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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-147.361783
Energy at 298.15K-147.361506
HF Energy-147.361783
Nuclear repulsion energy46.430119
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1239 1226 0.00      
2 Σu 1625 1608 137.59      
3 Πu 427 423 18.97      
3 Πu 427 423 18.97      

Unscaled Zero Point Vibrational Energy (zpe) 1859.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1839.8 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 PBEPBE/6-311G*
B
0.39362

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

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 1.237
N3 0.000 0.000 -1.237

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23661.2366
N21.23662.4732
N31.23662.4732

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/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.294      
2 N -0.147      
3 N -0.147      


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 -15.512 0.000 0.000
y 0.000 -15.512 0.000
z 0.000 0.000 -20.482
Traceless
 xyz
x 2.485 0.000 0.000
y 0.000 2.485 0.000
z 0.000 0.000 -4.970
Polar
3z2-r2-9.939
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 1.743 0.000 0.000
y 0.000 1.743 0.000
z 0.000 0.000 5.209


<r2> (average value of r2) Å2
<r2> 32.132
(<r2>)1/2 5.669

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-147.311202
Energy at 298.15K-147.310892
HF Energy-147.311202
Nuclear repulsion energy46.439013
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1247 1234 0.00      
2 Σu 1888 1868 36.18      
3 Πu 541 536 6.07      
3 Πu 306 302 37.84      

Unscaled Zero Point Vibrational Energy (zpe) 1990.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 1970.1 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/6-311G*
B
0.39377

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

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 1.236
N3 0.000 0.000 -1.236

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23641.2364
N21.23642.4727
N31.23642.4727

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/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.312      
2 N -0.156      
3 N -0.156      


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 -16.912 0.000 0.000
y 0.000 -14.246 0.000
z 0.000 0.000 -20.532
Traceless
 xyz
x 0.477 0.000 0.000
y 0.000 4.476 0.000
z 0.000 0.000 -4.953
Polar
3z2-r2-9.906
x2-y2-2.666
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.743 0.000 0.000
y 0.000 1.743 0.000
z 0.000 0.000 5.209


<r2> (average value of r2) Å2
<r2> 32.162
(<r2>)1/2 5.671