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

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-201.379493
Energy at 298.15K-201.383770
HF Energy-201.379493
Nuclear repulsion energy102.967864
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 B3PW91/STO-3G
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' 3500 3098 1.15      
2 A' 3299 2920 1.34      
3 A' 2128 1883 47.86      
4 A' 1646 1457 9.26      
5 A' 1543 1366 13.10      
6 A' 1209 1070 52.02      
7 A' 1185 1049 1.43      
8 A' 921 815 3.12      
9 A' 605 536 4.21      
10 A' 232 205 4.25      
11 A" 3464 3065 0.80      
12 A" 1647 1457 6.67      
13 A" 1121 992 0.13      
14 A" 421 372 4.41      
15 A" 142 125 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11530.5 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 10204.5 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 B3PW91/STO-3G
ABC
1.34437 0.16410 0.15054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.195 -1.606 0.000
N2 0.735 -0.387 0.000
N3 0.000 0.718 0.000
N4 -0.397 1.868 0.000
H5 0.472 -2.482 0.000
H6 -0.833 -1.636 0.903
H7 -0.833 -1.636 -0.903

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.53302.33163.47931.10201.10551.1055
N21.53301.32752.52382.11132.19872.1987
N32.33161.32751.21683.23482.65542.6554
N43.47932.52381.21684.43633.64493.6449
H51.10202.11133.23484.43631.79831.7983
H61.10552.19872.65543.64491.79831.8052
H71.10552.19872.65543.64491.79831.8052

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 108.984 N2 C1 H5 105.328
N2 C1 H6 111.861 N2 C1 H7 111.861
N2 N3 N4 165.428 H5 C1 H6 109.100
H5 C1 H7 109.100 H6 C1 H7 109.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 N -0.135      
3 N 0.035      
4 N -0.038      
5 H 0.107      
6 H 0.098      
7 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.949 -1.737 0.000 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.724 1.662 0.000
y 1.662 -22.242 0.000
z 0.000 0.000 -21.417
Traceless
 xyz
x -0.895 1.662 0.000
y 1.662 -0.171 0.000
z 0.000 0.000 1.067
Polar
3z2-r22.133
x2-y2-0.483
xy1.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.809 -0.861 0.000
y -0.861 5.203 0.000
z 0.000 0.000 1.248


<r2> (average value of r2) Å2
<r2> 78.246
(<r2>)1/2 8.846