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: CCSD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-568.104491
Energy at 298.15K 
HF Energy-567.339597
Nuclear repulsion energy203.856648
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 CCSD(T)/6-311G*
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' 3244 3123        
2 A' 3213 3093        
3 A' 3210 3089        
4 A' 1524 1467        
5 A' 1435 1381        
6 A' 1355 1304        
7 A' 1272 1224        
8 A' 1151 1108        
9 A' 1067 1027        
10 A' 892 859        
11 A' 878 845        
12 A' 761 733        
13 A' 619 596        
14 A" 845 813        
15 A" 780 751        
16 A" 698 672        
17 A" 591 569        
18 A" 453 436        

Unscaled Zero Point Vibrational Energy (zpe) 11993.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 11545.0 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 CCSD(T)/6-311G*
ABC
0.28294 0.17999 0.11001

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.194 0.000
C2 -1.200 -0.068 0.000
C3 1.223 -0.029 0.000
N4 -0.743 -1.295 0.000
C5 0.643 -1.273 0.000
H6 -2.259 0.177 0.000
H7 2.277 0.226 0.000
H8 1.186 -2.215 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.74151.72932.59742.54972.47732.47423.6094
C21.74152.42271.30892.20171.08703.48903.2091
C31.72932.42272.33801.37283.48761.08452.1866
N42.59741.30892.33801.38602.11273.38102.1367
C52.54972.20171.37281.38603.24382.21741.0870
H62.47731.08703.48762.11273.24384.53604.1933
H72.47423.48901.08453.38102.21744.53602.6738
H83.60943.20912.18662.13671.08704.19332.6738

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 116.027 S1 C2 H6 120.522
S1 C3 C5 110.025 S1 C3 H7 121.416
C2 S1 C3 88.538 C2 N4 C5 109.536
C3 C5 N4 115.873 C3 C5 H8 125.079
N4 C2 H6 123.451 N4 C5 H8 119.048
C5 C3 H7 128.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability