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: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-567.958036
Energy at 298.15K 
HF Energy-567.285499
Nuclear repulsion energy204.812085
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 MP2/6-31G*
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' 3321 3132 1.92 107.27 0.22 0.35
2 A' 3294 3106 0.36 91.48 0.31 0.47
3 A' 3281 3094 3.32 98.45 0.42 0.60
4 A' 1517 1431 11.58 4.58 0.43 0.60
5 A' 1435 1353 30.66 15.96 0.27 0.42
6 A' 1388 1309 10.62 3.97 0.46 0.63
7 A' 1295 1221 10.03 3.35 0.54 0.70
8 A' 1182 1114 5.12 5.51 0.64 0.78
9 A' 1095 1033 7.73 8.96 0.23 0.37
10 A' 918 866 6.67 7.18 0.17 0.29
11 A' 906 854 51.45 6.04 0.19 0.32
12 A' 786 741 0.97 5.69 0.73 0.85
13 A' 634 598 0.70 9.17 0.43 0.60
14 A" 858 809 0.41 1.89 0.75 0.86
15 A" 788 743 68.13 0.23 0.75 0.86
16 A" 714 673 8.07 3.32 0.75 0.86
17 A" 608 573 13.35 0.42 0.75 0.86
18 A" 472 445 0.23 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12245.3 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 11547.3 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 MP2/6-31G*
ABC
0.28526 0.18207 0.11114

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.184 0.000
C2 -1.199 -0.060 0.000
C3 1.217 -0.023 0.000
N4 -0.734 -1.292 0.000
C5 0.639 -1.269 0.000
H6 -2.254 0.186 0.000
H7 2.268 0.232 0.000
H8 1.185 -2.206 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.72711.71382.58222.53502.46492.45983.5907
C21.72712.41601.31662.19981.08363.47913.2077
C31.71382.41602.32791.37443.47741.08162.1831
N42.58221.31662.32791.37322.11983.36722.1263
C52.53502.19981.37441.37323.23832.21591.0842
H62.46491.08363.47742.11983.23834.52254.1894
H72.45983.47911.08163.36722.21594.52252.6674
H83.59073.20772.18312.12631.08424.18942.6674

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.406 S1 C2 H6 120.832
S1 C3 C5 109.856 S1 C3 H7 121.623
C2 S1 C3 89.200 C2 N4 C5 109.715
C3 C5 N4 115.822 C3 C5 H8 124.817
N4 C2 H6 123.762 N4 C5 H8 119.361
C5 C3 H7 128.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability