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All results from a given calculation for CH3N3 (methyl azide)

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-204.109496
Energy at 298.15K-204.114083
HF Energy-204.109496
Nuclear repulsion energy107.574593
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 TPSSh/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' 3173 3042 12.51      
2 A' 3033 2908 46.33      
3 A' 2242 2149 418.42      
4 A' 1520 1457 12.46      
5 A' 1465 1405 12.78      
6 A' 1338 1283 111.49      
7 A' 1153 1105 12.17      
8 A' 918 881 17.69      
9 A' 659 632 9.88      
10 A' 245 235 6.43      
11 A" 3101 2972 34.16      
12 A" 1521 1458 5.19      
13 A" 1110 1064 0.16      
14 A" 566 543 10.79      
15 A" 109 105 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 11076.3 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 10618.9 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 TPSSh/6-31G**
ABC
1.52458 0.17558 0.16233

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.084 -1.576 0.000
N2 0.679 -0.312 0.000
N3 0.000 0.722 0.000
N4 -0.498 1.756 0.000
H5 0.657 -2.375 0.000
H6 -0.711 -1.669 0.894
H7 -0.711 -1.669 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47662.29993.35811.08891.09581.0958
N21.47661.23662.37912.06342.13822.1382
N32.29991.23661.14763.16592.64982.6498
N43.35812.37911.14764.28943.54633.5463
H51.08892.06343.16594.28941.77951.7795
H61.09582.13822.64983.54631.77951.7875
H71.09582.13822.64983.54631.77951.7875

picture of methyl azide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 115.633 N2 C1 H5 106.094
N2 C1 H6 111.592 N2 C1 H7 111.592
N2 N3 N4 172.418 H5 C1 H6 109.083
H5 C1 H7 109.083 H6 C1 H7 109.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 N -0.369      
3 N 0.393      
4 N -0.262      
5 H 0.162      
6 H 0.147      
7 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.731 -2.323 0.000 2.435
CHELPG        
AIM        
ESP        


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 3.644 -1.313 0.000
y -1.313 7.346 0.000
z 0.000 0.000 2.847


<r2> (average value of r2) Å2
<r2> 74.835
(<r2>)1/2 8.651