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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-148.490634
Energy at 298.15K-148.493507
HF Energy-147.884034
Nuclear repulsion energy64.082397
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/cc-pVTZ
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 3218 3055 2.48      
2 A1 1601 1520 8.23      
3 A1 1507 1431 8.64      
4 A1 1032 980 7.00      
5 A2 1013 961 0.00      
6 B1 3331 3163 5.97      
7 B1 1165 1106 3.56      
8 B2 1026 974 30.55      
9 B2 838 795 11.68      

Unscaled Zero Point Vibrational Energy (zpe) 7365.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 6992.4 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/cc-pVTZ
ABC
1.35319 0.80354 0.56284

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.796
N2 0.000 0.617 -0.533
N3 0.000 -0.617 -0.533
H4 0.923 0.000 1.344
H5 -0.923 0.000 1.344

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.46551.46551.07371.0737
N21.46551.23302.18102.1810
N31.46551.23302.18102.1810
H41.07372.18102.18101.8470
H51.07372.18102.18101.8470

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.122 C1 N3 N2 65.122
N2 C1 N3 49.756 N2 C1 H4 117.567
N2 C1 H5 117.567 N3 C1 H4 117.567
N3 C1 H5 117.567 H4 C1 H5 118.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability