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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-147.346890
Energy at 298.15K-147.346588
HF Energy-147.346890
Nuclear repulsion energy46.157385
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/aug-cc-pVDZ
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 1232 1225 0.00      
2 Σu 1620 1610 162.39      
3 Πu 410 408 16.60      
3 Πu 410 408 16.60      

Unscaled Zero Point Vibrational Energy (zpe) 1836.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1825.0 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/aug-cc-pVDZ
B
0.38901

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

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 1.244
N3 0.000 0.000 -1.244

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24391.2439
N21.24392.4878
N31.24392.4878

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.476      
2 N -0.238      
3 N -0.238      


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 -15.839 0.000 0.000
y 0.000 -15.839 0.000
z 0.000 0.000 -20.617
Traceless
 xyz
x 2.389 0.000 0.000
y 0.000 2.389 0.000
z 0.000 0.000 -4.778
Polar
3z2-r2-9.556
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 2.603 0.000 0.000
y 0.000 2.603 0.000
z 0.000 0.000 5.928


<r2> (average value of r2) Å2
<r2> 32.550
(<r2>)1/2 5.705

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-147.296422
Energy at 298.15K-147.296076
HF Energy-147.296422
Nuclear repulsion energy46.158501
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/aug-cc-pVDZ
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 1231 0.00      
2 Σu 1877 1866 34.75      
3 Πu 531 528 4.58      
3 Πu 278 276 33.24      

Unscaled Zero Point Vibrational Energy (zpe) 1962.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 1950.6 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/aug-cc-pVDZ
B
0.38903

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

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 1.244
N3 0.000 0.000 -1.244

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24391.2439
N21.24392.4878
N31.24392.4878

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.450      
2 N -0.225      
3 N -0.225      


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 -17.357 0.000 0.000
y 0.000 -14.562 0.000
z 0.000 0.000 -20.727
Traceless
 xyz
x 0.288 0.000 0.000
y 0.000 4.480 0.000
z 0.000 0.000 -4.768
Polar
3z2-r2-9.535
x2-y2-2.795
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.603 0.000 0.000
y 0.000 2.603 0.000
z 0.000 0.000 5.928


<r2> (average value of r2) Å2
<r2> 32.622
(<r2>)1/2 5.712