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 CH3N3 (methyl azide)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-204.061971
Energy at 298.15K-204.066597
HF Energy-204.061971
Nuclear repulsion energy108.450105
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 B3PW91/6-311G*
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' 3166 3048 13.02      
2 A' 3024 2911 52.26      
3 A' 2283 2198 489.21      
4 A' 1507 1450 21.30      
5 A' 1464 1409 5.53      
6 A' 1375 1324 112.04      
7 A' 1158 1115 10.99      
8 A' 943 908 19.35      
9 A' 673 648 10.13      
10 A' 249 240 6.82      
11 A" 3087 2972 37.60      
12 A" 1509 1453 9.27      
13 A" 1117 1075 0.08      
14 A" 581 559 11.75      
15 A" 112 108 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 11123.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 10708.5 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 B3PW91/6-311G*
ABC
1.55508 0.17814 0.16485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.073 -1.565 0.000
N2 0.670 -0.304 0.000
N3 0.000 0.721 0.000
N4 -0.503 1.738 0.000
H5 0.666 -2.364 0.000
H6 -0.700 -1.667 0.892
H7 -0.700 -1.667 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46382.28753.33111.08801.09541.0954
N21.46381.22442.35462.06032.12892.1289
N32.28751.22441.13443.15632.64412.6441
N43.33112.35461.13444.26533.52593.5259
H51.08802.06033.15634.26531.77401.7740
H61.09542.12892.64413.52591.77401.7843
H71.09542.12892.64413.52591.77401.7843

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 116.348 N2 C1 H5 106.759
N2 C1 H6 111.773 N2 C1 H7 111.773
N2 N3 N4 173.144 H5 C1 H6 108.680
H5 C1 H7 108.680 H6 C1 H7 109.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 N -0.275      
3 N 0.276      
4 N -0.182      
5 H 0.249      
6 H 0.234      
7 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.734 -2.264 0.000 2.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.745 1.788 0.000
y 1.788 -23.675 0.000
z 0.000 0.000 -23.041
Traceless
 xyz
x -1.387 1.788 0.000
y 1.788 0.218 0.000
z 0.000 0.000 1.169
Polar
3z2-r22.338
x2-y2-1.070
xy1.788
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.759 -1.349 0.000
y -1.349 7.378 0.000
z 0.000 0.000 2.918


<r2> (average value of r2) Å2
<r2> 74.116
(<r2>)1/2 8.609