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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-202.187038
Energy at 298.15K-202.191579
HF Energy-201.675765
Nuclear repulsion energy103.954323
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 MP4/3-21G
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' 3147 3052        
2 A' 3031 2940        
3 A' 2030 1968        
4 A' 1573 1525        
5 A' 1478 1433        
6 A' 1160 1125        
7 A' 1110 1076        
8 A' 764 741        
9 A' 628 609        
10 A' 231 224        
11 A" 3099 3005        
12 A" 1568 1520        
13 A" 1118 1084        
14 A" 484 469        
15 A" 172 167        

Unscaled Zero Point Vibrational Energy (zpe) 10795.3 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 10469.3 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 MP4/3-21G
ABC
1.54362 0.16081 0.14986

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.169 -1.643 0.000
N2 0.666 -0.366 0.000
N3 0.000 0.742 0.000
N4 -0.374 1.872 0.000
H5 0.560 -2.459 0.000
H6 -0.796 -1.706 0.900
H7 -0.796 -1.706 -0.900

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52662.39103.52101.09381.09821.0982
N21.52661.29222.46712.09612.17842.1784
N32.39101.29221.19023.24912.72682.7268
N43.52102.46711.19024.43003.71353.7135
H51.09382.09613.24914.43001.79261.7926
H61.09822.17842.72683.71351.79261.7992
H71.09822.17842.72683.71351.79261.7992

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 115.787 N2 C1 H5 105.035
N2 C1 H6 111.124 N2 C1 H7 111.124
N2 N3 N4 167.257 H5 C1 H6 109.726
H5 C1 H7 109.726 H6 C1 H7 109.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability