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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: TPSSh/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 TPSSh/6-311G*
 hartrees
Energy at 0K-147.536046
Energy at 298.15K-147.535785
HF Energy-147.536046
Nuclear repulsion energy46.668518
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 TPSSh/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 1259 1213 0.00      
2 Σu 1549 1492 208.11      
3 Πu 436 420 18.64      
3 Πu 436 420 18.64      

Unscaled Zero Point Vibrational Energy (zpe) 1840.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1772.8 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 TPSSh/6-311G*
B
0.39768

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.230
N3 0.000 0.000 -1.230

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23031.2303
N21.23032.4606
N31.23032.4606

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

State 2 (1Σg)

Jump to S1C1
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-147.479311
Energy at 298.15K-147.479034
HF Energy-147.479311
Nuclear repulsion energy46.750227
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 TPSSh/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 1281 1233 0.00      
2 Σu 1859 1791 55.57      
3 Πu 558 537 7.87      
3 Πu 321 309 35.83      

Unscaled Zero Point Vibrational Energy (zpe) 2009.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1935.3 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 TPSSh/6-311G*
B
0.39907

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

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22811.2281
N21.22812.4563
N31.22812.4563

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