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

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-201.231686
Energy at 298.15K-201.235994
HF Energy-201.231686
Nuclear repulsion energy103.437470
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 PBE1PBE/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' 3531 3115 1.44      
2 A' 3329 2936 1.28      
3 A' 2175 1919 55.04      
4 A' 1658 1462 9.61      
5 A' 1556 1372 12.87      
6 A' 1235 1089 50.22      
7 A' 1199 1058 6.09      
8 A' 942 831 3.23      
9 A' 615 542 4.13      
10 A' 235 207 4.33      
11 A" 3494 3082 0.58      
12 A" 1658 1462 6.99      
13 A" 1132 998 0.16      
14 A" 431 380 5.05      
15 A" 141 125 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11664.6 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 10289.3 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 PBE1PBE/STO-3G
ABC
1.34740 0.16590 0.15207

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.185 -1.597 0.000
N2 0.736 -0.381 0.000
N3 0.000 0.715 0.000
N4 -0.411 1.854 0.000
H5 0.483 -2.471 0.000
H6 -0.822 -1.631 0.901
H7 -0.822 -1.631 -0.901

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52562.32003.45911.10001.10361.1036
N21.52561.32062.51282.10502.19112.1911
N32.32001.32061.21103.22272.64432.6443
N43.45912.51281.21104.41693.62333.6233
H51.10002.10503.22274.41691.79461.7946
H61.10362.19112.64433.62331.79461.8012
H71.10362.19112.64433.62331.79461.8012

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 108.985 N2 C1 H5 105.439
N2 C1 H6 111.895 N2 C1 H7 111.895
N2 N3 N4 165.978 H5 C1 H6 109.050
H5 C1 H7 109.050 H6 C1 H7 109.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168      
2 N -0.140      
3 N 0.040      
4 N -0.038      
5 H 0.108      
6 H 0.099      
7 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.960 -1.709 0.000 1.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.790 1.688 0.000
y 1.688 -22.273 0.000
z 0.000 0.000 -21.408
Traceless
 xyz
x -0.949 1.688 0.000
y 1.688 -0.174 0.000
z 0.000 0.000 1.123
Polar
3z2-r22.247
x2-y2-0.517
xy1.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.803 -0.888 0.000
y -0.888 5.115 0.000
z 0.000 0.000 1.235


<r2> (average value of r2) Å2
<r2> 77.632
(<r2>)1/2 8.811