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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-148.396678
Energy at 298.15K-148.399530
HF Energy-147.863127
Nuclear repulsion energy63.482236
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 MP4/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3157 3061        
2 A1 1585 1537        
3 A1 1488 1443        
4 A1 1020 989        
5 A2 995 965        
6 B1 3281 3181        
7 B1 1145 1111        
8 B2 1002 971        
9 B2 812 787        

Unscaled Zero Point Vibrational Energy (zpe) 7242.1 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 7022.7 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 MP4/6-311G**
ABC
1.32978 0.78777 0.55224

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.811
N2 0.000 0.624 -0.541
N3 0.000 -0.624 -0.541
H4 0.938 0.000 1.354
H5 -0.938 0.000 1.354

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48951.48951.08411.0841
N21.48951.24782.20492.2049
N31.48951.24782.20492.2049
H41.08412.20492.20491.8768
H51.08412.20492.20491.8768

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.236 C1 N3 N2 65.236
N2 C1 N3 49.529 N2 C1 H4 117.041
N2 C1 H5 117.041 N3 C1 H4 117.041
N3 C1 H5 117.041 H4 C1 H5 119.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability