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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: HF/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 HF/CEP-31G*
 hartrees
Energy at 0K-37.803268
Energy at 298.15K 
HF Energy-37.803268
Nuclear repulsion energy77.282775
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 HF/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' 3466 3113 5.84 105.34 0.28 0.44
2 A' 3433 3083 1.63 103.91 0.24 0.38
3 A' 3426 3077 15.71 72.23 0.70 0.83
4 A' 1720 1544 40.61 4.92 0.22 0.37
5 A' 1600 1436 42.57 51.62 0.13 0.23
6 A' 1474 1324 7.16 8.28 0.63 0.77
7 A' 1373 1233 14.50 2.24 0.24 0.38
8 A' 1233 1107 8.61 8.65 0.68 0.81
9 A' 1148 1031 13.53 11.27 0.38 0.55
10 A' 962 864 14.93 0.72 0.19 0.31
11 A' 925 830 42.79 13.76 0.23 0.37
12 A' 816 733 1.29 7.19 0.74 0.85
13 A' 664 596 1.20 9.89 0.46 0.63
14 A" 1034 928 0.01 5.55 0.75 0.86
15 A" 947 850 31.21 1.89 0.75 0.86
16 A" 835 750 48.95 2.92 0.75 0.86
17 A" 652 585 25.65 3.92 0.75 0.86
18 A" 492 441 0.16 0.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13098.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 11762.6 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 HF/CEP-31G*
ABC
0.28251 0.18237 0.11083

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.189 0.000
C2 -1.198 -0.071 0.000
C3 1.230 -0.036 0.000
N4 -0.746 -1.276 0.000
C5 0.639 -1.269 0.000
H6 -2.250 0.170 0.000
H7 2.278 0.201 0.000
H8 1.168 -2.208 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73901.73632.57582.53962.46992.48313.5927
C21.73902.42801.28692.19271.07913.48683.1881
C31.73632.42802.33241.36653.48571.07502.1728
N42.57581.28692.33241.38482.08643.36572.1286
C52.53962.19271.36651.38483.22712.20181.0783
H62.46991.07913.48572.08643.22714.52814.1636
H72.48313.48681.07503.36572.20184.52812.6533
H83.59273.18812.17282.12861.07834.16362.6533

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.891 S1 C2 H6 120.627
S1 C3 C5 109.288 S1 C3 H7 122.308
C2 S1 C3 88.636 C2 N4 C5 110.255
C3 C5 N4 115.930 C3 C5 H8 125.016
N4 C2 H6 123.482 N4 C5 H8 119.054
C5 C3 H7 128.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.021      
2 C -0.366      
3 C -0.146      
4 N 0.133      
5 C -0.412      
6 H 0.256      
7 H 0.306      
8 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.976 1.165 0.000 1.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.794 -3.769 0.000
y -3.769 -37.552 0.000
z 0.000 0.000 -38.187
Traceless
 xyz
x 8.075 -3.769 0.000
y -3.769 -3.562 0.000
z 0.000 0.000 -4.514
Polar
3z2-r2-9.027
x2-y27.758
xy-3.769
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.886 0.074 0.000
y 0.074 8.900 0.000
z 0.000 0.000 3.557


<r2> (average value of r2) Å2
<r2> 77.829
(<r2>)1/2 8.822