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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: B3PW91/6-31G(2df,p)

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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-147.434994
Energy at 298.15K-147.434785
HF Energy-147.434994
Nuclear repulsion energy46.707329
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 B3PW91/6-31G(2df,p)
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 1280 1230 0.00      
2 Σu 1577 1516 209.37      
3 Πu 464 446 20.22      
3 Πu 464 446 20.22      

Unscaled Zero Point Vibrational Energy (zpe) 1892.1 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 1819.0 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 B3PW91/6-31G(2df,p)
B
0.39834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

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 1.229
N3 0.000 0.000 -1.229

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22931.2293
N21.22932.4585
N31.22932.4585

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 B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.519      
2 N -0.259      
3 N -0.259      


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 -15.285 0.000 0.000
y 0.000 -15.285 0.000
z 0.000 0.000 -19.969
Traceless
 xyz
x 2.342 0.000 0.000
y 0.000 2.342 0.000
z 0.000 0.000 -4.684
Polar
3z2-r2-9.369
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 1.930 0.000 0.000
y 0.000 1.930 0.000
z 0.000 0.000 5.047


<r2> (average value of r2) Å2
<r2> 31.677
(<r2>)1/2 5.628

State 2 (1Σg)

Jump to S1C1
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-147.378110
Energy at 298.15K-147.377886
HF Energy-147.378110
Nuclear repulsion energy46.828725
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 B3PW91/6-31G(2df,p)
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 1306 1256 0.00      
2 Σu 1882 1809 67.95      
3 Πu 586 563 11.03      
3 Πu 350 336 34.07      

Unscaled Zero Point Vibrational Energy (zpe) 2062.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 1982.4 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 B3PW91/6-31G(2df,p)
B
0.40041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

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 1.226
N3 0.000 0.000 -1.226

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22611.2261
N21.22612.4522
N31.22612.4522

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 B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.556      
2 N -0.278      
3 N -0.278      


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 -16.583 0.000 0.000
y 0.000 -14.114 0.000
z 0.000 0.000 -19.995
Traceless
 xyz
x 0.471 0.000 0.000
y 0.000 4.175 0.000
z 0.000 0.000 -4.646
Polar
3z2-r2-9.293
x2-y2-2.469
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.785 0.000 0.000
y 0.000 1.963 0.000
z 0.000 0.000 5.149


<r2> (average value of r2) Å2
<r2> 31.600
(<r2>)1/2 5.621