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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: HSEh1PBE/3-21G*

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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-146.514465
Energy at 298.15K-146.514295
HF Energy-146.514465
Nuclear repulsion energy46.375667
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 HSEh1PBE/3-21G*
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 1237 1187 0.00      
2 Σu 1474 1415 151.82      
3 Πu 495 475 12.82      
3 Πu 495 475 12.82      

Unscaled Zero Point Vibrational Energy (zpe) 1850.2 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 1776.0 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 HSEh1PBE/3-21G*
B
0.39270

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

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 1.238
N3 0.000 0.000 -1.238

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23811.2381
N21.23812.4761
N31.23812.4761

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 HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.580      
2 N -0.290      
3 N -0.290      


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 -15.381 0.000 0.000
y 0.000 -15.381 0.000
z 0.000 0.000 -20.843
Traceless
 xyz
x 2.731 0.000 0.000
y 0.000 2.731 0.000
z 0.000 0.000 -5.462
Polar
3z2-r2-10.923
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 1.356 0.000 0.000
y 0.000 1.356 0.000
z 0.000 0.000 4.332


<r2> (average value of r2) Å2
<r2> 32.203
(<r2>)1/2 5.675

State 2 (1Σg)

Jump to S1C1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-146.452958
Energy at 298.15K-146.452800
HF Energy-146.452958
Nuclear repulsion energy46.545233
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 HSEh1PBE/3-21G*
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 1272 1221 0.00      
2 Σu 1805 1733 70.73      
3 Πu 531 510 3.87      
3 Πu 464 445 28.82      

Unscaled Zero Point Vibrational Energy (zpe) 2036.2 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 1954.5 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 HSEh1PBE/3-21G*
B
0.39558

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

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 1.234
N3 0.000 0.000 -1.234

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23351.2335
N21.23352.4671
N31.23352.4671

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 HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.602      
2 N -0.301      
3 N -0.301      


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 -16.681 0.000 0.000
y 0.000 -14.147 0.000
z 0.000 0.000 -20.850
Traceless
 xyz
x 0.817 0.000 0.000
y 0.000 4.619 0.000
z 0.000 0.000 -5.436
Polar
3z2-r2-10.872
x2-y2-2.534
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.980 0.000 0.000
y 0.000 1.450 0.000
z 0.000 0.000 4.549


<r2> (average value of r2) Å2
<r2> 32.062
(<r2>)1/2 5.662