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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: ROHF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
Energy calculated at ROHF/6-311G**
 hartrees
Energy at 0K-146.748003
Energy at 298.15K-146.747674
HF Energy-146.748003
Nuclear repulsion energy46.796448
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 ROHF/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 1235 1127 0.00      
2 Σu 1449 1323 351.62      
3 Πu 400 365 13.33      
3 Πu 400 365 13.33      

Unscaled Zero Point Vibrational Energy (zpe) 1742.1 cm-1
Scaled (by 0.9126) Zero Point Vibrational Energy (zpe) 1589.9 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 ROHF/6-311G**
B
0.39986

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/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 1.227
N3 0.000 0.000 -1.227

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22691.2269
N21.22692.4539
N31.22692.4539

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 ROHF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.366      
2 N -0.183      
3 N -0.183      


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 -15.575 0.000 0.000
y 0.000 -15.575 0.000
z 0.000 0.000 -20.967
Traceless
 xyz
x 2.696 0.000 0.000
y 0.000 2.696 0.000
z 0.000 0.000 -5.392
Polar
3z2-r2-10.783
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 31.925
(<r2>)1/2 5.650