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

using model chemistry: MP3=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-203.673537
Energy at 298.15K-203.678077
HF Energy-202.931561
Nuclear repulsion energy109.037820
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 MP3=FULL/TZVP
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' 3223 3009 10.43      
2 A' 3079 2875 43.63      
3 A' 2358 2202 638.24      
4 A' 1527 1426 18.07      
5 A' 1504 1404 11.64      
6 A' 1349 1260 177.21      
7 A' 1183 1105 9.33      
8 A' 970 906 18.09      
9 A' 676 631 5.05      
10 A' 242 226 4.63      
11 A" 3145 2937 33.31      
12 A" 1516 1415 7.12      
13 A" 1140 1065 1.65      
14 A" 497 464 14.02      
15 A" 89 84 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 11249.4 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 10503.5 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 MP3=FULL/TZVP
ABC
1.41743 0.18535 0.16915

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 -1.534 0.000
N2 0.716 -0.290 0.000
N3 0.000 0.714 0.000
N4 -0.551 1.689 0.000
H5 0.644 -2.351 0.000
H6 -0.695 -1.617 0.889
H7 -0.695 -1.617 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47082.24873.25901.08361.09101.0910
N21.47081.23252.34962.06282.13112.1311
N32.24871.23251.12043.13162.58892.5889
N43.25902.34961.12044.21313.42593.4259
H51.08362.06283.13164.21311.76711.7671
H61.09102.13112.58893.42591.76711.7779
H71.09102.13112.58893.42591.76711.7779

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 112.276 N2 C1 H5 106.731
N2 C1 H6 111.732 N2 C1 H7 111.732
N2 N3 N4 173.961 H5 C1 H6 108.700
H5 C1 H7 108.700 H6 C1 H7 109.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability