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: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-561.130512
Energy at 298.15K 
HF Energy-560.840291
Nuclear repulsion energy199.931909
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=FULL/STO-3G
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' 3559 3164 5.20 61.81 0.16 0.28
2 A' 3534 3142 5.70 44.69 0.65 0.79
3 A' 3515 3125 3.19 48.43 0.38 0.55
4 A' 1591 1414 0.70 8.53 0.42 0.59
5 A' 1524 1354 9.84 2.49 0.29 0.45
6 A' 1409 1253 23.61 6.83 0.35 0.52
7 A' 1324 1177 7.84 5.76 0.44 0.61
8 A' 1193 1060 2.08 10.13 0.70 0.82
9 A' 1075 956 1.27 2.24 0.21 0.34
10 A' 969 862 21.39 3.20 0.31 0.47
11 A' 961 854 6.60 5.55 0.17 0.29
12 A' 823 732 1.75 4.11 0.74 0.85
13 A' 679 604 0.40 5.25 0.52 0.68
14 A" 967 859 0.10 0.63 0.75 0.86
15 A" 854 759 5.23 2.17 0.75 0.86
16 A" 800 711 10.92 2.37 0.75 0.86
17 A" 611 543 2.98 0.68 0.75 0.86
18 A" 476 423 0.01 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12931.9 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 11495.1 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=FULL/STO-3G
ABC
0.27344 0.17233 0.10571

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.216 0.060 0.000
C2 0.000 -1.211 0.000
C3 0.086 1.229 0.000
N4 1.307 -0.843 0.000
C5 1.317 0.610 0.000
H6 -0.300 -2.270 0.000
H7 -0.108 2.308 0.000
H8 2.288 1.126 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.75881.74972.67902.59192.50382.50583.6621
C21.75882.44141.35752.24721.10123.52033.2702
C31.74972.44142.40431.37803.52061.09622.2040
N42.67901.35752.40431.45242.14953.45342.1994
C52.59192.24721.37801.45243.30322.21701.0992
H62.50381.10123.52062.14953.30324.58224.2699
H72.50583.52031.09623.45342.21704.58222.6716
H83.66213.27022.20402.19941.09924.26992.6716

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 117.986 S1 C2 H6 120.453
S1 C3 C5 111.379 S1 C3 H7 121.702
C2 S1 C3 88.189 C2 N4 C5 106.162
C3 C5 N4 116.285 C3 C5 H8 125.295
N4 C2 H6 121.561 N4 C5 H8 118.420
C5 C3 H7 126.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability