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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-147.093941
Energy at 298.15K-147.093726
HF Energy-146.718628
Nuclear repulsion energy46.857214
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 MP3=FULL/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 1339 1248 0.00      
2 Σu 1149 1071 545.82      
3 Πu 475 442 17.50      
3 Πu 475 442 17.50      

Unscaled Zero Point Vibrational Energy (zpe) 1719.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 1601.5 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 MP3=FULL/6-31+G**
B
0.40090

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/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 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22531.2253
N21.22532.4507
N31.22532.4507

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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-147.045899
Energy at 298.15K-147.045638
HF Energy-146.616873
Nuclear repulsion energy46.824925
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 MP3=FULL/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 1356 1263 0.00      
2 Σu 1782 1660 130.39      
3 Πu 522 486 7.36      
3 Πu 355 331 30.84      

Unscaled Zero Point Vibrational Energy (zpe) 2007.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 1869.9 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 MP3=FULL/6-31+G**
B
0.40035

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/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 1.226
N3 0.000 0.000 -1.226

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22621.2262
N21.22622.4524
N31.22622.4524

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