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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-147.325989
Energy at 298.15K-147.325675
HF Energy-147.325989
Nuclear repulsion energy46.146887
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 1244 1227 0.00      
2 Σu 1633 1610 127.35      
3 Πu 408 403 17.88      
3 Πu 408 403 17.88      

Unscaled Zero Point Vibrational Energy (zpe) 1846.5 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1821.3 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
0.38884

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 1.244
N3 0.000 0.000 -1.244

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24421.2442
N21.24422.4884
N31.24422.4884

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 0.593      
2 N -0.296      
3 N -0.296      


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 -15.371 0.000 0.000
y 0.000 -15.371 0.000
z 0.000 0.000 -20.106
Traceless
 xyz
x 2.368 0.000 0.000
y 0.000 2.368 0.000
z 0.000 0.000 -4.735
Polar
3z2-r2-9.471
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 1.608 0.000 0.000
y 0.000 1.608 0.000
z 0.000 0.000 5.088


<r2> (average value of r2) Å2
<r2> 32.258
(<r2>)1/2 5.680

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-147.274780
Energy at 298.15K-147.274438
HF Energy-147.274780
Nuclear repulsion energy46.164703
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 1253 1236 0.00      
2 Σu 1900 1873 34.53      
3 Πu 509 502 5.82      
3 Πu 298 294 35.83      

Unscaled Zero Point Vibrational Energy (zpe) 1979.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 1952.8 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/6-31G**
B
0.38914

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 1.244
N3 0.000 0.000 -1.244

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24371.2437
N21.24372.4874
N31.24372.4874

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 0.617      
2 N -0.308      
3 N -0.308      


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 -16.735 0.000 0.000
y 0.000 -14.116 0.000
z 0.000 0.000 -20.151
Traceless
 xyz
x 0.399 0.000 0.000
y 0.000 4.327 0.000
z 0.000 0.000 -4.726
Polar
3z2-r2-9.452
x2-y2-2.619
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.608 0.000 0.000
y 0.000 1.608 0.000
z 0.000 0.000 5.088


<r2> (average value of r2) Å2
<r2> 32.274
(<r2>)1/2 5.681