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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-147.463232
Energy at 298.15K-147.462991
HF Energy-147.463232
Nuclear repulsion energy46.830526
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 B3PW91/6-311G*
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 1279 1231 0.00      
2 Σu 1565 1507 206.78      
3 Πu 446 430 19.77      
3 Πu 446 430 19.77      

Unscaled Zero Point Vibrational Energy (zpe) 1868.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 1798.5 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 B3PW91/6-311G*
B
0.40044

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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
C11.22601.2260
N21.22602.4521
N31.22602.4521

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 B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.349      
2 N -0.174      
3 N -0.174      


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 -15.447 0.000 0.000
y 0.000 -15.447 0.000
z 0.000 0.000 -20.526
Traceless
 xyz
x 2.540 0.000 0.000
y 0.000 2.540 0.000
z 0.000 0.000 -5.079
Polar
3z2-r2-10.158
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 1.733 0.000 0.000
y 0.000 1.733 0.000
z 0.000 0.000 5.139


<r2> (average value of r2) Å2
<r2> 31.749
(<r2>)1/2 5.635

State 2 (1Σg)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-147.406869
Energy at 298.15K-147.406616
HF Energy-147.406869
Nuclear repulsion energy46.946115
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 B3PW91/6-311G*
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 1305 1257 0.00      
2 Σu 1876 1806 64.70      
3 Πu 568 547 9.17      
3 Πu 335 322 35.95      

Unscaled Zero Point Vibrational Energy (zpe) 2042.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 1965.9 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 B3PW91/6-311G*
B
0.40242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 1.223
N3 0.000 0.000 -1.223

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22301.2230
N21.22302.4460
N31.22302.4460

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 B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 N -0.185      
3 N -0.185      


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 -14.220 0.000 0.000
y 0.000 -16.820 0.000
z 0.000 0.000 -20.559
Traceless
 xyz
x 4.470 0.000 0.000
y 0.000 0.570 0.000
z 0.000 0.000 -5.040
Polar
3z2-r2-10.079
x2-y22.600
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.764 0.000 0.000
y 0.000 1.539 0.000
z 0.000 0.000 5.252


<r2> (average value of r2) Å2
<r2> 31.683
(<r2>)1/2 5.629