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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: TPSSh/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-147.504901
Energy at 298.15K-147.504612
HF Energy-147.504901
Nuclear repulsion energy46.399647
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/6-31+G**
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 1262 1215 0.00      
2 Σu 1556 1498 215.39      
3 Πu 420 405 15.47      
3 Πu 420 405 15.47      

Unscaled Zero Point Vibrational Energy (zpe) 1829.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1760.8 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/6-31+G**
B
0.39311

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

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 1.237
N3 0.000 0.000 -1.237

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23741.2374
N21.23742.4748
N31.23742.4748

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/6-31+G**
 hartrees
Energy at 0K-147.448263
Energy at 298.15K-147.447961
HF Energy-147.448263
Nuclear repulsion energy46.485653
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/6-31+G**
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 1284 1236 0.00      
2 Σu 1864 1794 46.79      
3 Πu 531 511 5.46      
3 Πu 317 305 31.56      

Unscaled Zero Point Vibrational Energy (zpe) 1997.6 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1922.7 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 TPSSh/6-31+G**
B
0.39457

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

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 1.235
N3 0.000 0.000 -1.235

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23511.2351
N21.23512.4703
N31.23512.4703

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