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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-204.097249
Energy at 298.15K-204.101840
HF Energy-204.097249
Nuclear repulsion energy107.770811
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/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' 3167 3043 11.06      
2 A' 3029 2911 44.50      
3 A' 2264 2175 442.26      
4 A' 1506 1447 14.48      
5 A' 1462 1404 10.21      
6 A' 1347 1294 118.60      
7 A' 1151 1106 11.10      
8 A' 924 888 18.65      
9 A' 665 639 9.86      
10 A' 247 237 6.30      
11 A" 3093 2972 31.00      
12 A" 1507 1448 6.08      
13 A" 1111 1067 0.11      
14 A" 574 551 12.70      
15 A" 105 100 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 11076.0 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 10641.8 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 B3LYP/6-31G**
ABC
1.52223 0.17637 0.16296

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.076 -1.573 0.000
N2 0.680 -0.307 0.000
N3 0.000 0.724 0.000
N4 -0.507 1.748 0.000
H5 0.662 -2.374 0.000
H6 -0.705 -1.672 0.893
H7 -0.705 -1.672 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47422.29753.34861.08951.09641.0964
N21.47421.23462.37332.06662.13942.1394
N32.29751.23461.14323.16722.65182.6518
N43.34862.37331.14324.28443.54003.5400
H51.08952.06663.16724.28441.77741.7774
H61.09642.13942.65183.54001.77741.7854
H71.09642.13942.65183.54001.77741.7854

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 115.743 N2 C1 H5 106.464
N2 C1 H6 111.822 N2 C1 H7 111.822
N2 N3 N4 172.936 H5 C1 H6 108.805
H5 C1 H7 108.805 H6 C1 H7 109.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 N -0.366      
3 N 0.403      
4 N -0.267      
5 H 0.144      
6 H 0.131      
7 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.728 -2.251 0.000 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.607 1.797 0.000
y 1.797 -23.559 0.000
z 0.000 0.000 -22.980
Traceless
 xyz
x -1.337 1.797 0.000
y 1.797 0.234 0.000
z 0.000 0.000 1.103
Polar
3z2-r22.206
x2-y2-1.048
xy1.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.622 -1.321 0.000
y -1.321 7.254 0.000
z 0.000 0.000 2.823


<r2> (average value of r2) Å2
<r2> 74.688
(<r2>)1/2 8.642