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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-203.536615
Energy at 298.15K-203.541187
HF Energy-202.858946
Nuclear repulsion energy107.093708
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)/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 3059        
2 A' 3047 2932        
3 A' 2179 2097        
4 A' 1535 1477        
5 A' 1483 1427        
6 A' 1312 1262        
7 A' 1164 1120        
8 A' 935 899        
9 A' 651 627        
10 A' 242 232        
11 A" 3118 3000        
12 A" 1534 1476        
13 A" 1126 1084        
14 A" 552 532        
15 A" 112 107        

Unscaled Zero Point Vibrational Energy (zpe) 11084.1 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 10664.0 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)/6-31G*
ABC
1.45610 0.17610 0.16199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 -1.570 0.000
N2 0.702 -0.314 0.000
N3 0.000 0.720 0.000
N4 -0.521 1.752 0.000
H5 0.648 -2.384 0.000
H6 -0.712 -1.651 0.897
H7 -0.712 -1.651 -0.897

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.48052.29123.35081.09281.09871.0987
N21.48051.24932.40062.07052.14272.1427
N32.29121.24931.15623.17032.63302.6330
N43.35082.40061.15624.29763.52463.5246
H51.09282.07053.17034.29761.78551.7855
H61.09872.14272.63303.52461.78551.7930
H71.09872.14272.63303.52461.78551.7930

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 113.869 N2 C1 H5 106.169
N2 C1 H6 111.493 N2 C1 H7 111.493
N2 N3 N4 172.609 H5 C1 H6 109.119
H5 C1 H7 109.119 H6 C1 H7 109.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability