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

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-203.571386
Energy at 298.15K-203.575945
HF Energy-202.878504
Nuclear repulsion energy107.034288
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 CCSD(T)/cc-pVDZ
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' 3173 3106        
2 A' 3029 2965        
3 A' 2179 2133        
4 A' 1483 1452        
5 A' 1437 1407        
6 A' 1308 1281        
7 A' 1142 1118        
8 A' 939 919        
9 A' 652 639        
10 A' 240 235        
11 A" 3105 3040        
12 A" 1483 1452        
13 A" 1097 1073        
14 A" 547 535        
15 A" 101 99        

Unscaled Zero Point Vibrational Energy (zpe) 10958.7 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10726.4 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 CCSD(T)/cc-pVDZ
ABC
1.43201 0.17681 0.16236

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 -1.565 0.000
N2 0.709 -0.311 0.000
N3 0.000 0.719 0.000
N4 -0.527 1.747 0.000
H5 0.646 -2.393 0.000
H6 -0.718 -1.648 0.903
H7 -0.718 -1.648 -0.903

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.48162.28503.34171.10111.10791.1079
N21.48161.24982.40022.08262.15342.1534
N32.28501.24981.15543.17752.63282.6328
N43.34172.40021.15544.30233.51813.5181
H51.10112.08263.17754.30231.79661.7966
H61.10792.15342.63283.51811.79661.8050
H71.10792.15342.63283.51811.79661.8050

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 113.284 N2 C1 H5 106.556
N2 C1 H6 111.710 N2 C1 H7 111.710
N2 N3 N4 172.598 H5 C1 H6 108.835
H5 C1 H7 108.835 H6 C1 H7 109.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability