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: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-203.542179
Energy at 298.15K-203.546837
HF Energy-202.862645
Nuclear repulsion energy107.206919
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 MP2=FULL/6-31G**
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' 3275 3060 7.86      
2 A' 3122 2917 41.92      
3 A' 2381 2224 281.25      
4 A' 1558 1456 12.23      
5 A' 1497 1398 17.50      
6 A' 1340 1252 111.95      
7 A' 1176 1099 11.13      
8 A' 940 878 18.65      
9 A' 689 644 8.79      
10 A' 234 218 9.16      
11 A" 3211 3001 24.63      
12 A" 1553 1451 5.52      
13 A" 1146 1071 0.42      
14 A" 558 521 7.50      
15 A" 146 136 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 11412.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 10663.8 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 MP2=FULL/6-31G**
ABC
1.51901 0.17456 0.16133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 -1.577 0.000
N2 0.684 -0.319 0.000
N3 0.000 0.719 0.000
N4 -0.508 1.765 0.000
H5 0.653 -2.374 0.000
H6 -0.704 -1.664 0.889
H7 -0.704 -1.664 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47152.29743.36921.08311.08941.0894
N21.47151.24312.40062.05542.12732.1273
N32.29741.24311.16263.16162.63952.6395
N43.36922.40061.16264.29903.54833.5483
H51.08312.05543.16164.29901.77061.7706
H61.08942.12732.63953.54831.77061.7774
H71.08942.12732.63953.54831.77061.7774

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 115.370 N2 C1 H5 106.143
N2 C1 H6 111.468 N2 C1 H7 111.468
N2 N3 N4 172.516 H5 C1 H6 109.174
H5 C1 H7 109.174 H6 C1 H7 109.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability