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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-148.325495
Energy at 298.15K-148.328362
HF Energy-147.835256
Nuclear repulsion energy63.571780
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=FULL/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 3243 3046 2.24      
2 A1 1601 1504 5.90      
3 A1 1509 1417 9.32      
4 A1 1041 978 5.74      
5 A2 1018 956 0.00      
6 B1 3374 3169 8.62      
7 B1 1168 1097 3.85      
8 B2 1041 977 32.64      
9 B2 820 770 11.85      

Unscaled Zero Point Vibrational Energy (zpe) 7408.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 6957.7 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 MP2=FULL/6-31+G**
ABC
1.31890 0.79832 0.55452

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.806
N2 0.000 0.628 -0.538
N3 0.000 -0.628 -0.538
H4 0.931 0.000 1.346
H5 -0.931 0.000 1.346

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48271.48271.07691.0769
N21.48271.25532.19322.1932
N31.48271.25532.19322.1932
H41.07692.19322.19321.8629
H51.07692.19322.19321.8629

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.957 C1 N3 N2 64.957
N2 C1 N3 50.087 N2 C1 H4 117.045
N2 C1 H5 117.045 N3 C1 H4 117.045
N3 C1 H5 117.045 H4 C1 H5 119.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability