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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: QCISD(T)/TZVP

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 QCISD(T)/TZVP
 hartrees
Energy at 0K-147.180948
Energy at 298.15K-147.180637
HF Energy-146.758667
Nuclear repulsion energy46.429379
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 QCISD(T)/TZVP
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 1239 1194        
2 Σu 1426 1374        
3 Πu 410 395        
3 Πu 410 395        

Unscaled Zero Point Vibrational Energy (zpe) 1742.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1678.4 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 QCISD(T)/TZVP
B
0.39379

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

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 1.236
N3 0.000 0.000 -1.236

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23631.2363
N21.23632.4727
N31.23632.4727

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 QCISD(T)/TZVP
 hartrees
Energy at 0K-147.129901
Energy at 298.15K-147.129581
HF Energy-146.654334
Nuclear repulsion energy46.498324
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 QCISD(T)/TZVP
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 1246 1201        
2 Σu 1788 1722        
3 Πu 510 491        
3 Πu 313 302        

Unscaled Zero Point Vibrational Energy (zpe) 1928.4 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1857.5 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 QCISD(T)/TZVP
B
0.39496

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

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
C11.23451.2345
N21.23452.4690
N31.23452.4690

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