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All results from a given calculation for NF (nitrogen fluoride)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-153.953481
Energy at 298.15K-153.953487
HF Energy-153.779394
Nuclear repulsion energy23.728711
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/LANL2DZ
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 1271 1224 279.15      

Unscaled Zero Point Vibrational Energy (zpe) 635.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 612.0 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/LANL2DZ
B
1.05939

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.790
F2 0.000 0.000 0.615

Atom - Atom Distances (Å)
  N1 F2
N11.4050
F21.4050

picture of nitrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-153.872073
Energy at 298.15K-153.872054
Nuclear repulsion energy23.778846
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/LANL2DZ
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 1046 1007 126.06      

Unscaled Zero Point Vibrational Energy (zpe) 523.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 503.7 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/LANL2DZ
B
1.06387

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.789
F2 0.000 0.000 0.613

Atom - Atom Distances (Å)
  N1 F2
N11.4020
F21.4020

picture of nitrogen fluoride state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability