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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.064100
HF Energy0.064100
Nuclear repulsion energy91.058950
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 PM3
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' 3140 3059 68.22 59.22 0.30 0.46
2 A' 3085 3005 36.51 88.21 0.28 0.44
3 A' 3078 2998 87.63 45.67 0.64 0.78
4 A' 1662 1619 39.68 18.01 0.32 0.49
5 A' 1561 1520 90.14 114.03 0.17 0.30
6 A' 1353 1318 4.92 45.13 0.56 0.72
7 A' 1098 1070 14.05 0.41 0.44 0.61
8 A' 1061 1034 0.91 13.43 0.74 0.85
9 A' 1025 998 6.07 11.28 0.65 0.79
10 A' 876 853 14.87 0.14 0.26 0.41
11 A' 791 771 70.85 7.71 0.31 0.47
12 A' 675 658 4.49 12.71 0.72 0.84
13 A' 608 592 7.02 16.03 0.63 0.77
14 A" 946 921 3.10 9.26 0.75 0.86
15 A" 822 801 21.89 1.61 0.75 0.86
16 A" 790 770 42.96 0.30 0.75 0.86
17 A" 539 525 13.44 5.65 0.75 0.86
18 A" 398 388 0.66 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11754.7 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 11449.1 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 PM3
ABC
0.27784 0.17950 0.10905

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.196 0.000
C2 -1.223 -0.053 0.000
C3 1.216 -0.032 0.000
N4 -0.738 -1.285 0.000
C5 0.671 -1.287 0.000
H6 -2.297 0.138 0.000
H7 2.280 0.194 0.000
H8 1.199 -2.243 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.74841.72822.58892.57252.52902.49103.6423
C21.74842.43831.32372.26011.09083.51193.2647
C31.72822.43832.32081.36803.51631.08872.2110
N42.58891.32372.32081.40892.11043.36142.1606
C52.57252.26011.36801.40893.29192.18731.0920
H62.52901.09083.51632.11043.29194.57764.2291
H72.49103.51191.08873.36142.18734.57762.6664
H83.64233.26472.21102.16061.09204.22912.6664

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 114.141 S1 C2 H6 124.294
S1 C3 C5 111.848 S1 C3 H7 122.707
C2 S1 C3 89.071 C2 N4 C5 111.563
C3 C5 N4 113.376 C3 C5 H8 127.643
N4 C2 H6 121.564 N4 C5 H8 118.981
C5 C3 H7 125.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability