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All results from a given calculation for C3H3NS (Thiazole)

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-568.146472
Energy at 298.15K 
HF Energy-567.312886
Nuclear repulsion energy204.937404
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 QCISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3314 3140 2.05      
2 A' 3278 3105 0.23      
3 A' 3272 3100 3.25      
4 A' 1570 1488 24.19      
5 A' 1476 1399 26.01      
6 A' 1377 1305 5.83      
7 A' 1289 1221 12.91      
8 A' 1168 1107 4.01      
9 A' 1077 1020 7.11      
10 A' 898 851 14.88      
11 A' 883 836 42.65      
12 A' 774 733 0.81      
13 A' 622 589 0.94      
14 A" 935 886 0.01      
15 A" 850 805 31.31      
16 A" 760 720 21.44      
17 A" 617 584 15.64      
18 A" 473 448 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 12315.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 11667.8 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 QCISD/6-31G(2df,p)
ABC
0.28422 0.18275 0.11123

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.186 0.000
C2 -1.197 -0.068 0.000
C3 1.221 -0.033 0.000
N4 -0.741 -1.283 0.000
C5 0.641 -1.263 0.000
H6 -2.250 0.175 0.000
H7 2.270 0.217 0.000
H8 1.176 -2.202 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 N4 C5 H6 H7 H8
S11.73391.72562.57782.53162.46692.46793.5863
C21.73392.41881.29812.19281.08083.47863.1918
C31.72562.41882.32631.35993.47791.07772.1693
N42.57781.29812.32631.38202.09923.36322.1257
C52.53162.19281.35991.38203.22962.20041.0806
H62.46691.08083.47792.09923.22964.52024.1706
H72.46793.47861.07773.36322.20044.52022.6543
H83.58633.19182.16932.12571.08064.17062.6543

picture of Thiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 N4 115.724 S1 C2 H6 120.658
S1 C3 C5 109.701 S1 C3 H7 121.644
C2 S1 C3 88.727 C2 N4 C5 109.768
C3 C5 N4 116.081 C3 C5 H8 125.070
N4 C2 H6 123.618 N4 C5 H8 118.849
C5 C3 H7 128.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability