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

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

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-pVTZ
 hartrees
Energy at 0K-203.768464
Energy at 298.15K-203.773099
HF Energy-202.939811
Nuclear repulsion energy108.030207
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-pVTZ
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' 3162 3082        
2 A' 3030 2953        
3 A' 2179 2124        
4 A' 1504 1466        
5 A' 1446 1410        
6 A' 1303 1270        
7 A' 1151 1122        
8 A' 935 911        
9 A' 670 653        
10 A' 244 238        
11 A" 3097 3019        
12 A" 1506 1468        
13 A" 1112 1084        
14 A" 575 560        
15 A" 122 119        

Unscaled Zero Point Vibrational Energy (zpe) 11016.5 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 10738.8 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 CCSD(T)/cc-pVTZ
ABC
1.43816 0.18043 0.16536

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.071 -1.554 0.000
N2 0.709 -0.300 0.000
N3 0.000 0.716 0.000
N4 -0.541 1.721 0.000
H5 0.649 -2.367 0.000
H6 -0.698 -1.634 0.892
H7 -0.698 -1.634 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47692.27103.30801.08641.09281.0928
N21.47691.23872.37592.06862.13402.1340
N32.27101.23871.14113.15102.60852.6085
N43.30802.37591.14114.25783.47453.4745
H51.08642.06863.15104.25781.77391.7739
H61.09282.13402.60853.47451.77391.7833
H71.09282.13402.60853.47451.77391.7833

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 113.207 N2 C1 H5 106.613
N2 C1 H6 111.411 N2 C1 H7 111.411
N2 N3 N4 173.410 H5 C1 H6 108.979
H5 C1 H7 108.979 H6 C1 H7 109.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability