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

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

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/6-31+G**
 hartrees
Energy at 0K-167.565583
Energy at 298.15K-167.565566
HF Energy-167.130573
Nuclear repulsion energy51.748040
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/6-31+G**
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 2504 2351 1223.70      
2 Σ 1306 1227 1.03      
3 Π 609 572 17.79      
3 Π 577 542 64.55      

Unscaled Zero Point Vibrational Energy (zpe) 2498.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 2346.3 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/6-31+G**
B
0.38534

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.280
C2 0.000 0.000 -0.026
O3 0.000 0.000 1.140

Atom - Atom Distances (Å)
  N1 C2 O3
N11.25422.4203
C21.25421.1660
O32.42031.1660

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