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

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-202.140906
Energy at 298.15K-202.145443
HF Energy-201.686217
Nuclear repulsion energy105.585379
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 CCD/3-21G*
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' 3153 3016 10.46      
2 A' 3035 2903 28.99      
3 A' 2110 2018 351.86      
4 A' 1576 1508 13.20      
5 A' 1491 1426 17.41      
6 A' 1166 1115 107.71      
7 A' 1136 1086 40.18      
8 A' 813 778 9.88      
9 A' 653 624 8.82      
10 A' 244 234 6.23      
11 A" 3093 2958 30.77      
12 A" 1574 1505 6.88      
13 A" 1114 1066 0.04      
14 A" 494 473 8.83      
15 A" 136 130 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 10893.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 10419.8 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 CCD/3-21G*
ABC
1.39940 0.17098 0.15697

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.124 -1.599 0.000
N2 0.716 -0.328 0.000
N3 0.000 0.736 0.000
N4 -0.480 1.784 0.000
H5 0.601 -2.417 0.000
H6 -0.754 -1.670 0.898
H7 -0.754 -1.670 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52432.33853.40221.09311.09861.0986
N21.52431.28242.42752.09282.18352.1835
N32.33851.28241.15323.21002.67612.6761
N43.40222.42751.15324.33853.57933.5793
H51.09312.09283.21004.33851.78851.7885
H61.09862.18352.67613.57931.78851.7954
H71.09862.18352.67613.57931.78851.7954

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 112.573 N2 C1 H5 104.987
N2 C1 H6 111.686 N2 C1 H7 111.686
N2 N3 N4 170.661 H5 C1 H6 109.380
H5 C1 H7 109.380 H6 C1 H7 109.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability