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All results from a given calculation for CNN (Diazocarbene)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ-
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-147.110861
Energy at 298.15K 
HF Energy-146.671836
Nuclear repulsion energy48.810074
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(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1729 1625 115.35 116.50 0.31 0.47
2 Σ 1095 1029 0.06 8.82 0.32 0.48
3 Π 432 406 4.25 0.01 0.75 0.86
3 Π 432 406 4.25 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1844.0 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 1733.2 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(2df,p)
B
0.44161

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.270
N2 0.000 0.000 -0.068
N3 0.000 0.000 1.157

Atom - Atom Distances (Å)
  C1 N2 N3
C11.20252.4273
N21.20251.2248
N32.42731.2248

picture of Diazocarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability