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All results from a given calculation for CH3N3 (methyl azide)

using model chemistry: TPSSh/3-21G

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/3-21G
 hartrees
Energy at 0K-202.949818
Energy at 298.15K-202.954335
HF Energy-202.949818
Nuclear repulsion energy105.644645
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/3-21G
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' 3169 3070 10.19      
2 A' 3040 2946 32.26      
3 A' 1986 1924 256.85      
4 A' 1559 1510 14.68      
5 A' 1469 1423 16.83      
6 A' 1179 1142 101.80      
7 A' 1133 1098 2.04      
8 A' 808 782 5.18      
9 A' 640 620 13.10      
10 A' 243 236 7.04      
11 A" 3104 3007 30.50      
12 A" 1561 1512 8.40      
13 A" 1093 1059 0.22      
14 A" 514 498 6.12      
15 A" 119 115 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 10808.1 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 10470.8 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/3-21G
ABC
1.46101 0.16954 0.15649

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.125 -1.605 0.000
N2 0.696 -0.331 0.000
N3 0.000 0.730 0.000
N4 -0.461 1.801 0.000
H5 0.605 -2.415 0.000
H6 -0.751 -1.675 0.897
H7 -0.751 -1.675 -0.897

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.51632.33843.42291.09031.09601.0960
N21.51631.26852.42542.08602.16892.1689
N32.33841.26851.16613.20222.67372.6737
N43.42292.42541.16614.34853.60113.6011
H51.09032.08603.20224.34851.78661.7866
H61.09602.16892.67373.60111.78661.7945
H71.09602.16892.67373.60111.78661.7945

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 113.923 N2 C1 H5 105.143
N2 C1 H6 111.231 N2 C1 H7 111.231
N2 N3 N4 169.982 H5 C1 H6 109.610
H5 C1 H7 109.610 H6 C1 H7 109.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 N -0.241      
3 N 0.031      
4 N -0.047      
5 H 0.247      
6 H 0.229      
7 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.979 -2.322 0.000 2.520
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 3.111 -1.217 0.000
y -1.217 7.066 0.000
z 0.000 0.000 2.310


<r2> (average value of r2) Å2
<r2> 76.897
(<r2>)1/2 8.769