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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-25.340876
Energy at 298.15K-25.340569
HF Energy-25.340876
Nuclear repulsion energy22.189664
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1249 1206 0.00      
2 Σu 1543 1490 179.05      
3 Πu 415 401 13.60      
3 Πu 415 401 13.60      

Unscaled Zero Point Vibrational Energy (zpe) 1811.2 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 1749.1 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 B3LYP/CEP-31G*
B
0.38399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-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 1.252
N3 0.000 0.000 -1.252

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25201.2520
N21.25202.5040
N31.25202.5040

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 B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.504      
2 N 0.252      
3 N 0.252      


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 -15.533 0.000 0.000
y 0.000 -15.533 0.000
z 0.000 0.000 -20.343
Traceless
 xyz
x 2.405 0.000 0.000
y 0.000 2.405 0.000
z 0.000 0.000 -4.809
Polar
3z2-r2-9.619
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 1.856 0.000 0.000
y 0.000 1.856 0.000
z 0.000 0.000 5.285


<r2> (average value of r2) Å2
<r2> 26.379
(<r2>)1/2 5.136

State 2 (1Σg)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-25.285873
Energy at 298.15K-25.285575
HF Energy-25.285873
Nuclear repulsion energy22.266244
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 B3LYP/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1285 1241 0.00      
2 Σu 1822 1760 55.19      
3 Πu 531 513 5.65      
3 Πu 325 314 26.63      

Unscaled Zero Point Vibrational Energy (zpe) 1981.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 1913.6 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 B3LYP/CEP-31G*
B
0.38665

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-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 1.248
N3 0.000 0.000 -1.248

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24771.2477
N21.24772.4954
N31.24772.4954

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 B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 N 0.242      
3 N 0.242      


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 -14.308 0.000 0.000
y 0.000 -16.927 0.000
z 0.000 0.000 -20.386
Traceless
 xyz
x 4.349 0.000 0.000
y 0.000 0.420 0.000
z 0.000 0.000 -4.769
Polar
3z2-r2-9.537
x2-y22.619
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.874 0.000 0.000
y 0.000 1.670 0.000
z 0.000 0.000 5.447


<r2> (average value of r2) Å2
<r2> 26.315
(<r2>)1/2 5.130