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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-204.024902
Energy at 298.15K-204.029539
HF Energy-204.024902
Nuclear repulsion energy108.777607
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 B1B95/6-31G(2df,p)
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' 3190 3055 8.25      
2 A' 3047 2918 40.38      
3 A' 2314 2216 478.22      
4 A' 1494 1431 18.85      
5 A' 1450 1389 2.63      
6 A' 1380 1321 123.01      
7 A' 1151 1102 11.90      
8 A' 956 916 19.46      
9 A' 688 659 8.44      
10 A' 248 238 6.17      
11 A" 3119 2987 24.21      
12 A" 1495 1431 6.29      
13 A" 1109 1062 0.19      
14 A" 608 582 10.64      
15 A" 104 100 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 11176.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 10703.3 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 B1B95/6-31G(2df,p)
ABC
1.52699 0.18040 0.16643

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 -1.555 0.000
N2 0.679 -0.298 0.000
N3 0.000 0.718 0.000
N4 -0.520 1.722 0.000
H5 0.670 -2.355 0.000
H6 -0.693 -1.654 0.890
H7 -0.693 -1.654 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46152.27463.30861.08671.09341.0934
N21.46151.22282.34952.05632.12482.1248
N32.27461.22281.13043.14522.62732.6273
N43.30862.34951.13044.24683.49613.4961
H51.08672.05633.14524.24681.77231.7723
H61.09342.12482.62733.49611.77231.7807
H71.09342.12482.62733.49611.77231.7807

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 115.573 N2 C1 H5 106.679
N2 C1 H6 111.737 N2 C1 H7 111.737
N2 N3 N4 173.634 H5 C1 H6 108.770
H5 C1 H7 108.770 H6 C1 H7 109.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 N -0.300      
3 N 0.430      
4 N -0.275      
5 H 0.164      
6 H 0.150      
7 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.625 -2.129 0.000 2.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.338 1.668 0.000
y 1.668 -23.311 0.000
z 0.000 0.000 -22.759
Traceless
 xyz
x -1.303 1.668 0.000
y 1.668 0.237 0.000
z 0.000 0.000 1.066
Polar
3z2-r22.131
x2-y2-1.027
xy1.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.840 -1.228 0.000
y -1.228 7.273 0.000
z 0.000 0.000 3.128


<r2> (average value of r2) Å2
<r2> 73.328
(<r2>)1/2 8.563