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: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-568.038494
Energy at 298.15K 
HF Energy-567.318596
Nuclear repulsion energy203.162798
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 QCISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3291 3158 1.98      
2 A' 3255 3123 2.58      
3 A' 3253 3121 2.24      
4 A' 1569 1505 22.11      
5 A' 1481 1421 29.32      
6 A' 1366 1310 5.05      
7 A' 1271 1219 11.99      
8 A' 1152 1105 4.93      
9 A' 1067 1023 6.63      
10 A' 890 854 12.16      
11 A' 876 840 38.72      
12 A' 764 733 0.70      
13 A' 618 593 1.32      
14 A" 907 870 0.04      
15 A" 829 796 35.48      
16 A" 742 712 24.70      
17 A" 608 583 16.42      
18 A" 463 444 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 12201.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11705.6 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 QCISD/cc-pVDZ
ABC
0.28086 0.17880 0.10925

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.200 0.000
C2 -1.202 -0.072 0.000
C3 1.228 -0.033 0.000
N4 -0.747 -1.297 0.000
C5 0.643 -1.275 0.000
H6 -2.268 0.174 0.000
H7 2.291 0.214 0.000
H8 1.190 -2.222 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.75001.74032.60632.55752.48942.49373.6227
C21.75002.43071.30702.20331.09393.50453.2161
C31.74032.43072.34511.37303.50251.09092.1892
N42.60631.30702.34511.39062.11603.39302.1461
C52.55752.20331.37301.39063.25232.22091.0929
H62.48941.09393.50252.11603.25234.55904.2067
H72.49373.50451.09093.39302.22094.55902.6735
H83.62273.21612.18922.14611.09294.20672.6735

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 116.233 S1 C2 H6 120.410
S1 C3 C5 109.903 S1 C3 H7 121.782
C2 S1 C3 88.278 C2 N4 C5 109.481
C3 C5 N4 116.104 C3 C5 H8 124.810
N4 C2 H6 123.357 N4 C5 H8 119.086
C5 C3 H7 128.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability