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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-37.081983
Energy at 298.15K-37.086539
HF Energy-37.081983
Nuclear repulsion energy57.421089
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 B3LYP/CEP-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' 3163 3055 20.61      
2 A' 3030 2926 57.73      
3 A' 2218 2142 447.04      
4 A' 1489 1438 16.16      
5 A' 1447 1397 12.26      
6 A' 1308 1263 121.85      
7 A' 1137 1098 8.17      
8 A' 910 879 18.00      
9 A' 642 620 8.92      
10 A' 234 226 6.05      
11 A" 3095 2989 50.81      
12 A" 1492 1440 6.59      
13 A" 1097 1059 0.00      
14 A" 556 537 9.72      
15 A" 120 116 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 10968.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 10592.5 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 B3LYP/CEP-31G*
ABC
1.41892 0.17389 0.15971

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.069 -1.580 0.000
N2 0.713 -0.310 0.000
N3 0.000 0.726 0.000
N4 -0.549 1.757 0.000
H5 0.671 -2.392 0.000
H6 -0.702 -1.669 0.902
H7 -0.702 -1.669 -0.902

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49152.30673.37141.09851.10551.1055
N21.49151.25722.42172.08252.15922.1592
N32.30671.25721.16843.18902.65312.6531
N43.37142.42171.16844.32463.54553.5455
H51.09852.08253.18904.32461.79521.7952
H61.10552.15922.65313.54551.79521.8032
H71.10552.15922.65313.54551.79521.8032

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 113.843 N2 C1 H5 106.041
N2 C1 H6 111.631 N2 C1 H7 111.631
N2 N3 N4 173.490 H5 C1 H6 109.078
H5 C1 H7 109.078 H6 C1 H7 109.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.547      
2 N -0.078      
3 N 0.229      
4 N -0.207      
5 H 0.225      
6 H 0.189      
7 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.853 -2.385 0.000 2.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.908 1.972 0.000
y 1.972 -23.376 0.000
z 0.000 0.000 -22.864
Traceless
 xyz
x -1.788 1.972 0.000
y 1.972 0.510 0.000
z 0.000 0.000 1.278
Polar
3z2-r22.556
x2-y2-1.531
xy1.972
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.803 -1.627 0.000
y -1.627 7.483 0.000
z 0.000 0.000 2.698


<r2> (average value of r2) Å2
<r2> 61.767
(<r2>)1/2 7.859