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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-38.441449
Energy at 298.15K 
HF Energy-37.799050
Nuclear repulsion energy76.306879
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/CEP-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' 3289 3122 1.89 99.50 0.25 0.40
2 A' 3265 3100 0.17 84.69 0.30 0.46
3 A' 3252 3088 5.01 72.22 0.52 0.68
4 A' 1493 1418 12.05 5.39 0.27 0.43
5 A' 1411 1340 36.70 19.07 0.19 0.32
6 A' 1357 1288 5.05 4.04 0.60 0.75
7 A' 1259 1195 12.51 1.88 0.42 0.59
8 A' 1155 1097 8.32 4.94 0.59 0.74
9 A' 1065 1011 9.09 9.99 0.21 0.35
10 A' 904 858 10.03 10.19 0.19 0.31
11 A' 890 845 43.27 7.48 0.17 0.29
12 A' 776 736 0.62 7.76 0.70 0.83
13 A' 620 588 0.67 10.80 0.50 0.67
14 A" 853 810 1.87 1.38 0.75 0.86
15 A" 786 747 97.58 0.07 0.75 0.86
16 A" 707 671 10.38 3.22 0.75 0.86
17 A" 609 578 11.35 2.31 0.75 0.86
18 A" 463 440 0.22 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12077.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11466.3 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/CEP-31G*
ABC
0.27925 0.17726 0.10843

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.198 0.000
C2 -1.209 -0.063 0.000
C3 1.235 -0.015 0.000
N4 -0.744 -1.310 0.000
C5 0.641 -1.288 0.000
H6 -2.275 0.185 0.000
H7 2.295 0.242 0.000
H8 1.193 -2.232 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.74771.73132.61692.56752.49002.48623.6320
C21.74772.44461.33102.21881.09383.51783.2364
C31.73132.44462.36521.40433.51501.09122.2174
N42.61691.33102.36521.38552.13983.41322.1453
C52.56752.21881.40431.38553.26662.25331.0938
H62.49001.09383.51502.13983.26664.57014.2270
H72.48623.51781.09123.41322.25334.57012.7090
H83.63203.23642.21742.14531.09384.22702.7090

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.763 S1 C2 H6 120.647
S1 C3 C5 109.494 S1 C3 H7 121.840
C2 S1 C3 89.282 C2 N4 C5 109.514
C3 C5 N4 115.947 C3 C5 H8 124.692
N4 C2 H6 123.590 N4 C5 H8 119.361
C5 C3 H7 128.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability