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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-568.144742
Energy at 298.15K 
HF Energy-567.312975
Nuclear repulsion energy205.047282
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/6-31G(2df,p)
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' 3317 3136 2.04      
2 A' 3281 3102 0.22      
3 A' 3274 3096 3.14      
4 A' 1573 1488 23.80      
5 A' 1477 1396 26.42      
6 A' 1380 1305 5.86      
7 A' 1291 1221 12.70      
8 A' 1170 1106 3.95      
9 A' 1079 1020 6.91      
10 A' 901 852 15.90      
11 A' 885 837 41.59      
12 A' 777 734 0.92      
13 A' 624 590 0.84      
14 A" 937 886 0.01      
15 A" 850 804 31.65      
16 A" 762 720 21.52      
17 A" 618 585 15.28      
18 A" 474 448 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12334.6 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 11662.4 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/6-31G(2df,p)
ABC
0.28446 0.18300 0.11136

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.185 0.000
C2 -1.197 -0.067 0.000
C3 1.221 -0.033 0.000
N4 -0.740 -1.282 0.000
C5 0.641 -1.263 0.000
H6 -2.250 0.176 0.000
H7 2.269 0.217 0.000
H8 1.176 -2.201 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73211.72442.57592.53022.46552.46703.5847
C21.73212.41771.29782.19221.08063.47743.1911
C31.72442.41772.32521.35973.47661.07752.1690
N42.57591.29782.32521.38132.09863.36202.1252
C52.53022.19221.35971.38133.22862.19991.0804
H62.46551.08063.47662.09863.22864.51874.1695
H72.46703.47741.07753.36202.19994.51872.6537
H83.58473.19112.16902.12521.08044.16952.6537

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.711 S1 C2 H6 120.691
S1 C3 C5 109.684 S1 C3 H7 121.676
C2 S1 C3 88.769 C2 N4 C5 109.779
C3 C5 N4 116.057 C3 C5 H8 125.076
N4 C2 H6 123.598 N4 C5 H8 118.867
C5 C3 H7 128.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability