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: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-568.012982
Energy at 298.15K 
HF Energy-567.298851
Nuclear repulsion energy204.686884
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 CCD/6-31+G**
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' 3346 3153 1.43      
2 A' 3314 3123 0.10      
3 A' 3311 3120 3.90      
4 A' 1587 1495 22.73      
5 A' 1490 1404 39.74      
6 A' 1401 1320 6.66      
7 A' 1313 1237 10.82      
8 A' 1180 1112 5.21      
9 A' 1095 1032 7.76      
10 A' 919 866 10.71      
11 A' 899 847 42.98      
12 A' 782 737 0.72      
13 A' 637 600 1.19      
14 A" 884 833 0.00      
15 A" 821 773 53.99      
16 A" 731 689 24.13      
17 A" 595 561 18.90      
18 A" 458 432 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 12381.5 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 11667.1 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 CCD/6-31+G**
ABC
0.28430 0.18190 0.11093

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.188 0.000
C2 -1.197 -0.064 0.000
C3 1.219 -0.032 0.000
N4 -0.742 -1.286 0.000
C5 0.644 -1.269 0.000
H6 -2.249 0.177 0.000
H7 2.267 0.214 0.000
H8 1.180 -2.205 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73241.72442.58252.54022.46542.46753.5926
C21.73242.41631.30372.20021.07903.47563.1990
C31.72442.41632.32721.36473.47401.07682.1740
N42.58251.30372.32721.38532.10073.36192.1299
C52.54022.20021.36471.38533.23412.19931.0787
H62.46541.07903.47402.10073.23414.51624.1752
H72.46753.47561.07683.36192.19934.51622.6528
H83.59263.19902.17402.12991.07874.17522.6528

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.829 S1 C2 H6 120.767
S1 C3 C5 110.089 S1 C3 H7 121.773
C2 S1 C3 88.693 C2 N4 C5 109.778
C3 C5 N4 115.611 C3 C5 H8 125.276
N4 C2 H6 123.404 N4 C5 H8 119.113
C5 C3 H7 128.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability