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: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-203.912507
Energy at 298.15K-203.917088
HF Energy-203.684519
Nuclear repulsion energy107.417191
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 B2PLYP/6-31+G**
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' 3211 3058 8.55      
2 A' 3068 2922 48.16      
3 A' 2190 2086 465.84      
4 A' 1520 1447 16.29      
5 A' 1471 1401 15.28      
6 A' 1330 1266 109.89      
7 A' 1159 1104 13.25      
8 A' 925 881 17.87      
9 A' 650 619 11.22      
10 A' 242 230 7.62      
11 A" 3140 2991 27.34      
12 A" 1520 1448 7.80      
13 A" 1123 1069 0.66      
14 A" 529 504 5.74      
15 A" 121 116 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 11098.7 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 10570.4 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 B2PLYP/6-31+G**
ABC
1.52173 0.17514 0.16191

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 -1.577 0.000
N2 0.681 -0.314 0.000
N3 0.000 0.721 0.000
N4 -0.504 1.759 0.000
H5 0.655 -2.377 0.000
H6 -0.705 -1.664 0.893
H7 -0.705 -1.664 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47512.29943.36311.08651.09321.0932
N21.47511.23872.38792.06392.13152.1315
N32.29941.23871.15433.16672.64272.6427
N43.36312.38791.15434.29593.54373.5437
H51.08652.06393.16674.29591.77591.7759
H61.09322.13152.64273.54371.77591.7855
H71.09322.13152.64273.54371.77591.7855

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 115.562 N2 C1 H5 106.367
N2 C1 H6 111.314 N2 C1 H7 111.314
N2 N3 N4 172.549 H5 C1 H6 109.129
H5 C1 H7 109.129 H6 C1 H7 109.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.367      
2 N -0.581      
3 N 0.777      
4 N -0.308      
5 H 0.169      
6 H 0.155      
7 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.773 -2.439 0.000 2.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.524 1.882 0.000
y 1.882 -24.179 0.000
z 0.000 0.000 -23.662
Traceless
 xyz
x -1.604 1.882 0.000
y 1.882 0.414 0.000
z 0.000 0.000 1.190
Polar
3z2-r22.380
x2-y2-1.345
xy1.882
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.389 -1.561 0.000
y -1.561 8.076 0.000
z 0.000 0.000 3.498


<r2> (average value of r2) Å2
<r2> 75.463
(<r2>)1/2 8.687