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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-604.789075
Energy at 298.15K-604.794905
Nuclear repulsion energy266.464885
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 PBEPBE/3-21G
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 3235 3205 2.18      
2 A 3208 3179 0.93      
3 A 3085 3057 7.96      
4 A 3049 3021 9.13      
5 A 2991 2964 13.20      
6 A 1539 1525 8.97      
7 A 1497 1484 8.77      
8 A 1482 1469 15.59      
9 A 1445 1432 50.34      
10 A 1413 1400 13.30      
11 A 1268 1256 10.65      
12 A 1189 1178 5.11      
13 A 1135 1124 3.55      
14 A 1074 1064 11.87      
15 A 1018 1009 13.59      
16 A 870 862 7.71      
17 A 813 806 31.47      
18 A 807 800 74.06      
19 A 755 749 0.89      
20 A 740 733 14.67      
21 A 638 633 0.35      
22 A 576 571 12.86      
23 A 521 516 13.81      
24 A 462 458 3.47      
25 A 317 314 2.09      
26 A 227 224 4.62      
27 A 111 110 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 17733.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 17571.7 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 PBEPBE/3-21G
ABC
0.22896 0.08021 0.06008

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.541 2.097 0.000
C2 -0.978 -0.049 -0.000
C3 0.884 1.232 0.000
H4 -2.906 0.288 0.892
H5 -2.762 -1.263 -0.001
H6 -2.906 0.289 -0.891
C7 -2.475 -0.200 0.000
S8 1.628 -0.467 -0.000
N9 -0.419 1.250 0.000
H10 -0.266 -2.142 -0.000
C11 -0.067 -1.075 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.30901.08644.88315.45984.88284.62692.56582.13584.60813.5564
C23.30902.25972.15122.15842.15111.50512.63971.41332.21071.3718
C31.08642.25974.00624.41814.00593.65161.85531.30313.56452.4953
H44.88312.15124.00621.79591.78331.10444.68282.81133.69733.2730
H55.45982.15844.41811.79591.79601.10134.46213.43562.64572.7012
H64.88282.15114.00591.78331.79601.10444.68302.81103.69773.2733
C74.62691.50513.65161.10441.10131.10444.11242.51562.94102.5619
S82.56582.63971.85534.68284.46214.68304.11242.67212.52871.8014
N92.13581.41331.30312.81133.43562.81102.51562.67213.39472.3508
H104.60812.21073.56453.69732.64573.69772.94102.52873.39471.0854
C113.55641.37182.49533.27302.70123.27332.56191.80142.35081.0854

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 119.101 H1 C3 N9 126.470
C2 C7 H4 110.100 C2 C7 H5 110.862
C2 C7 H6 110.098 C2 N9 C3 112.519
C2 C11 S8 111.872 C2 C11 H10 127.852
C3 S8 C11 86.048 H4 C7 H5 109.018
H4 C7 H6 107.672 H5 C7 H6 109.020
C7 C2 N9 119.055 C7 C2 C11 125.811
S8 C3 N9 114.428 S8 C11 H10 120.276
N9 C2 C11 115.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.256      
2 C 0.265      
3 C -0.259      
4 H 0.237      
5 H 0.212      
6 H 0.237      
7 C -0.639      
8 S 0.483      
9 N -0.439      
10 H 0.240      
11 C -0.593      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.386 -0.888 0.000 0.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.341 4.462 0.000
y 4.462 -40.753 0.000
z 0.000 0.000 -45.185
Traceless
 xyz
x 3.628 4.462 0.000
y 4.462 1.511 0.000
z 0.000 0.000 -5.138
Polar
3z2-r2-10.277
x2-y21.412
xy4.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.762 -0.243 -0.000
y -0.243 9.249 0.000
z -0.000 0.000 4.044


<r2> (average value of r2) Å2
<r2> 186.974
(<r2>)1/2 13.674