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All results from a given calculation for C4H5NS (4-Methylthiazole)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-606.361284
Energy at 298.15K-606.367735
Nuclear repulsion energy275.632013
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/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 3416 3093 3.22      
2 A 3374 3055 3.47      
3 A 3260 2952 21.91      
4 A 3239 2933 20.02      
5 A 3178 2877 26.98      
6 A 1751 1586 53.17      
7 A 1641 1486 37.30      
8 A 1604 1452 6.90      
9 A 1594 1443 4.41      
10 A 1538 1393 1.82      
11 A 1464 1325 25.81      
12 A 1362 1233 1.56      
13 A 1253 1134 7.01      
14 A 1163 1053 3.43      
15 A 1103 999 6.90      
16 A 1016 920 23.14      
17 A 970 878 21.56      
18 A 928 841 36.10      
19 A 901 816 6.87      
20 A 851 771 18.42      
21 A 723 654 1.81      
22 A 716 648 1.73      
23 A 591 535 2.48      
24 A 521 472 4.36      
25 A 353 320 2.30      
26 A 251 228 3.68      
27 A 155 141 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 19456.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 17617.6 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/6-31G(2df,p)
ABC
0.24782 0.08521 0.06416

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.539 2.007 0.000
C2 -0.936 -0.048 -0.000
C3 0.899 1.145 0.000
H4 -2.844 0.328 0.876
H5 -2.743 -1.198 -0.001
H6 -2.844 0.329 -0.875
C7 -2.429 -0.161 -0.000
S8 1.555 -0.444 -0.000
N9 -0.371 1.213 0.000
H10 -0.256 -2.110 0.000
C11 -0.055 -1.060 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.21631.07314.77445.34864.77414.52162.45122.06804.49133.4564
C23.21632.18872.13312.14252.13301.49772.52161.38162.17131.3415
C31.07312.18873.93044.33113.93023.57561.71901.27203.45422.4028
H44.77442.13313.93041.76271.75061.08544.55102.76903.66153.2357
H55.34862.14254.33111.76271.76271.08364.36333.38262.64862.6912
H64.77412.13303.93021.75061.76271.08544.55112.76863.66233.2362
C74.52161.49773.57561.08541.08361.08543.99372.47492.91882.5382
S82.45122.52161.71904.55104.36334.55113.99372.54042.46061.7237
N92.06801.38161.27202.76903.38262.76862.47492.54043.32512.2948
H104.49132.17133.45423.66152.64863.66232.91882.46063.32511.0692
C113.45641.34152.40283.23572.69123.23622.53821.72372.29481.0692

picture of 4-Methylthiazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 S8 121.024 H1 C3 N9 123.509
C2 C7 H4 110.314 C2 C7 H5 111.183
C2 C7 H6 110.313 C2 N9 C3 111.073
C2 C11 S8 110.085 C2 C11 H10 128.151
C3 S8 C11 88.526 H4 C7 H5 108.717
H4 C7 H6 107.497 H5 C7 H6 108.720
C7 C2 N9 118.477 C7 C2 C11 126.674
S8 C3 N9 115.467 S8 C11 H10 121.763
N9 C2 C11 114.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.186      
2 C 0.272      
3 C -0.073      
4 H 0.159      
5 H 0.143      
6 H 0.159      
7 C -0.462      
8 S 0.027      
9 N -0.289      
10 H 0.180      
11 C -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.082 -1.067 0.000 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.667 4.292 0.000
y 4.292 -40.826 -0.000
z 0.000 -0.000 -44.394
Traceless
 xyz
x 2.942 4.292 0.000
y 4.292 1.204 -0.000
z 0.000 -0.000 -4.147
Polar
3z2-r2-8.294
x2-y21.159
xy4.292
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.345 -0.326 0.000
y -0.326 9.184 0.000
z 0.000 0.000 5.472


<r2> (average value of r2) Å2
<r2> 177.194
(<r2>)1/2 13.311