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: TPSSh/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 TPSSh/TZVP
 hartrees
Energy at 0K-204.174871
Energy at 298.15K-204.179461
HF Energy-204.174871
Nuclear repulsion energy108.078478
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 TPSSh/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' 3155 3041 10.67      
2 A' 3016 2906 47.68      
3 A' 2226 2145 488.35      
4 A' 1504 1449 15.02      
5 A' 1459 1406 10.58      
6 A' 1332 1284 126.64      
7 A' 1148 1107 12.73      
8 A' 906 873 17.89      
9 A' 656 632 11.14      
10 A' 243 234 6.60      
11 A" 3077 2965 33.73      
12 A" 1507 1452 7.04      
13 A" 1105 1065 0.46      
14 A" 549 529 10.13      
15 A" 115 111 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 10998.4 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 10599.2 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 TPSSh/TZVP
ABC
1.54240 0.17689 0.16364

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 -1.573 0.000
N2 0.673 -0.306 0.000
N3 0.000 0.722 0.000
N4 -0.494 1.747 0.000
H5 0.659 -2.368 0.000
H6 -0.707 -1.667 0.893
H7 -0.707 -1.667 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47522.29683.34571.08701.09431.0943
N21.47521.22852.36132.06212.13432.1343
N32.29681.22851.13783.15962.64692.6469
N43.34572.36131.13784.27363.53543.5354
H51.08702.06213.15964.27361.77681.7768
H61.09432.13432.64693.53541.77681.7867
H71.09432.13432.64693.53541.77681.7867

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 116.018 N2 C1 H5 106.201
N2 C1 H6 111.462 N2 C1 H7 111.462
N2 N3 N4 172.542 H5 C1 H6 109.090
H5 C1 H7 109.090 H6 C1 H7 109.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 N -0.319      
3 N 0.481      
4 N -0.291      
5 H 0.146      
6 H 0.123      
7 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.764 -2.383 0.000 2.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.168 -1.460 0.000
y -1.460 7.857 0.000
z 0.000 0.000 3.370


<r2> (average value of r2) Å2
<r2> 74.643
(<r2>)1/2 8.640