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All results from a given calculation for N2O (Nitrous oxide)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-184.409007
Energy at 298.15K-184.410251
HF Energy-183.747259
Nuclear repulsion energy60.485089
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)/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 2274 2157        
2 Σ 1285 1219        
3 Π 598 567        
3 Π 598 567        

Unscaled Zero Point Vibrational Energy (zpe) 2377.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 2255.2 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 QCISD(T)/cc-pVTZ
B
0.41655

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.206
N2 0.000 0.000 -0.072
O3 0.000 0.000 1.119

Atom - Atom Distances (Å)
  N1 N2 O3
N11.13382.3250
N21.13381.1913
O32.32501.1913

picture of Nitrous oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability