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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: PBEPBE/6-31G

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 PBEPBE/6-31G
 hartrees
Energy at 0K-147.278875
Energy at 298.15K-147.278477
HF Energy-147.278875
Nuclear repulsion energy45.673791
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 PBEPBE/6-31G
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 1196 1180 0.00      
2 Σu 1544 1523 111.65      
3 Πu 369 364 12.46      
3 Πu 369 364 12.46      

Unscaled Zero Point Vibrational Energy (zpe) 1739.6 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1715.6 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 PBEPBE/6-31G
B
0.38090

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G

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 1.257
N3 0.000 0.000 -1.257

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25711.2571
N21.25712.5142
N31.25712.5142

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 PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.263      
2 N -0.132      
3 N -0.132      


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 -15.486 0.000 0.000
y 0.000 -15.486 0.000
z 0.000 0.000 -21.027
Traceless
 xyz
x 2.771 0.000 0.000
y 0.000 2.771 0.000
z 0.000 0.000 -5.541
Polar
3z2-r2-11.083
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 1.536 0.000 0.000
y 0.000 1.536 0.000
z 0.000 0.000 5.074


<r2> (average value of r2) Å2
<r2> 32.950
(<r2>)1/2 5.740

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-147.226268
Energy at 298.15K-147.225864
HF Energy-147.226268
Nuclear repulsion energy45.688006
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 PBEPBE/6-31G
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 1204 1187 0.00      
2 Σu 1828 1803 35.89      
3 Πu 417 411 1.68      
3 Πu 315 311 31.26      

Unscaled Zero Point Vibrational Energy (zpe) 1882.1 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1856.1 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 PBEPBE/6-31G
B
0.38114

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G

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 1.257
N3 0.000 0.000 -1.257

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25671.2567
N21.25672.5134
N31.25672.5134

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 PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.287      
2 N -0.144      
3 N -0.144      


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 -16.938 0.000 0.000
y 0.000 -14.159 0.000
z 0.000 0.000 -21.076
Traceless
 xyz
x 0.680 0.000 0.000
y 0.000 4.848 0.000
z 0.000 0.000 -5.528
Polar
3z2-r2-11.056
x2-y2-2.779
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.536 0.000 0.000
y 0.000 1.536 0.000
z 0.000 0.000 5.074


<r2> (average value of r2) Å2
<r2> 32.972
(<r2>)1/2 5.742