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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-145.895520
Energy at 298.15K-145.895276
HF Energy-145.895520
Nuclear repulsion energy46.294367
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/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 1164 1055 0.00      
2 Σu 1456 1318 181.33      
3 Πu 452 409 9.58      
3 Πu 452 409 9.58      

Unscaled Zero Point Vibrational Energy (zpe) 1761.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 1595.5 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 HF/3-21G
B
0.39133

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 1.240
N3 0.000 0.000 -1.240

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24021.2402
N21.24022.4805
N31.24022.4805

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/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 -15.530 0.000 0.000
y 0.000 -15.530 0.000
z 0.000 0.000 -21.757
Traceless
 xyz
x 3.113 0.000 0.000
y 0.000 3.113 0.000
z 0.000 0.000 -6.227
Polar
3z2-r2-12.454
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 1.442 0.000 0.000
y 0.000 1.442 0.000
z 0.000 0.000 3.732


<r2> (average value of r2) Å2
<r2> 32.531
(<r2>)1/2 5.704

State 2 (1Σg)

Jump to S1C1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-145.789672
Energy at 298.15K-145.789579
HF Energy-145.789672
Nuclear repulsion energy47.370869
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/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 1375 1246 0.00      
2 Σu 1492 1351 228.67      
3 Πu 578 524 13.49      
3 Πu 501 454 17.68      

Unscaled Zero Point Vibrational Energy (zpe) 1973.4 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 1787.1 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 HF/3-21G
B
0.40974

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 1.212
N3 0.000 0.000 -1.212

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21201.2120
N21.21202.4241
N31.21202.4241

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.615      
2 N -0.307      
3 N -0.307      


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 -16.758 0.000 0.000
y 0.000 -14.418 0.000
z 0.000 0.000 -21.525
Traceless
 xyz
x 1.214 0.000 0.000
y 0.000 4.724 0.000
z 0.000 0.000 -5.937
Polar
3z2-r2-11.874
x2-y2-2.340
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.854 0.000 0.000
y 0.000 1.507 0.000
z 0.000 0.000 4.475


<r2> (average value of r2) Å2
<r2> 31.539
(<r2>)1/2 5.616