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: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-203.416610
Energy at 298.15K-203.421314
HF Energy-202.865873
Nuclear repulsion energy108.646912
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 CISD/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' 3285 3041 11.48      
2 A' 3147 2914 40.23      
3 A' 2378 2201 576.07      
4 A' 1586 1468 15.20      
5 A' 1541 1427 11.63      
6 A' 1385 1283 180.55      
7 A' 1216 1126 11.39      
8 A' 993 919 20.65      
9 A' 705 653 7.18      
10 A' 259 240 5.96      
11 A" 3217 2978 32.11      
12 A" 1587 1469 6.69      
13 A" 1173 1086 0.76      
14 A" 623 576 15.96      
15 A" 116 107 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 11605.3 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 10744.1 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 CISD/6-31G*
ABC
1.44456 0.18262 0.16725

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.062 -1.545 0.000
N2 0.707 -0.294 0.000
N3 0.000 0.719 0.000
N4 -0.552 1.703 0.000
H5 0.666 -2.349 0.000
H6 -0.687 -1.635 0.889
H7 -0.687 -1.635 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46842.26493.28461.08421.09071.0907
N21.46841.23512.36052.05512.12872.1287
N32.26491.23511.12813.13912.60822.6082
N43.28462.36051.12814.23063.45653.4565
H51.08422.05513.13914.23061.76951.7695
H61.09072.12872.60823.45651.76951.7780
H71.09072.12872.60823.45651.76951.7780

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 113.530 N2 C1 H5 106.268
N2 C1 H6 111.730 N2 C1 H7 111.730
N2 N3 N4 174.404 H5 C1 H6 108.903
H5 C1 H7 108.903 H6 C1 H7 109.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability