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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-607.978603
Energy at 298.15K-607.984660
HF Energy-607.708881
Nuclear repulsion energy272.864693
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 B2PLYP/6-31G*
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 3300 3133 1.47      
2 A 3275 3109 1.19      
3 A 3174 3013 14.37      
4 A 3154 2993 13.34      
5 A 3087 2930 20.85      
6 A 1590 1509 19.50      
7 A 1532 1454 18.54      
8 A 1526 1449 5.75      
9 A 1487 1412 39.10      
10 A 1457 1383 3.00      
11 A 1371 1301 13.10      
12 A 1278 1213 1.13      
13 A 1187 1127 3.85      
14 A 1090 1034 3.43      
15 A 1038 985 7.68      
16 A 956 908 17.65      
17 A 898 852 28.32      
18 A 840 798 12.42      
19 A 814 772 40.96      
20 A 727 690 8.25      
21 A 678 643 1.89      
22 A 646 613 1.07      
23 A 561 532 2.30      
24 A 486 461 1.57      
25 A 334 317 2.29      
26 A 232 220 3.69      
27 A 126 120 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 18420.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 17484.8 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 B2PLYP/6-31G*
ABC
0.24267 0.08365 0.06293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.553 2.004 -0.000
C2 0.944 -0.004 -0.001
C3 -0.926 1.154 -0.001
H4 2.869 0.459 -0.771
H5 2.694 -1.206 -0.192
H6 2.838 0.129 0.964
C7 2.416 -0.167 0.000
S8 -1.546 -0.461 0.000
N9 0.372 1.208 0.001
H10 0.307 -2.075 0.000
C11 0.061 -1.048 -0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.20341.05634.74705.32664.87104.52412.46502.08284.48223.4524
C23.20342.19862.12502.13202.13071.48192.53111.34012.16641.3671
C31.05632.19863.93424.32504.01863.59371.72991.29913.45542.4128
H44.74702.12503.93421.77131.76641.09184.57562.71883.68543.2790
H55.32662.13204.32501.77131.77171.09194.30923.35502.54802.6446
H64.87102.13074.01861.76641.77171.09334.52762.85933.49213.1666
C74.52411.48193.59371.09181.09191.09333.97312.46402.84412.5145
S82.46502.53111.72994.57564.30924.52763.97312.54302.45661.7109
N92.08281.34011.29912.71883.35502.85932.46402.54303.28362.2778
H104.48222.16643.45543.68542.54803.49212.84412.45663.28361.0554
C113.45241.36712.41283.27902.64463.16662.51451.71092.27781.0554

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 122.583 H1 C3 N9 123.993
C2 C7 H4 110.395 C2 C7 H5 110.951
C2 C7 H6 110.759 C2 N9 C3 112.819
C2 C11 S8 110.134 C2 C11 H10 126.359
C3 S8 C11 89.052 H4 C7 H5 108.411
H4 C7 H6 107.878 H5 C7 H6 108.349
C7 C2 N9 121.565 C7 C2 C11 123.864
S8 C3 N9 113.423 S8 C11 H10 123.507
N9 C2 C11 114.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.206      
2 C 0.290      
3 C -0.131      
4 H 0.180      
5 H 0.161      
6 H 0.180      
7 C -0.505      
8 S 0.258      
9 N -0.419      
10 H 0.202      
11 C -0.423      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.518 -0.240 0.000
y -0.240 9.342 0.000
z 0.000 0.000 4.849


<r2> (average value of r2) Å2
<r2> 179.995
(<r2>)1/2 13.416