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/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=FULL/3-21G
 hartrees
Energy at 0K-564.819843
Energy at 298.15K 
HF Energy-564.362245
Nuclear repulsion energy198.079475
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/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' 3324 3173 2.36 121.10 0.19 0.32
2 A' 3302 3153 1.36 74.07 0.30 0.46
3 A' 3283 3134 0.94 89.46 0.52 0.68
4 A' 1470 1403 3.59 7.17 0.28 0.43
5 A' 1402 1338 26.15 8.44 0.17 0.29
6 A' 1328 1268 41.20 12.04 0.35 0.51
7 A' 1258 1201 14.21 3.71 0.67 0.80
8 A' 1168 1115 6.34 6.91 0.57 0.73
9 A' 1000 955 0.80 2.50 0.35 0.52
10 A' 861 822 11.28 1.17 0.28 0.44
11 A' 798 762 57.58 9.99 0.34 0.51
12 A' 651 621 3.57 6.88 0.68 0.81
13 A' 541 517 23.76 15.71 0.37 0.54
14 A" 939 896 0.34 0.98 0.75 0.86
15 A" 821 784 72.87 0.74 0.75 0.86
16 A" 779 744 26.58 5.06 0.75 0.86
17 A" 615 587 15.46 1.02 0.75 0.86
18 A" 457 437 0.34 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11997.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 11455.5 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/3-21G
ABC
0.26757 0.16820 0.10328

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.252 0.000
C2 -1.255 -0.117 0.000
C3 1.251 -0.058 0.000
N4 -0.747 -1.326 0.000
C5 0.674 -1.297 0.000
H6 -2.305 0.130 0.000
H7 2.301 0.184 0.000
H8 1.210 -2.234 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.85701.81102.68342.63652.56332.53723.6902
C21.85702.50661.31132.26131.07813.56923.2494
C31.81102.50662.36591.36713.56031.07802.1771
N42.68341.31132.36591.42082.13193.40142.1571
C52.63652.26131.36711.42083.30252.20051.0797
H62.56331.07813.56032.13193.30254.60634.2354
H72.53723.56921.07803.40142.20054.60632.6532
H83.69023.24942.17712.15711.07974.23542.6532

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 114.671 S1 C2 H6 119.298
S1 C3 C5 111.348 S1 C3 H7 120.738
C2 S1 C3 86.204 C2 N4 C5 111.661
C3 C5 N4 116.117 C3 C5 H8 125.277
N4 C2 H6 126.031 N4 C5 H8 118.607
C5 C3 H7 127.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability