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

using model chemistry: HF/6-31G

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
 hartrees
Energy at 0K-606.190614
Energy at 298.15K-606.197016
Nuclear repulsion energy270.847718
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
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 3484 3146 3.89      
2 A 3470 3133 0.46      
3 A 3288 2968 20.10      
4 A 3268 2950 17.83      
5 A 3202 2891 25.38      
6 A 1767 1596 21.57      
7 A 1674 1511 69.59      
8 A 1642 1483 10.61      
9 A 1635 1476 7.84      
10 A 1589 1435 5.61      
11 A 1450 1309 16.13      
12 A 1358 1226 3.62      
13 A 1270 1147 6.47      
14 A 1214 1096 10.08      
15 A 1141 1030 6.37      
16 A 1000 903 17.30      
17 A 974 879 53.58      
18 A 911 822 17.80      
19 A 889 803 38.96      
20 A 843 762 4.73      
21 A 728 657 0.93      
22 A 694 627 7.64      
23 A 585 528 7.07      
24 A 505 456 9.99      
25 A 356 322 2.71      
26 A 253 229 4.99      
27 A 142 128 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 19665.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17755.7 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
ABC
0.23970 0.08221 0.06191

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.505 2.062 -0.000
C2 -0.964 -0.066 -0.000
C3 0.886 1.195 0.000
H4 -2.865 0.321 0.874
H5 -2.776 -1.201 -0.001
H6 -2.865 0.323 -0.873
C7 -2.453 -0.169 0.000
S8 1.603 -0.451 0.000
N9 -0.390 1.215 -0.000
H10 -0.269 -2.121 -0.000
C11 -0.078 -1.073 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.26011.06594.78455.38294.78354.54392.51472.07564.54373.5119
C23.26012.23892.12732.13752.12731.49242.59631.40442.16901.3415
C31.06592.23893.94884.37573.94823.60671.79501.27573.51092.4637
H44.78452.12733.94881.75841.74721.08344.61762.77293.66933.2365
H55.38292.13754.37571.75841.75841.08154.44283.39592.66972.7011
H64.78352.12733.94821.74721.75841.08344.61792.77193.67043.2372
C74.54391.49243.60671.08341.08151.08344.06632.48472.92912.5417
S82.51472.59631.79504.61764.44284.61794.06632.59762.50911.7924
N92.07561.40441.27572.77293.39592.77192.48472.59763.33822.3092
H104.54372.16903.51093.66932.66973.67042.92912.50913.33821.0653
C113.51191.34152.46373.23652.70113.23722.54171.79242.30921.0653

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 120.904 H1 C3 N9 124.611
C2 C7 H4 110.350 C2 C7 H5 111.293
C2 C7 H6 110.346 C2 N9 C3 113.232
C2 C11 S8 111.066 C2 C11 H10 128.261
C3 S8 C11 86.748 H4 C7 H5 108.631
H4 C7 H6 107.484 H5 C7 H6 108.632
C7 C2 N9 118.102 C7 C2 C11 127.429
S8 C3 N9 114.484 S8 C11 H10 120.672
N9 C2 C11 114.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.243 0.095    
2 C 0.269 0.607    
3 C -0.243 0.343    
4 H 0.188 0.177    
5 H 0.163 0.121    
6 H 0.188 0.176    
7 C -0.450 -0.581    
8 S 0.444 -0.128    
9 N -0.443 -0.672    
10 H 0.238 0.234    
11 C -0.599 -0.371    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.262 -1.123 -0.000 1.153
CHELPG -0.172 -1.067 0.001 1.081
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.789 5.379 -0.001
y 5.379 -42.021 -0.000
z -0.001 -0.000 -45.628
Traceless
 xyz
x 3.036 5.379 -0.001
y 5.379 1.187 -0.000
z -0.001 -0.000 -4.223
Polar
3z2-r2-8.447
x2-y21.232
xy5.379
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.929 -0.377 -0.000
y -0.377 8.952 0.000
z -0.000 0.000 4.440


<r2> (average value of r2) Å2
<r2> 183.003
(<r2>)1/2 13.528