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All results from a given calculation for NCO (isocyanato radical)

using model chemistry: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-167.770371
Energy at 298.15K-167.770378
HF Energy-167.192766
Nuclear repulsion energy52.267078
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/aug-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 Σ 2475 2355 1083.07      
2 Σ 1300 1237 3.49      
3 Π 633 603 15.62      
3 Π 585 557 54.61      

Unscaled Zero Point Vibrational Energy (zpe) 2496.8 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 2375.4 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/aug-cc-pVTZ
B
0.39313

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.268
C2 0.000 0.000 -0.026
O3 0.000 0.000 1.129

Atom - Atom Distances (Å)
  N1 C2 O3
N11.24142.3962
C21.24141.1548
O32.39621.1548

picture of isocyanato radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability