return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/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 LSDA/STO-3G
 hartrees
Energy at 0K-200.332616
Energy at 298.15K-200.336872
HF Energy-200.332616
Nuclear repulsion energy103.071327
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 LSDA/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' 3457 3095 3.84      
2 A' 3261 2920 0.52      
3 A' 2120 1899 29.31      
4 A' 1601 1434 13.95      
5 A' 1497 1341 8.22      
6 A' 1239 1109 31.96      
7 A' 1156 1035 7.86      
8 A' 916 820 2.35      
9 A' 596 534 4.95      
10 A' 232 208 5.66      
11 A" 3419 3062 0.02      
12 A" 1600 1433 10.97      
13 A" 1097 983 0.11      
14 A" 427 382 3.70      
15 A" 136 122 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 11376.4 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 10187.5 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 LSDA/STO-3G
ABC
1.41917 0.16245 0.15004

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.196 -1.611 0.000
N2 0.708 -0.394 0.000
N3 0.000 0.715 0.000
N4 -0.371 1.885 0.000
H5 0.481 -2.482 0.000
H6 -0.834 -1.647 0.904
H7 -0.834 -1.647 -0.904

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.51582.33393.50051.10361.10711.1071
N21.51581.31582.52182.10052.18252.1825
N32.33391.31581.22783.23322.66252.6625
N43.50052.52181.22784.44993.67493.6749
H51.10362.10053.23324.44991.80151.8015
H61.10712.18252.66253.67491.80151.8082
H71.10712.18252.66253.67491.80151.8082

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 110.830 N2 C1 H5 105.544
N2 C1 H6 111.687 N2 C1 H7 111.687
N2 N3 N4 165.023 H5 C1 H6 109.153
H5 C1 H7 109.153 H6 C1 H7 109.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 N -0.128      
3 N 0.030      
4 N -0.053      
5 H 0.126      
6 H 0.118      
7 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.880 -2.057 0.000 2.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.408 1.622 0.000
y 1.622 -22.076 0.000
z 0.000 0.000 -21.252
Traceless
 xyz
x -0.744 1.622 0.000
y 1.622 -0.246 0.000
z 0.000 0.000 0.990
Polar
3z2-r21.979
x2-y2-0.332
xy1.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.757 -0.819 0.000
y -0.819 5.177 0.000
z 0.000 0.000 1.238


<r2> (average value of r2) Å2
<r2> 78.342
(<r2>)1/2 8.851