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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: QCISD(T)/aug-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(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-568.113414
Energy at 298.15K 
HF Energy-567.327257
Nuclear repulsion energy202.175732
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(T)/aug-cc-pVDZ
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' 3257 3184        
2 A' 3233 3161        
3 A' 3226 3154        
4 A' 1506 1473        
5 A' 1419 1388        
6 A' 1333 1303        
7 A' 1244 1216        
8 A' 1131 1106        
9 A' 1045 1022        
10 A' 870 851        
11 A' 856 837        
12 A' 742 726        
13 A' 603 589        
14 A" 863 844        
15 A" 787 769        
16 A" 705 690        
17 A" 588 575        
18 A" 448 439        

Unscaled Zero Point Vibrational Energy (zpe) 11927.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 11662.8 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(T)/aug-cc-pVDZ
ABC
0.27798 0.17713 0.10819

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.204 0.000
C2 -1.212 -0.070 0.000
C3 1.235 -0.033 0.000
N4 -0.747 -1.303 0.000
C5 0.647 -1.284 0.000
H6 -2.277 0.176 0.000
H7 2.296 0.226 0.000
H8 1.193 -2.231 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.75881.74782.61652.57152.49882.49563.6371
C21.75882.44721.31812.22081.09333.52033.2337
C31.74782.44722.35401.38273.51831.09202.1992
N42.61651.31812.35401.39422.12863.40522.1505
C52.57152.22081.38271.39423.26902.23561.0931
H62.49881.09333.51832.12863.26904.57344.2237
H72.49563.52031.09203.40522.23564.57342.6933
H83.63713.23372.19922.15051.09314.22372.6933

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.763 S1 C2 H6 120.558
S1 C3 C5 109.909 S1 C3 H7 121.260
C2 S1 C3 88.514 C2 N4 C5 109.891
C3 C5 N4 115.923 C3 C5 H8 124.908
N4 C2 H6 123.679 N4 C5 H8 119.169
C5 C3 H7 128.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability