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

using model chemistry: MP2/3-21G

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 MP2/3-21G
 hartrees
Energy at 0K-153.132405
Energy at 298.15K-153.132410
HF Energy-152.952274
Nuclear repulsion energy23.908837
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 MP2/3-21G
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 1236 1180 123.41      

Unscaled Zero Point Vibrational Energy (zpe) 618.2 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 590.1 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 MP2/3-21G
B
1.07553

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.784
F2 0.000 0.000 0.610

Atom - Atom Distances (Å)
  N1 F2
N11.3944
F21.3944

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 MP2/3-21G
 hartrees
Energy at 0K-153.051080
Energy at 298.15K-153.051076
Nuclear repulsion energy24.069452
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 MP2/3-21G
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 1151 1099 75.63      

Unscaled Zero Point Vibrational Energy (zpe) 575.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 549.3 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 MP2/3-21G
B
1.09003

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.779
F2 0.000 0.000 0.606

Atom - Atom Distances (Å)
  N1 F2
N11.3851
F21.3851

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability