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

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-44.476813
Energy at 298.15K-44.483213
Nuclear repulsion energy110.203704
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-121G*
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 3425 3094 2.91      
2 A 3394 3067 5.33      
3 A 3279 2962 33.08      
4 A 3262 2947 30.88      
5 A 3196 2887 39.01      
6 A 1731 1564 50.39      
7 A 1629 1471 56.68      
8 A 1615 1459 2.62      
9 A 1608 1453 5.49      
10 A 1546 1397 1.87      
11 A 1459 1318 27.64      
12 A 1360 1228 1.30      
13 A 1255 1134 7.99      
14 A 1160 1048 1.34      
15 A 1102 995 4.72      
16 A 1013 915 24.59      
17 A 955 863 30.97      
18 A 928 839 34.30      
19 A 898 812 7.08      
20 A 839 758 28.06      
21 A 720 650 1.97      
22 A 700 633 1.41      
23 A 588 531 3.09      
24 A 509 460 5.62      
25 A 348 315 2.51      
26 A 247 223 5.15      
27 A 154 139 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 19460.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 17580.3 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/CEP-121G*
ABC
0.24439 0.08382 0.06314

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.085 -1.692 -0.001
C2 0.646 0.036 -0.000
C3 -1.339 -0.917 0.000
H4 2.499 -0.583 0.878
H5 2.596 0.944 -0.001
H6 2.499 -0.586 -0.877
C7 2.152 -0.046 0.000
S8 -1.795 0.759 0.000
N9 -0.082 -1.150 -0.000
H10 0.234 2.179 -0.000
C11 -0.101 1.161 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.23231.07574.79745.37234.79644.54592.46842.07544.51253.4746
C23.23232.20252.14162.15062.14161.50812.54631.39202.18201.3503
C31.07572.20253.95144.35313.95083.59841.73721.27893.47282.4184
H44.79742.14163.95141.76491.75461.08624.58392.78423.67833.2516
H55.37232.15064.35311.76491.76491.08484.39503.39942.66522.7060
H64.79642.14163.95081.75461.76491.08624.58422.78323.67943.2524
C74.54591.50813.59841.08621.08481.08624.02862.49202.93742.5562
S82.46842.54631.73724.58394.39504.58424.02862.56562.47651.7407
N92.07541.39201.27892.78423.39942.78322.49202.56563.34402.3109
H104.51252.18203.47283.67832.66523.67942.93742.47653.34401.0721
C113.47461.35032.41843.25162.70603.25242.55621.74072.31091.0721

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 120.878 H1 C3 N9 123.401
C2 C7 H4 110.223 C2 C7 H5 111.028
C2 C7 H6 110.222 C2 N9 C3 111.030
C2 C11 S8 110.296 C2 C11 H10 128.140
C3 S8 C11 88.112 H4 C7 H5 108.769
H4 C7 H6 107.746 H5 C7 H6 108.771
C7 C2 N9 118.415 C7 C2 C11 126.743
S8 C3 N9 115.721 S8 C11 H10 121.564
N9 C2 C11 114.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.242      
2 C 0.057      
3 C -0.170      
4 H 0.182      
5 H 0.174      
6 H 0.182      
7 C -0.591      
8 S -0.006      
9 N -0.061      
10 H 0.275      
11 C -0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.016 1.153 -0.000 1.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.833 3.852 0.001
y 3.852 -41.474 0.000
z 0.001 0.000 -44.424
Traceless
 xyz
x 5.115 3.852 0.001
y 3.852 -0.345 0.000
z 0.001 0.000 -4.771
Polar
3z2-r2-9.542
x2-y23.640
xy3.852
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.423 -0.696 0.000
y -0.696 9.729 -0.000
z 0.000 -0.000 5.758


<r2> (average value of r2) Å2
<r2> 125.736
(<r2>)1/2 11.213