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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-33.729849
Energy at 298.15K-33.729845
HF Energy-33.446223
Nuclear repulsion energy13.773378
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/CEP-121G*
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 1155 1101 154.06      

Unscaled Zero Point Vibrational Energy (zpe) 577.6 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 550.4 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/CEP-121G*
B
1.15646

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

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 0.560

Atom - Atom Distances (Å)
  N1 F2
N11.3447
F21.3447

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/CEP-121G*
 hartrees
Energy at 0K-33.650683
Energy at 298.15K-33.650687
Nuclear repulsion energy13.989501
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/CEP-121G*
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 1228 1170 148.59      

Unscaled Zero Point Vibrational Energy (zpe) 614.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 585.2 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 MP2/CEP-121G*
B
1.19304

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.745
F2 0.000 0.000 0.579

Atom - Atom Distances (Å)
  N1 F2
N11.3239
F21.3239

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability