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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-564.934652
Energy at 298.15K 
HF Energy-564.484583
Nuclear repulsion energy203.863475
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 CISD/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' 3362 3141 3.33      
2 A' 3335 3116 1.03      
3 A' 3331 3113 2.51      
4 A' 1565 1462 7.40      
5 A' 1477 1380 20.18      
6 A' 1391 1300 26.75      
7 A' 1337 1249 6.05      
8 A' 1203 1124 6.66      
9 A' 1052 983 3.22      
10 A' 931 870 19.03      
11 A' 886 828 49.18      
12 A' 769 718 1.12      
13 A' 652 610 4.73      
14 A" 992 927 0.61      
15 A" 897 838 39.40      
16 A" 814 761 47.78      
17 A" 649 606 20.24      
18 A" 497 464 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12569.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 11744.8 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 CISD/3-21G*
ABC
0.27947 0.18158 0.11007

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.190 0.000
C2 -1.211 -0.064 0.000
C3 1.222 -0.037 0.000
N4 -0.749 -1.283 0.000
C5 0.662 -1.273 0.000
H6 -2.257 0.183 0.000
H7 2.268 0.209 0.000
H8 1.193 -2.208 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.74271.73112.58402.55072.47202.47103.6013
C21.74272.43271.30422.22981.07533.48963.2211
C31.73112.43272.33201.35743.48611.07492.1718
N42.58401.30422.33201.41132.10343.36622.1506
C52.55072.22981.35741.41133.26262.18561.0748
H62.47201.07533.48612.10343.26264.52574.1975
H72.47103.48961.07493.36622.18564.52572.6461
H83.60133.22112.17182.15061.07484.19752.6461

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.254 S1 C2 H6 120.775
S1 C3 C5 110.769 S1 C3 H7 121.663
C2 S1 C3 88.899 C2 N4 C5 110.334
C3 C5 N4 114.743 C3 C5 H8 126.099
N4 C2 H6 123.971 N4 C5 H8 119.158
C5 C3 H7 127.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability