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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-147.355656
Energy at 298.15K-147.355421
HF Energy-147.355656
Nuclear repulsion energy46.867073
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/6-311G**
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 1287 1235 0.00      
2 Σu 1561 1498 223.88      
3 Πu 447 429 19.40      
3 Πu 447 429 19.40      

Unscaled Zero Point Vibrational Energy (zpe) 1871.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1795.7 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/6-311G**
B
0.40107

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22511.2251
N21.22512.4502
N31.22512.4502

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.340      
2 N -0.170      
3 N -0.170      


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 -15.472 0.000 0.000
y 0.000 -15.472 0.000
z 0.000 0.000 -20.503
Traceless
 xyz
x 2.516 0.000 0.000
y 0.000 2.516 0.000
z 0.000 0.000 -5.031
Polar
3z2-r2-10.062
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 5.113


<r2> (average value of r2) Å2
<r2> 31.722
(<r2>)1/2 5.632

State 2 (1Σg)

Jump to S1C1
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-147.296766
Energy at 298.15K-147.296522
HF Energy-147.296766
Nuclear repulsion energy47.009096
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/6-311G**
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 1319 1265 0.00      
2 Σu 1879 1802 73.51      
3 Πu 572 549 9.36      
3 Πu 337 323 35.14      

Unscaled Zero Point Vibrational Energy (zpe) 2053.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1969.7 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/6-311G**
B
0.40350

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.221
N3 0.000 0.000 -1.221

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22141.2214
N21.22142.4428
N31.22142.4428

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/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.362      
2 N -0.181      
3 N -0.181      


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 -16.845 0.000 0.000
y 0.000 -14.251 0.000
z 0.000 0.000 -20.531
Traceless
 xyz
x 0.546 0.000 0.000
y 0.000 4.437 0.000
z 0.000 0.000 -4.983
Polar
3z2-r2-9.967
x2-y2-2.594
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.532 0.000 0.000
y 0.000 1.763 0.000
z 0.000 0.000 5.241


<r2> (average value of r2) Å2
<r2> 31.633
(<r2>)1/2 5.624