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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Σg

State 1 (3Σg)

Jump to S2C1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-146.762934
Energy at 298.15K-146.762606
HF Energy-146.762934
Nuclear repulsion energy46.859379
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 HF/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 Σg 1236 1125 0.00      
2 Σu 1427 1299 400.28      
3 Πu 400 364 13.36      
3 Πu 400 364 13.36      

Unscaled Zero Point Vibrational Energy (zpe) 1732.0 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 1576.3 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 HF/cc-pVTZ
B
0.40094

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
N2 0.000 0.000 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22531.2253
N21.22532.4506
N31.22532.4506

picture of Cyanoimidogen state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 N -0.040      
3 N -0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.617 0.000 0.000
y 0.000 -15.617 0.000
z 0.000 0.000 -20.681
Traceless
 xyz
x 2.532 0.000 0.000
y 0.000 2.532 0.000
z 0.000 0.000 -5.064
Polar
3z2-r2-10.128
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.120 0.000 0.000
y 0.000 2.120 0.000
z 0.000 0.000 4.810


<r2> (average value of r2) Å2
<r2> 31.827
(<r2>)1/2 5.642

State 2 (1Σg)

Jump to S1C1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-146.663615
Energy at 298.15K-146.663433
HF Energy-146.663615
Nuclear repulsion energy47.753112
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 HF/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 Σg 1409 1282 0.00      
2 Σu 1509 1374 434.01      
3 Πu 642 584 20.53      
3 Πu 357 325 20.93      

Unscaled Zero Point Vibrational Energy (zpe) 1958.3 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 1782.3 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 HF/cc-pVTZ
B
0.41638

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
N2 0.000 0.000 1.202
N3 0.000 0.000 -1.202

Atom - Atom Distances (Å)
  C1 N2 N3
C11.20231.2023
N21.20232.4047
N31.20232.4047

picture of Cyanoimidogen state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 N -0.049      
3 N -0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.988 0.000 0.000
y 0.000 -14.575 0.000
z 0.000 0.000 -20.491
Traceless
 xyz
x 0.545 0.000 0.000
y 0.000 4.165 0.000
z 0.000 0.000 -4.710
Polar
3z2-r2-9.420
x2-y2-2.413
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.848 0.000 0.000
y 0.000 2.144 0.000
z 0.000 0.000 5.494


<r2> (average value of r2) Å2
<r2> 31.076
(<r2>)1/2 5.575