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: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-566.205105
Energy at 298.15K 
HF Energy-566.205105
Nuclear repulsion energy204.674706
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 B1B95/3-21G*
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' 3324 3174 2.61 125.65 0.16 0.28
2 A' 3297 3148 1.64 81.81 0.32 0.49
3 A' 3292 3144 1.24 82.97 0.61 0.76
4 A' 1505 1437 8.96 4.19 0.16 0.27
5 A' 1426 1362 17.60 19.54 0.23 0.37
6 A' 1356 1295 20.43 9.39 0.44 0.62
7 A' 1284 1226 6.39 2.96 0.63 0.77
8 A' 1168 1116 7.84 8.96 0.71 0.83
9 A' 1064 1016 3.02 6.62 0.28 0.44
10 A' 901 861 0.99 2.75 0.22 0.37
11 A' 873 834 64.06 8.47 0.24 0.39
12 A' 759 725 0.58 5.92 0.74 0.85
13 A' 636 608 3.30 11.83 0.36 0.53
14 A" 975 931 0.09 1.08 0.75 0.86
15 A" 857 818 62.75 0.58 0.75 0.86
16 A" 792 756 42.05 3.47 0.75 0.86
17 A" 641 612 14.96 1.22 0.75 0.86
18 A" 493 470 0.01 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12321.1 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 11765.4 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 B1B95/3-21G*
ABC
0.28292 0.18261 0.11098

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.185 0.000
C2 -1.207 -0.063 0.000
C3 1.215 -0.028 0.000
N4 -0.738 -1.284 0.000
C5 0.652 -1.269 0.000
H6 -2.255 0.181 0.000
H7 2.262 0.218 0.000
H8 1.192 -2.200 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73621.71702.57632.53932.46872.46023.5886
C21.73622.42261.30752.21631.07643.48093.2129
C31.71702.42262.32181.36293.47701.07572.1720
N42.57631.30752.32181.39012.10913.35512.1365
C52.53932.21631.36291.39013.24932.19221.0760
H62.46871.07643.47702.10913.24934.51804.1899
H72.46023.48091.07573.35512.19224.51802.6446
H83.58863.21292.17202.13651.07604.18992.6446

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 114.920 S1 C2 H6 120.934
S1 C3 C5 110.544 S1 C3 H7 121.813
C2 S1 C3 89.103 C2 N4 C5 110.443
C3 C5 N4 114.990 C3 C5 H8 125.480
N4 C2 H6 124.146 N4 C5 H8 119.530
C5 C3 H7 127.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.415      
2 C -0.203      
3 C -0.515      
4 N -0.472      
5 C 0.008      
6 H 0.264      
7 H 0.256      
8 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.047 1.256 0.000 1.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.513 -3.657 0.000
y -3.657 -37.255 0.000
z 0.000 0.000 -38.437
Traceless
 xyz
x 7.332 -3.657 0.000
y -3.657 -2.779 0.000
z 0.000 0.000 -4.553
Polar
3z2-r2-9.106
x2-y26.741
xy-3.657
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.668 -0.211 0.000
y -0.211 8.307 0.000
z 0.000 0.000 2.784


<r2> (average value of r2) Å2
<r2> 106.313
(<r2>)1/2 10.311