return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for NH (Imidogen)

using model chemistry: CCD/6-311G*

19 10 17 12 22

States and conformations

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

State 1 (3Σ-)

Jump to S2C1 S3C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-55.096294
Energy at 298.15K-55.096253
HF Energy-54.972059
Nuclear repulsion energy3.563501
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 CCD/6-311G*
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 3289 3142 45.85      

Unscaled Zero Point Vibrational Energy (zpe) 1644.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 1570.8 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 CCD/6-311G*
B
16.59397

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.130
H2 0.000 0.000 -0.910

Atom - Atom Distances (Å)
  N1 H2
N11.0395
H21.0395

picture of Imidogen state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Δ)

Jump to S1C1 S3C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-55.096294
Energy at 298.15K-55.096253
HF Energy-54.972059
Nuclear repulsion energy3.563501
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 CCD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
B
16.59397

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 3 (1Σ+)

Jump to S1C1 S2C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-55.015829
Energy at 298.15K 
Nuclear repulsion energy3.570736
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 CCD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
B
16.66141

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.130
H2 0.000 0.000 -0.908

Atom - Atom Distances (Å)
  N1 H2
N11.0374
H21.0374

picture of Imidogen state 3 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability