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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-603.193482
Energy at 298.15K-603.199841
Nuclear repulsion energy270.343372
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/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 3479 3150 4.42      
2 A 3445 3119 1.80      
3 A 3286 2976 13.62      
4 A 3263 2955 12.37      
5 A 3210 2907 16.01      
6 A 1752 1586 13.09      
7 A 1661 1504 69.78      
8 A 1650 1495 9.54      
9 A 1650 1494 6.85      
10 A 1584 1434 5.23      
11 A 1410 1277 11.92      
12 A 1328 1203 6.84      
13 A 1246 1128 7.45      
14 A 1223 1107 16.55      
15 A 1142 1034 9.04      
16 A 1000 905 64.47      
17 A 957 867 4.00      
18 A 957 866 18.62      
19 A 870 788 39.31      
20 A 817 740 5.79      
21 A 730 661 0.25      
22 A 655 593 11.94      
23 A 575 520 9.25      
24 A 504 456 9.45      
25 A 344 312 2.53      
26 A 255 231 5.22      
27 A 137 124 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 19563.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 17716.3 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/3-21G
ABC
0.23743 0.08209 0.06169

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.506 2.069 -0.000
C2 -0.962 -0.069 -0.000
C3 0.881 1.205 0.000
H4 -2.859 0.322 0.876
H5 -2.776 -1.205 -0.001
H6 -2.859 0.324 -0.875
C7 -2.456 -0.172 0.000
S8 1.607 -0.457 0.000
N9 -0.387 1.221 -0.000
H10 -0.290 -2.114 -0.000
C11 -0.083 -1.071 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.26461.06534.78195.38934.78124.55132.52762.07384.55193.5181
C23.26462.24092.12592.14002.12581.49762.59791.41252.15261.3329
C31.06532.24093.94174.37983.94133.61031.81381.26863.52022.4718
H44.78192.12593.94171.76331.75171.08374.61712.77233.64713.2273
H55.38932.14004.37981.76331.76331.08154.44563.40472.64622.6962
H64.78122.12583.94131.75171.76331.08374.61722.77163.64793.2277
C74.55131.49763.61031.08371.08151.08374.07272.49422.90902.5378
S82.52762.59791.81384.61714.44564.61724.07272.60632.51891.7974
N92.07381.41251.26862.77233.40472.77162.49422.60633.33692.3121
H104.55192.15263.52023.64712.64623.64792.90902.51893.33691.0639
C113.51811.33292.47183.22732.69623.22772.53781.79742.31211.0639

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 120.548 H1 C3 N9 125.157
C2 C7 H4 109.851 C2 C7 H5 111.124
C2 C7 H6 109.849 C2 N9 C3 113.289
C2 C11 S8 111.317 C2 C11 H10 127.467
C3 S8 C11 86.385 H4 C7 H5 109.052
H4 C7 H6 107.843 H5 C7 H6 109.054
C7 C2 N9 117.951 C7 C2 C11 127.336
S8 C3 N9 114.295 S8 C11 H10 121.216
N9 C2 C11 114.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.287 0.124   0.160
2 C 0.287 0.555   0.635
3 C -0.219 0.258   0.196
4 H 0.239 0.188   0.229
5 H 0.212 0.137   0.178
6 H 0.239 0.188   0.229
7 C -0.601 -0.610   -0.768
8 S 0.506 -0.104   -0.087
9 N -0.574 -0.588   -0.583
10 H 0.280 0.258   0.286
11 C -0.656 -0.407   -0.474


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.368 -0.949 -0.000 1.018
CHELPG -0.280 -0.912 0.001 0.954
AIM        
ESP -0.359 -0.870 -0.000 0.941


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.729 5.273 -0.001
y 5.273 -41.698 -0.000
z -0.001 -0.000 -46.103
Traceless
 xyz
x 3.172 5.273 -0.001
y 5.273 1.718 -0.000
z -0.001 -0.000 -4.890
Polar
3z2-r2-9.780
x2-y20.970
xy5.273
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.567 -0.279 -0.000
y -0.279 8.563 0.000
z -0.000 0.000 3.834


<r2> (average value of r2) Å2
<r2> 183.491
(<r2>)1/2 13.546