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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-148.322151
Energy at 298.15K-148.325049
HF Energy-147.839008
Nuclear repulsion energy64.032403
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/6-31+G**
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 3227 3041 4.39      
2 A1 1748 1647 19.99      
3 A1 1552 1462 1.89      
4 A1 1088 1025 3.44      
5 A2 1021 962 0.00      
6 B1 3345 3152 12.91      
7 B1 1172 1104 4.79      
8 B2 1070 1008 27.45      
9 B2 871 821 15.58      

Unscaled Zero Point Vibrational Energy (zpe) 7546.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 7111.4 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 CCD/6-31+G**
ABC
1.35916 0.79850 0.56133

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.804
N2 0.000 0.617 -0.538
N3 0.000 -0.617 -0.538
H4 0.930 0.000 1.352
H5 -0.930 0.000 1.352

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47691.47691.07891.0789
N21.47691.23402.19432.1943
N31.47691.23402.19432.1943
H41.07892.19432.19431.8590
H51.07892.19432.19431.8590

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.307 C1 N3 N2 65.307
N2 C1 N3 49.385 N2 C1 H4 117.465
N2 C1 H5 117.465 N3 C1 H4 117.465
N3 C1 H5 117.465 H4 C1 H5 118.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability