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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-147.321547
Energy at 298.15K-147.321272
HF Energy-147.321547
Nuclear repulsion energy46.595084
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 PBE1PBE/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 1293 1232 0.00      
2 Σu 1572 1498 206.76      
3 Πu 428 408 18.56      
3 Πu 428 408 18.56      

Unscaled Zero Point Vibrational Energy (zpe) 1860.4 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1773.2 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 PBE1PBE/6-31G**
B
0.39643

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.232
N3 0.000 0.000 -1.232

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23221.2322
N21.23222.4645
N31.23222.4645

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 PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.598      
2 N -0.299      
3 N -0.299      


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 -15.375 0.000 0.000
y 0.000 -15.375 0.000
z 0.000 0.000 -20.212
Traceless
 xyz
x 2.418 0.000 0.000
y 0.000 2.418 0.000
z 0.000 0.000 -4.837
Polar
3z2-r2-9.674
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 1.609 0.000 0.000
y 0.000 1.609 0.000
z 0.000 0.000 5.003


<r2> (average value of r2) Å2
<r2> 31.867
(<r2>)1/2 5.645

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-147.261996
Energy at 298.15K-147.261717
HF Energy-147.261996
Nuclear repulsion energy46.744622
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 PBE1PBE/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 1326 1264 0.00      
2 Σu 1891 1802 69.14      
3 Πu 539 514 8.91      
3 Πu 330 314 33.97      

Unscaled Zero Point Vibrational Energy (zpe) 2042.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1946.9 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 PBE1PBE/6-31G**
B
0.39897

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.228
N3 0.000 0.000 -1.228

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22831.2283
N21.22832.4566
N31.22832.4566

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 PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.629      
2 N -0.314      
3 N -0.314      


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 -16.726 0.000 0.000
y 0.000 -14.150 0.000
z 0.000 0.000 -20.233
Traceless
 xyz
x 0.466 0.000 0.000
y 0.000 4.329 0.000
z 0.000 0.000 -4.795
Polar
3z2-r2-9.590
x2-y2-2.575
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.393 0.000 0.000
y 0.000 1.660 0.000
z 0.000 0.000 5.146


<r2> (average value of r2) Å2
<r2> 31.762
(<r2>)1/2 5.636