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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-568.138258
Energy at 298.15K 
HF Energy-567.313148
Nuclear repulsion energy205.309189
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 CCD/6-31G(2df,p)
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 3149 2.14      
2 A' 3286 3113 0.23      
3 A' 3281 3108 3.07      
4 A' 1580 1496 23.03      
5 A' 1477 1399 28.48      
6 A' 1387 1314 5.89      
7 A' 1296 1227 12.75      
8 A' 1175 1113 3.67      
9 A' 1084 1027 6.60      
10 A' 909 861 16.50      
11 A' 891 844 42.09      
12 A' 783 741 1.14      
13 A' 628 595 0.74      
14 A" 940 891 0.00      
15 A" 851 806 32.73      
16 A" 767 726 21.35      
17 A" 623 590 14.29      
18 A" 477 451 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12378.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 11725.1 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 CCD/6-31G(2df,p)
ABC
0.28509 0.18356 0.11166

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.183 0.000
C2 -1.196 -0.066 0.000
C3 1.219 -0.032 0.000
N4 -0.739 -1.280 0.000
C5 0.640 -1.262 0.000
H6 -2.248 0.177 0.000
H7 2.267 0.217 0.000
H8 1.175 -2.200 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.72871.72102.57142.52692.46282.46433.5811
C21.72872.41501.29722.19081.08033.47433.1898
C31.72102.41502.32231.35943.47371.07722.1686
N42.57141.29722.32231.37922.09783.35852.1237
C52.52692.19081.35941.37923.22682.19891.0801
H62.46281.08033.47372.09783.22684.51564.1677
H72.46433.47431.07723.35852.19894.51562.6525
H83.58113.18982.16862.12371.08014.16772.6525

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.642 S1 C2 H6 120.756
S1 C3 C5 109.674 S1 C3 H7 121.737
C2 S1 C3 88.863 C2 N4 C5 109.841
C3 C5 N4 115.981 C3 C5 H8 125.085
N4 C2 H6 123.602 N4 C5 H8 118.934
C5 C3 H7 128.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability