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

using model chemistry: QCISD(T)/6-311+G(3df,2p)

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 QCISD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-167.754901
Energy at 298.15K-167.754811
HF Energy-167.188270
Nuclear repulsion energy51.835437
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 QCISD(T)/6-311+G(3df,2p)
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 1989 1897        
2 Σ 1262 1203        
3 Π 578 551        
3 Π 499 476        

Unscaled Zero Point Vibrational Energy (zpe) 2164.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 2063.8 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 QCISD(T)/6-311+G(3df,2p)
B
0.38766

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.271
C2 0.000 0.000 -0.038
O3 0.000 0.000 1.141

Atom - Atom Distances (Å)
  N1 C2 O3
N11.23332.4127
C21.23331.1793
O32.41271.1793

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