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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-148.342181
Energy at 298.15K-148.345043
HF Energy-147.860226
Nuclear repulsion energy63.677641
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 MP2/6-311G*
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 3193 3035 2.80      
2 A1 1595 1516 6.83      
3 A1 1503 1428 9.90      
4 A1 1038 987 6.05      
5 A2 1012 962 0.00      
6 B1 3326 3161 10.86      
7 B1 1167 1109 3.83      
8 B2 1012 962 36.70      
9 B2 826 785 14.25      

Unscaled Zero Point Vibrational Energy (zpe) 7335.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 6971.1 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 MP2/6-311G*
ABC
1.33171 0.79581 0.55636

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.800
N2 0.000 0.620 -0.536
N3 0.000 -0.620 -0.536
H4 0.931 0.000 1.352
H5 -0.931 0.000 1.352

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47221.47221.08251.0825
N21.47221.23992.19422.1942
N31.47221.23992.19422.1942
H41.08252.19422.19421.8619
H51.08252.19422.19421.8619

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.096 C1 N3 N2 65.096
N2 C1 N3 49.808 N2 C1 H4 117.574
N2 C1 H5 117.574 N3 C1 H4 117.574
N3 C1 H5 117.574 H4 C1 H5 118.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability