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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-148.300220
Energy at 298.15K-148.303090
HF Energy-147.828555
Nuclear repulsion energy63.577161
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/6-31G*
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 3219 3033 2.17      
2 A1 1604 1511 5.62      
3 A1 1511 1423 9.81      
4 A1 1058 997 3.96      
5 A2 1021 962 0.00      
6 B1 3344 3150 11.33      
7 B1 1176 1108 3.77      
8 B2 1040 980 32.85      
9 B2 837 789 10.59      

Unscaled Zero Point Vibrational Energy (zpe) 7404.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 6976.7 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/6-31G*
ABC
1.31681 0.79990 0.55523

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.798
N2 0.000 0.623 -0.535
N3 0.000 -0.623 -0.535
H4 0.930 0.000 1.354
H5 -0.930 0.000 1.354

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47141.47141.08351.0835
N21.47141.24612.19572.1957
N31.47141.24612.19572.1957
H41.08352.19572.19571.8599
H51.08352.19572.19571.8599

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.947 C1 N3 N2 64.947
N2 C1 N3 50.107 N2 C1 H4 117.705
N2 C1 H5 117.705 N3 C1 H4 117.705
N3 C1 H5 117.705 H4 C1 H5 118.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability