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: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-608.306455
Energy at 298.15K-608.312546
Nuclear repulsion energy274.454269
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 B1B95/6-31G*
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 3308 3141 1.52      
2 A 3274 3108 1.20      
3 A 3181 3020 12.86      
4 A 3155 2995 11.40      
5 A 3086 2929 19.83      
6 A 1613 1531 34.10      
7 A 1527 1450 48.54      
8 A 1513 1436 3.28      
9 A 1505 1429 6.56      
10 A 1438 1366 3.84      
11 A 1388 1317 14.66      
12 A 1276 1211 1.06      
13 A 1182 1122 3.70      
14 A 1075 1021 5.09      
15 A 1027 975 9.41      
16 A 965 916 15.61      
17 A 909 863 28.67      
18 A 856 813 12.24      
19 A 829 787 39.71      
20 A 743 706 9.63      
21 A 686 651 1.26      
22 A 656 622 0.39      
23 A 563 535 1.81      
24 A 493 468 1.96      
25 A 332 315 2.39      
26 A 235 223 3.95      
27 A 126 119 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 18470.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 17533.7 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 B1B95/6-31G*
ABC
0.24555 0.08463 0.06368

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.554 2.016 -0.000
C2 0.945 -0.036 0.000
C3 -0.903 1.151 -0.000
H4 2.862 0.310 -0.880
H5 2.732 -1.223 0.000
H6 2.862 0.310 0.880
C7 2.431 -0.174 0.000
S8 -1.560 -0.446 0.000
N9 0.389 1.221 0.000
H10 0.238 -2.120 -0.001
C11 0.043 -1.058 -0.001

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.23351.08214.81505.37154.81494.54722.46222.09904.50733.4644
C23.23352.19692.13712.14462.13711.49232.53891.37472.20081.3637
C31.08212.19693.95714.34133.95713.58821.72731.29403.46452.4038
H44.81502.13713.95711.77211.75981.09294.57192.77883.68253.2544
H55.37152.14464.34131.77211.77211.09064.36143.38542.65002.6934
H64.81492.13713.95711.75981.77211.09294.57182.77843.68323.2549
C74.54721.49233.58821.09291.09061.09294.00062.47352.93172.5464
S82.46222.53891.72734.57194.36144.57184.00062.56502.45661.7162
N92.09901.37471.29402.77883.38542.77842.47352.56503.34462.3058
H104.50732.20083.46453.68252.65003.68322.93172.45663.34461.0792
C113.46441.36372.40383.25442.69343.25492.54641.71622.30581.0792

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 120.687 H1 C3 N9 123.856
C2 C7 H4 110.571 C2 C7 H5 111.312
C2 C7 H6 110.572 C2 N9 C3 110.773
C2 C11 S8 110.521 C2 C11 H10 128.175
C3 S8 C11 88.544 H4 C7 H5 108.507
H4 C7 H6 107.243 H5 C7 H6 108.510
C7 C2 N9 119.200 C7 C2 C11 126.095
S8 C3 N9 115.457 S8 C11 H10 121.303
N9 C2 C11 114.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.205      
2 C 0.278      
3 C -0.165      
4 H 0.190      
5 H 0.169      
6 H 0.190      
7 C -0.537      
8 S 0.276      
9 N -0.381      
10 H 0.202      
11 C -0.428      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.145 -1.184 0.000 1.193
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.574 -3.822 -0.001
y -3.822 -40.558 -0.000
z -0.001 -0.000 -43.724
Traceless
 xyz
x 3.568 -3.822 -0.001
y -3.822 0.591 -0.000
z -0.001 -0.000 -4.159
Polar
3z2-r2-8.317
x2-y21.984
xy-3.822
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.547 0.237 0.000
y 0.237 9.312 0.000
z 0.000 0.000 4.885


<r2> (average value of r2) Å2
<r2> 177.911
(<r2>)1/2 13.338