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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-148.309778
Energy at 298.15K-148.312636
HF Energy-147.841428
Nuclear repulsion energy63.360689
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/cc-pVDZ
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 3194 3042 1.86      
2 A1 1586 1510 9.02      
3 A1 1476 1406 6.31      
4 A1 1040 990 6.22      
5 A2 995 947 0.00      
6 B1 3327 3169 10.05      
7 B1 1138 1084 4.36      
8 B2 1000 953 27.93      
9 B2 828 788 12.39      

Unscaled Zero Point Vibrational Energy (zpe) 7290.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 6944.3 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/cc-pVDZ
ABC
1.31565 0.78959 0.55146

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.809
N2 0.000 0.627 -0.540
N3 0.000 -0.627 -0.540
H4 0.944 0.000 1.356
H5 -0.944 0.000 1.356

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48761.48761.09121.0912
N21.48761.25442.20892.2089
N31.48761.25442.20892.2089
H41.09122.20892.20891.8884
H51.09122.20892.20891.8884

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.064 C1 N3 N2 65.064
N2 C1 N3 49.872 N2 C1 H4 117.034
N2 C1 H5 117.034 N3 C1 H4 117.034
N3 C1 H5 117.034 H4 C1 H5 119.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability