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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-564.987586
Energy at 298.15K 
HF Energy-564.480933
Nuclear repulsion energy202.417683
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 MP2/3-21G*
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' 3304 3143 2.90 134.33 0.16 0.27
2 A' 3285 3125 1.29 59.99 0.30 0.46
3 A' 3277 3118 1.02 80.37 0.70 0.82
4 A' 1444 1373 1.76 9.85 0.36 0.52
5 A' 1389 1321 0.83 1.91 0.10 0.19
6 A' 1302 1239 11.57 4.11 0.73 0.84
7 A' 1284 1222 34.75 15.88 0.26 0.42
8 A' 1166 1109 6.05 6.95 0.59 0.74
9 A' 1022 972 0.71 3.39 0.25 0.40
10 A' 894 850 6.34 2.38 0.17 0.28
11 A' 871 828 60.86 7.46 0.28 0.44
12 A' 744 708 1.60 5.93 0.75 0.86
13 A' 628 598 5.52 11.31 0.39 0.56
14 A" 903 859 0.06 1.31 0.75 0.86
15 A" 827 786 62.78 0.92 0.75 0.86
16 A" 757 721 30.53 4.51 0.75 0.86
17 A" 628 598 14.98 0.80 0.75 0.86
18 A" 484 461 0.01 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12104.6 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 11515.1 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 MP2/3-21G*
ABC
0.27707 0.17835 0.10850

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.196 0.000
C2 -1.218 -0.059 0.000
C3 1.227 -0.026 0.000
N4 -0.751 -1.306 0.000
C5 0.664 -1.283 0.000
H6 -2.267 0.194 0.000
H7 2.276 0.230 0.000
H8 1.208 -2.216 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.74901.73152.61292.56672.47902.47273.6197
C21.74902.44491.33212.24521.07953.50583.2463
C31.73152.44492.35601.37753.50111.07982.1903
N42.61291.33212.35601.41512.13363.39422.1598
C52.56672.24521.37751.41513.28272.21051.0799
H62.47901.07953.50112.13363.28274.54354.2295
H72.47273.50581.07983.39422.21054.54352.6684
H83.61973.24632.19032.15981.07994.22952.6684

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.330 S1 C2 H6 120.575
S1 C3 C5 110.781 S1 C3 H7 121.433
C2 S1 C3 89.250 C2 N4 C5 109.586
C3 C5 N4 115.053 C3 C5 H8 125.639
N4 C2 H6 124.094 N4 C5 H8 119.308
C5 C3 H7 127.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability