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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: HF/aug-cc-pVTZ

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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-146.764322
Energy at 298.15K-146.764001
HF Energy-146.764322
Nuclear repulsion energy46.875235
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 HF/aug-cc-pVTZ
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 1237 1126 0.00      
2 Σu 1421 1294 420.27      
3 Πu 404 368 12.77      
3 Πu 404 368 12.77      

Unscaled Zero Point Vibrational Energy (zpe) 1732.8 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 1577.5 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 HF/aug-cc-pVTZ
B
0.40121

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

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
C11.22491.2249
N21.22492.4497
N31.22492.4497

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 HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 N -0.132      
3 N -0.132      


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 -15.688 0.000 0.000
y 0.000 -15.688 0.000
z 0.000 0.000 -20.701
Traceless
 xyz
x 2.506 0.000 0.000
y 0.000 2.506 0.000
z 0.000 0.000 -5.012
Polar
3z2-r2-10.025
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 2.550 0.000 0.000
y 0.000 2.550 0.000
z 0.000 0.000 5.066


<r2> (average value of r2) Å2
<r2> 31.846
(<r2>)1/2 5.643

State 2 (1Σg)

Jump to S1C1
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-146.665355
Energy at 298.15K-146.665179
HF Energy-146.665355
Nuclear repulsion energy47.763071
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 HF/aug-cc-pVTZ
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 1409 1283 0.00      
2 Σu 1503 1369 438.53      
3 Πu 646 588 19.07      
3 Πu 360 328 19.63      

Unscaled Zero Point Vibrational Energy (zpe) 1959.2 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 1783.6 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 HF/aug-cc-pVTZ
B
0.41655

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

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 1.202
N3 0.000 0.000 -1.202

Atom - Atom Distances (Å)
  C1 N2 N3
C11.20211.2021
N21.20212.4042
N31.20212.4042

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 HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.223      
2 N -0.111      
3 N -0.111      


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 -17.108 0.000 0.000
y 0.000 -14.680 0.000
z 0.000 0.000 -20.536
Traceless
 xyz
x 0.500 0.000 0.000
y 0.000 4.142 0.000
z 0.000 0.000 -4.642
Polar
3z2-r2-9.283
x2-y2-2.428
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.351 0.000 0.000
y 0.000 2.593 0.000
z 0.000 0.000 5.806


<r2> (average value of r2) Å2
<r2> 31.124
(<r2>)1/2 5.579