return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP4=FULL/cc-pVDZ

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 MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-167.603522
Energy at 298.15K 
HF Energy-167.141415
Nuclear repulsion energy51.456219
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 MP4=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVDZ
B
0.38129

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.286
C2 0.000 0.000 -0.029
O3 0.000 0.000 1.147

Atom - Atom Distances (Å)
  N1 C2 O3
N11.25762.4330
C21.25761.1755
O32.43301.1755

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