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: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-203.939759
Energy at 298.15K-203.944296
HF Energy-203.939759
Nuclear repulsion energy107.568350
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 PBEPBE/TZVP
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' 3091 3056 7.55      
2 A' 2949 2916 47.94      
3 A' 2189 2165 426.32      
4 A' 1442 1426 18.73      
5 A' 1406 1391 6.64      
6 A' 1323 1308 89.60      
7 A' 1108 1096 12.59      
8 A' 895 885 16.17      
9 A' 640 633 10.97      
10 A' 239 236 6.93      
11 A" 3010 2977 27.89      
12 A" 1443 1427 8.68      
13 A" 1068 1056 0.04      
14 A" 532 526 8.74      
15 A" 111 110 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 10722.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10602.7 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 PBEPBE/TZVP
ABC
1.57613 0.17408 0.16165

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.083 -1.582 0.000
N2 0.662 -0.313 0.000
N3 0.000 0.724 0.000
N4 -0.481 1.767 0.000
H5 0.662 -2.384 0.000
H6 -0.714 -1.686 0.898
H7 -0.714 -1.686 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47122.30793.37281.09471.10231.1023
N21.47121.23082.37382.07052.14062.1406
N32.30791.23081.14853.17792.66912.6691
N43.37282.37381.14854.30563.57533.5753
H51.09472.07053.17794.30561.78531.7853
H61.10232.14062.66913.57531.78531.7960
H71.10232.14062.66913.57531.78531.7960

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 117.049 N2 C1 H5 106.672
N2 C1 H6 111.765 N2 C1 H7 111.765
N2 N3 N4 172.230 H5 C1 H6 108.707
H5 C1 H7 108.707 H6 C1 H7 109.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 N -0.245      
3 N 0.418      
4 N -0.279      
5 H 0.162      
6 H 0.140      
7 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.677 -2.467 0.000 2.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.034 1.893 0.000
y 1.893 -24.308 0.000
z 0.000 0.000 -23.320
Traceless
 xyz
x -1.220 1.893 0.000
y 1.893 -0.131 0.000
z 0.000 0.000 1.351
Polar
3z2-r22.701
x2-y2-0.726
xy1.893
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.243 -1.429 0.000
y -1.429 8.107 0.000
z 0.000 0.000 3.481


<r2> (average value of r2) Å2
<r2> 75.529
(<r2>)1/2 8.691