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

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-37.002791
Energy at 298.15K-37.007196
HF Energy-37.002791
Nuclear repulsion energy56.420056
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 B3LYP/CEP-31G
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' 3184 3084 21.45      
2 A' 3029 2934 63.42      
3 A' 2023 1959 341.92      
4 A' 1495 1448 19.10      
5 A' 1455 1409 9.34      
6 A' 1237 1198 94.86      
7 A' 1130 1094 16.93      
8 A' 838 811 6.55      
9 A' 580 562 14.50      
10 A' 231 224 7.79      
11 A" 3113 3014 61.82      
12 A" 1499 1452 10.39      
13 A" 1092 1058 0.03      
14 A" 443 429 5.49      
15 A" 117 114 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 10733.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 10394.5 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 B3LYP/CEP-31G
ABC
1.54723 0.16242 0.15132

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.139 -1.633 0.000
N2 0.667 -0.356 0.000
N3 0.000 0.739 0.000
N4 -0.413 1.856 0.000
H5 0.601 -2.442 0.000
H6 -0.771 -1.715 0.902
H7 -0.771 -1.715 -0.902

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.51002.37633.49971.09681.10471.1047
N21.51001.28242.46172.08722.17472.1747
N32.37631.28241.19083.23782.72632.7263
N43.49972.46171.19084.41633.70083.7008
H51.09682.08723.23784.41631.79611.7961
H61.10472.17472.72633.70081.79611.8048
H71.10472.17472.72633.70081.79611.8048

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 116.400 N2 C1 H5 105.286
N2 C1 H6 111.610 N2 C1 H7 111.610
N2 N3 N4 168.967 H5 C1 H6 109.338
H5 C1 H7 109.338 H6 C1 H7 109.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.509      
2 N -0.016      
3 N 0.083      
4 N -0.159      
5 H 0.224      
6 H 0.188      
7 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.203 -2.735 0.000 2.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.141 2.184 0.000
y 2.184 -24.023 0.000
z 0.000 0.000 -23.151
Traceless
 xyz
x -1.553 2.184 0.000
y 2.184 0.123 0.000
z 0.000 0.000 1.431
Polar
3z2-r22.861
x2-y2-1.117
xy2.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.464 -1.481 0.000
y -1.481 8.055 0.000
z 0.000 0.000 2.486


<r2> (average value of r2) Å2
<r2> 64.495
(<r2>)1/2 8.031