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: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-568.095712
Energy at 298.15K 
HF Energy-567.384127
Nuclear repulsion energy206.912231
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 CISD/cc-pVTZ
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' 3389 3151 1.99      
2 A' 3348 3113 2.61      
3 A' 3345 3110 1.55      
4 A' 1639 1524 26.99      
5 A' 1524 1417 28.22      
6 A' 1435 1334 7.70      
7 A' 1338 1244 12.63      
8 A' 1205 1120 5.35      
9 A' 1120 1041 8.13      
10 A' 939 873 15.87      
11 A' 916 852 40.17      
12 A' 807 750 1.22      
13 A' 651 605 0.49      
14 A" 997 927 0.02      
15 A" 900 837 33.25      
16 A" 797 741 32.26      
17 A" 647 602 20.40      
18 A" 496 461 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 12745.9 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 11851.1 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 CISD/cc-pVTZ
ABC
0.28874 0.18682 0.11343

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.173 0.000
C2 -1.188 -0.064 0.000
C3 1.212 -0.035 0.000
N4 -0.734 -1.265 0.000
C5 0.635 -1.253 0.000
H6 -2.232 0.175 0.000
H7 2.253 0.204 0.000
H8 1.165 -2.183 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.71501.71152.54682.50782.44522.45243.5528
C21.71502.40031.28452.17641.07133.45123.1669
C31.71152.40032.30271.34773.45081.06792.1485
N42.54681.28452.30271.36932.07833.32922.1096
C52.50782.17641.34771.36933.20322.17741.0707
H62.44521.07133.45082.07833.20324.48524.1358
H72.45243.45121.06793.32922.17744.48522.6234
H83.55283.16692.14852.10961.07074.13582.6234

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.478 S1 C2 H6 120.949
S1 C3 C5 109.548 S1 C3 H7 122.136
C2 S1 C3 88.933 C2 N4 C5 110.154
C3 C5 N4 115.887 C3 C5 H8 124.948
N4 C2 H6 123.572 N4 C5 H8 119.165
C5 C3 H7 128.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability