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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-608.241432
Energy at 298.15K-608.247494
Nuclear repulsion energy273.383486
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3287 3145 1.42      
2 A 3256 3115 1.31      
3 A 3158 3021 13.60      
4 A 3130 2995 12.18      
5 A 3064 2932 21.73      
6 A 1593 1524 32.42      
7 A 1513 1448 49.61      
8 A 1503 1438 3.58      
9 A 1501 1436 6.81      
10 A 1435 1373 3.22      
11 A 1374 1314 13.85      
12 A 1269 1214 0.98      
13 A 1177 1126 3.66      
14 A 1074 1027 5.33      
15 A 1025 980 9.26      
16 A 958 916 15.85      
17 A 898 859 29.05      
18 A 842 805 12.61      
19 A 818 783 42.29      
20 A 734 702 9.14      
21 A 680 650 1.55      
22 A 654 625 0.33      
23 A 561 537 1.93      
24 A 491 470 1.97      
25 A 333 319 2.52      
26 A 233 223 3.99      
27 A 125 119 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 18342.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17547.8 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 B3PW91/6-31G*
ABC
0.24350 0.08400 0.06319

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.556 2.026 0.000
C2 -0.949 -0.037 -0.000
C3 0.905 1.158 0.000
H4 -2.872 0.310 0.882
H5 -2.741 -1.226 -0.001
H6 -2.872 0.311 -0.882
C7 -2.439 -0.175 -0.000
S8 1.567 -0.448 -0.000
N9 -0.391 1.225 -0.000
H10 -0.238 -2.127 0.001
C11 -0.044 -1.063 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 H5 H6 C7 S8 N9 H10 C11
H13.24511.08454.83035.38944.83004.56172.47342.10574.52373.4786
C23.24512.20592.14372.15112.14371.49652.54961.37932.20851.3685
C31.08452.20593.97024.35693.97013.60041.73751.29773.47882.4157
H44.83032.14373.97021.77651.76401.09594.58882.78753.69563.2649
H55.38942.15114.35691.77651.77651.09354.37823.39582.66112.7023
H64.83002.14373.97011.76401.77651.09594.58882.78713.69643.2653
C74.56171.49653.60041.09591.09351.09594.01552.48102.94252.5544
S82.47342.54961.73754.58884.37824.58884.01552.57532.46511.7245
N92.10571.37931.29772.78753.39582.78712.48102.57533.35562.3140
H104.52372.20853.47883.69562.66113.69642.94252.46513.35561.0817
C113.47861.36852.41573.26492.70233.26532.55441.72452.31401.0817

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 120.681 H1 C3 N9 123.994
C2 C7 H4 110.613 C2 C7 H5 111.358
C2 C7 H6 110.613 C2 N9 C3 110.940
C2 C11 S8 110.510 C2 C11 H10 128.292
C3 S8 C11 88.499 H4 C7 H5 108.468
H4 C7 H6 107.188 H5 C7 H6 108.470
C7 C2 N9 119.185 C7 C2 C11 126.089
S8 C3 N9 115.325 S8 C11 H10 121.199
N9 C2 C11 114.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.211     0.164
2 C 0.299     0.581
3 C -0.169     0.052
4 H 0.196     0.200
5 H 0.176     0.161
6 H 0.196     0.200
7 C -0.567     -0.691
8 S 0.271     0.016
9 N -0.385     -0.482
10 H 0.207     0.248
11 C -0.435     -0.446


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.104 -1.170 0.000 1.175
CHELPG        
AIM        
ESP 0.118 -1.117 0.000 1.123


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.605 3.897 -0.001
y 3.897 -40.555 0.000
z -0.001 0.000 -43.822
Traceless
 xyz
x 3.584 3.897 -0.001
y 3.897 0.658 0.000
z -0.001 0.000 -4.242
Polar
3z2-r2-8.484
x2-y21.951
xy3.897
xz-0.001
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> 179.101
(<r2>)1/2 13.383