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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/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=FULL/6-311G*
 hartrees
Energy at 0K-148.397980
Energy at 298.15K-148.400845
HF Energy-147.860645
Nuclear repulsion energy63.747796
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/6-311G*
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 3196 3027 2.77      
2 A1 1601 1516 7.29      
3 A1 1507 1427 9.61      
4 A1 1043 988 6.06      
5 A2 1014 960 0.00      
6 B1 3329 3153 10.67      
7 B1 1169 1107 3.84      
8 B2 1015 961 36.77      
9 B2 829 785 14.50      

Unscaled Zero Point Vibrational Energy (zpe) 7350.3 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 6961.4 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 MP2=FULL/6-311G*
ABC
1.33474 0.79751 0.55765

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.806
N2 0.000 0.623 -0.538
N3 0.000 -0.623 -0.538
H4 0.937 0.000 1.344
H5 -0.937 0.000 1.344

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48121.48121.08041.0804
N21.48121.24552.19262.1926
N31.48121.24552.19262.1926
H41.08042.19262.19261.8736
H51.08042.19262.19261.8736

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.138 C1 N3 N2 65.138
N2 C1 N3 49.725 N2 C1 H4 116.869
N2 C1 H5 116.869 N3 C1 H4 116.869
N3 C1 H5 116.869 H4 C1 H5 120.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability