0.465      
4 N -0.461      
5 C 0.024      
6 H 0.239      
7 H 0.229      
8 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.009 1.170 0.000 1.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.738 -3.560 0.000
y -3.560 -37.488 0.000
z 0.000 0.000 -38.435
Traceless
 xyz
x 7.224 -3.560 0.000
y -3.560 -2.902 0.000
z 0.000 0.000 -4.321
Polar
3z2-r2-8.643
x2-y26.751
xy-3.560
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.776 -0.210 0.000
y -0.210 8.410 0.000
z 0.000 0.000 2.768


<r2> (average value of r2) Å2
<r2> 107.560
(<r2>)1/2 10.371