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: CCSD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-203.613308
Energy at 298.15K-203.617880
HF Energy-202.905804
Nuclear repulsion energy107.571380
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 CCSD(T)/6-311G*
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' 3153 3035        
2 A' 3015 2903        
3 A' 2179 2097        
4 A' 1514 1458        
5 A' 1473 1418        
6 A' 1311 1262        
7 A' 1159 1116        
8 A' 938 902        
9 A' 654 630        
10 A' 240 231        
11 A" 3084 2969        
12 A" 1515 1458        
13 A" 1120 1078        
14 A" 538 518        
15 A" 112 108        

Unscaled Zero Point Vibrational Energy (zpe) 11001.9 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 10590.5 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 CCSD(T)/6-311G*
ABC
1.45023 0.17820 0.16369

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.079 -1.562 0.000
N2 0.704 -0.307 0.000
N3 0.000 0.718 0.000
N4 -0.526 1.738 0.000
H5 0.648 -2.377 0.000
H6 -0.708 -1.643 0.896
H7 -0.708 -1.643 -0.896

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47912.28123.33001.09181.09841.0984
N21.47911.24292.38592.07092.14042.1404
N32.28121.24291.14773.16192.62222.6222
N43.33002.38591.14774.27903.50183.5018
H51.09182.07093.16194.27901.78401.7840
H61.09842.14042.62223.50181.78401.7929
H71.09842.14042.62223.50181.78401.7929

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 113.591 N2 C1 H5 106.345
N2 C1 H6 111.423 N2 C1 H7 111.423
N2 N3 N4 172.816 H5 C1 H6 109.079
H5 C1 H7 109.079 H6 C1 H7 109.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability