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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-203.552571
Energy at 298.15K-203.557155
HF Energy-202.858968
Nuclear repulsion energy107.133833
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 QCISD(T)=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' 3179 3179        
2 A' 3047 3047        
3 A' 2171 2171        
4 A' 1536 1536        
5 A' 1484 1484        
6 A' 1315 1315        
7 A' 1165 1165        
8 A' 936 936        
9 A' 652 652        
10 A' 243 243        
11 A" 3118 3118        
12 A" 1535 1535        
13 A" 1129 1129        
14 A" 556 556        
15 A" 116 116        

Unscaled Zero Point Vibrational Energy (zpe) 11089.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11089.9 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 QCISD(T)=FULL/6-31G*
ABC
1.46664 0.17594 0.16199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 -1.570 0.000
N2 0.699 -0.315 0.000
N3 0.000 0.720 0.000
N4 -0.518 1.754 0.000
H5 0.648 -2.383 0.000
H6 -0.712 -1.653 0.896
H7 -0.712 -1.653 -0.896

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47822.29133.35251.09261.09851.0985
N21.47821.24822.39972.06932.14042.1404
N32.29131.24821.15663.17002.63372.6337
N43.35252.39971.15664.29843.52763.5276
H51.09262.06933.17004.29841.78501.7850
H61.09852.14042.63373.52761.78501.7924
H71.09852.14042.63373.52761.78501.7924

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 114.108 N2 C1 H5 106.237
N2 C1 H6 111.484 N2 C1 H7 111.484
N2 N3 N4 172.564 H5 C1 H6 109.102
H5 C1 H7 109.102 H6 C1 H7 109.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability