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: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-203.948517
Energy at 298.15K-203.953088
HF Energy-203.948517
Nuclear repulsion energy107.668399
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3082 3047 6.96      
2 A' 2948 2915 46.14      
3 A' 2177 2152 451.20      
4 A' 1440 1424 16.67      
5 A' 1395 1379 4.71      
6 A' 1315 1301 96.27      
7 A' 1107 1094 11.75      
8 A' 899 889 15.95      
9 A' 654 647 9.95      
10 A' 241 239 6.36      
11 A" 3007 2974 24.49      
12 A" 1442 1426 7.88      
13 A" 1067 1055 0.19      
14 A" 560 554 4.36      
15 A" 112 110 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 10722.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10602.5 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
1.55732 0.17498 0.16222

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.078 -1.579 0.000
N2 0.668 -0.310 0.000
N3 0.000 0.724 0.000
N4 -0.494 1.759 0.000
H5 0.666 -2.381 0.000
H6 -0.707 -1.677 0.898
H7 -0.707 -1.677 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47182.30443.36361.09381.10091.1009
N21.47181.23102.37282.07072.13702.1370
N32.30441.23101.14663.17552.65952.6595
N43.36362.37281.14664.29913.55773.5577
H51.09382.07073.17554.29911.78561.7856
H61.10092.13702.65953.55771.78561.7952
H71.10092.13702.65953.55771.78561.7952

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 116.708 N2 C1 H5 106.697
N2 C1 H6 111.518 N2 C1 H7 111.518
N2 N3 N4 172.682 H5 C1 H6 108.890
H5 C1 H7 108.890 H6 C1 H7 109.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 N -0.611      
3 N 1.028      
4 N -0.668      
5 H 0.304      
6 H 0.220      
7 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.527 -2.368 0.000 2.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.048 1.752 0.000
y 1.752 -24.291 0.000
z 0.000 0.000 -23.447
Traceless
 xyz
x -1.179 1.752 0.000
y 1.752 -0.044 0.000
z 0.000 0.000 1.223
Polar
3z2-r22.446
x2-y2-0.757
xy1.752
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.961 -1.215 0.000
y -1.215 8.739 0.000
z 0.000 0.000 4.225


<r2> (average value of r2) Å2
<r2> 75.327
(<r2>)1/2 8.679