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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-203.828945
Energy at 298.15K-203.833609
HF Energy-202.940864
Nuclear repulsion energy108.382713
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 QCISD(T)=FULL/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' 3165 3029        
2 A' 3047 2916        
3 A' 2192 2098        
4 A' 1516 1451        
5 A' 1455 1393        
6 A' 1323 1266        
7 A' 1153 1104        
8 A' 945 904        
9 A' 676 647        
10 A' 246 235        
11 A" 3100 2966        
12 A" 1517 1452        
13 A" 1115 1067        
14 A" 588 563        
15 A" 128 122        

Unscaled Zero Point Vibrational Energy (zpe) 11083.1 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 10605.4 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 QCISD(T)=FULL/cc-pVTZ
ABC
1.46624 0.18096 0.16613

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.069 -1.551 0.000
N2 0.701 -0.300 0.000
N3 0.000 0.715 0.000
N4 -0.536 1.719 0.000
H5 0.651 -2.360 0.000
H6 -0.694 -1.635 0.889
H7 -0.694 -1.635 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46922.26713.30371.08291.08941.0894
N21.46921.23292.36772.06102.12492.1249
N32.26711.23291.13863.14312.60572.6057
N43.30372.36771.13864.24863.47303.4730
H51.08292.06103.14314.24861.76751.7675
H61.08942.12492.60573.47301.76751.7773
H71.08942.12492.60573.47301.76751.7773

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 113.783 N2 C1 H5 106.739
N2 C1 H6 111.432 N2 C1 H7 111.432
N2 N3 N4 173.470 H5 C1 H6 108.913
H5 C1 H7 108.913 H6 C1 H7 109.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability