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: HSEh1PBE/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 HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-203.888266
Energy at 298.15K-203.892880
HF Energy-203.888266
Nuclear repulsion energy108.343453
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 HSEh1PBE/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' 3195 3051 7.44      
2 A' 3045 2907 48.12      
3 A' 2309 2205 563.78      
4 A' 1495 1428 24.84      
5 A' 1457 1391 3.11      
6 A' 1386 1323 123.57      
7 A' 1151 1099 12.78      
8 A' 954 911 20.15      
9 A' 671 641 9.33      
10 A' 248 237 6.92      
11 A" 3117 2976 27.10      
12 A" 1499 1431 9.38      
13 A" 1110 1060 0.23      
14 A" 571 546 8.76      
15 A" 110 105 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 11158.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 10654.3 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 HSEh1PBE/6-31+G**
ABC
1.52719 0.17870 0.16502

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 -1.561 0.000
N2 0.679 -0.302 0.000
N3 0.000 0.720 0.000
N4 -0.518 1.733 0.000
H5 0.671 -2.362 0.000
H6 -0.695 -1.660 0.894
H7 -0.695 -1.660 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46372.28203.32521.08921.09641.0964
N21.46371.22682.36132.05982.12842.1284
N32.28201.22681.13843.15392.63542.6354
N43.32522.36131.13844.26443.51353.5135
H51.08922.05983.15394.26441.77671.7767
H61.09642.12842.63543.51351.77671.7872
H71.09642.12842.63543.51351.77671.7872

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 115.747 N2 C1 H5 106.660
N2 C1 H6 111.679 N2 C1 H7 111.679
N2 N3 N4 173.488 H5 C1 H6 108.766
H5 C1 H7 108.766 H6 C1 H7 109.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.461      
2 N -0.559      
3 N 0.882      
4 N -0.404      
5 H 0.191      
6 H 0.175      
7 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.766 -2.341 0.000 2.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.317 1.880 0.000
y 1.880 -23.889 0.000
z 0.000 0.000 -23.406
Traceless
 xyz
x -1.669 1.880 0.000
y 1.880 0.472 0.000
z 0.000 0.000 1.197
Polar
3z2-r22.394
x2-y2-1.428
xy1.880
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.347 -1.508 0.000
y -1.508 7.897 0.000
z 0.000 0.000 3.479


<r2> (average value of r2) Å2
<r2> 74.275
(<r2>)1/2 8.618