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

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 C1 1A
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-44.317741
Energy at 298.15K-44.324100
Nuclear repulsion energy108.574990
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 3485 3141 4.18      
2 A 3472 3130 2.45      
3 A 3323 2995 43.69      
4 A 3305 2979 42.79      
5 A 3227 2909 46.27      
6 A 1742 1570 16.16      
7 A 1627 1467 67.02      
8 A 1623 1463 26.50      
9 A 1614 1455 11.01      
10 A 1572 1417 6.50      
11 A 1448 1305 15.89      
12 A 1352 1219 1.89      
13 A 1266 1141 5.61      
14 A 1193 1075 5.14      
15 A 1127 1016 5.23      
16 A 995 897 19.34      
17 A 952 859 37.01      
18 A 892 804 38.29      
19 A 877 791 20.98      
20 A 849 765 6.41      
21 A 713 643 0.40      
22 A 702 633 5.83      
23 A 580 523 7.20      
24 A 498 449 10.61      
25 A 345 311 2.99      
26 A 249 225 6.56      
27 A 149 134 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 19587.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 17656.0 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
0.23576 0.08086 0.06089

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.094 -1.728 -0.000
C2 0.669 0.042 0.000
C3 -1.353 -0.952 0.000
H4 2.524 -0.585 0.880
H5 2.626 0.946 -0.001
H6 2.523 -0.586 -0.879
C7 2.178 -0.044 0.000
S8 -1.840 0.777 0.000
N9 -0.078 -1.161 -0.000
H10 0.239 2.198 -0.000
C11 -0.091 1.180 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.28061.07214.83725.42444.83654.59142.51772.09364.56643.5305
C23.28062.25332.14642.15602.14631.51182.61381.41582.19871.3683
C31.07212.25333.99244.40903.99203.64631.79641.29223.52982.4778
H44.83722.14643.99241.76931.75861.08884.65462.80613.70673.2748
H55.42442.15604.40901.76931.76931.08704.46863.42812.69542.7269
H64.83652.14633.99201.75861.76931.08884.65482.80553.70743.2752
C74.59141.51183.64631.08881.08701.08884.10072.51742.96462.5782
S82.51772.61381.79644.65464.46864.65484.10072.61892.51771.7943
N92.09361.41581.29222.80613.42812.80552.51742.61893.37392.3408
H104.56642.19873.52983.70672.69543.70742.96462.51773.37391.0703
C113.53051.36832.47783.27482.72693.27522.57821.79432.34081.0703

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 120.631 H1 C3 N9 124.374
C2 C7 H4 110.186 C2 C7 H5 111.063
C2 C7 H6 110.182 C2 N9 C3 112.547
C2 C11 S8 110.760 C2 C11 H10 128.323
C3 S8 C11 87.268 H4 C7 H5 108.807
H4 C7 H6 107.715 H5 C7 H6 108.807
C7 C2 N9 118.574 C7 C2 C11 126.995
S8 C3 N9 114.995 S8 C11 H10 120.917
N9 C2 C11 114.431
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 H 0.277      
2 C -0.245      
3 C -0.453      
4 H 0.128      
5 H 0.124      
6 H 0.128      
7 C -0.239      
8 S 0.179      
9 N 0.161      
10 H 0.313      
11 C -0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.403 1.161 -0.000 1.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.196 4.925 0.001
y 4.925 -43.019 0.000
z 0.001 0.000 -45.000
Traceless
 xyz
x 4.814 4.925 0.001
y 4.925 -0.921 0.000
z 0.001 0.000 -3.893
Polar
3z2-r2-7.785
x2-y23.823
xy4.925
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.099 -0.714 0.000
y -0.714 9.426 -0.000
z 0.000 -0.000 4.267


<r2> (average value of r2) Å2
<r2> 129.532
(<r2>)1/2 11.381