return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-608.281152
Energy at 298.15K-608.287423
Nuclear repulsion energy269.908062
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 BLYP/6-31+G**
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 3185 3168 1.13      
2 A 3159 3143 0.73      
3 A 3052 3036 15.47      
4 A 2968 2952 27.49      
5 A 2922 2907 4.76      
6 A 1505 1497 24.37      
7 A 1449 1441 31.52      
8 A 1431 1424 11.12      
9 A 1417 1409 34.20      
10 A 1380 1372 3.11      
11 A 1294 1287 11.21      
12 A 1213 1207 1.39      
13 A 1126 1120 4.97      
14 A 989 984 8.30      
15 A 953 948 13.13      
16 A 910 905 14.39      
17 A 841 837 29.67      
18 A 778 773 10.27      
19 A 725 721 45.10      
20 A 671 667 0.01      
21 A 634 631 3.98      
22 A 591 588 0.76      
23 A 534 531 2.63      
24 A 327 326 2.74      
25 A 285 283 5.89      
26 A 182 181 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17259.9 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 17168.4 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 BLYP/6-31+G**
ABC
0.23738 0.08185 0.06157

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.563 2.054 0.000
C2 -0.964 -0.040 -0.000
C3 0.910 1.181 0.000
H4 -2.904 0.306 0.888
H5 -2.769 -1.239 -0.000
H6 -2.904 0.307 -0.887
C7 -2.468 -0.181 0.000
S8 1.592 -0.454 0.000
N9 -0.401 1.237 -0.000
H10 -0.236 -2.146 -0.000
C11 -0.046 -1.074 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.28201.09014.87815.44184.87774.60912.50732.12734.56833.5176
C23.28202.23682.16112.16712.16111.51022.58901.39602.22791.3829
C31.09012.23684.01214.40384.01193.64201.77101.31243.51832.4495
H44.87812.16114.01211.78771.77531.10284.64472.81393.73073.2955
H55.44182.16714.40381.78771.78771.10014.43113.42662.69082.7282
H64.87772.16114.01191.77531.78771.10284.64492.81353.73123.2958
C74.60911.51023.64201.10281.10011.10284.06852.50662.97332.5811
S82.50732.58901.77104.64474.43114.64494.06852.61362.49041.7514
N92.12731.39601.31242.81393.42662.81352.50662.61363.38712.3388
H104.56832.22793.51833.73072.69083.73122.97332.49043.38711.0880
C113.51761.38292.44953.29552.72823.29582.58111.75142.33881.0880

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 120.535 H1 C3 N9 124.360
C2 C7 H4 110.628 C2 C7 H5 111.270
C2 C7 H6 110.627 C2 N9 C3 111.312
C2 C11 S8 110.840 C2 C11 H10 128.366
C3 S8 C11 88.118 H4 C7 H5 108.489
H4 C7 H6 107.210 H5 C7 H6 108.490
C7 C2 N9 119.141 C7 C2 C11 126.234
S8 C3 N9 115.105 S8 C11 H10 120.794
N9 C2 C11 114.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.155      
2 C 0.140      
3 C -0.065      
4 H 0.167      
5 H 0.142      
6 H 0.167      
7 C -0.759      
8 S 0.146      
9 N -0.111      
10 H 0.149      
11 C -0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.148 -1.292 0.000 1.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.055 4.036 -0.000
y 4.036 -42.576 0.000
z -0.000 0.000 -45.294
Traceless
 xyz
x 3.880 4.036 -0.000
y 4.036 0.098 0.000
z -0.000 0.000 -3.978
Polar
3z2-r2-7.956
x2-y22.521
xy4.036
xz-0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 184.050
(<r2>)1/2 13.566