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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-147.252449
Energy at 298.15K-147.252159
HF Energy-146.762597
Nuclear repulsion energy46.444794
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)/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 1173        
2 Σu 1454 1379        
3 Πu 420 398        
3 Πu 420 398        

Unscaled Zero Point Vibrational Energy (zpe) 1765.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1674.4 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)/cc-pVTZ
B
0.39405

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/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 1.236
N3 0.000 0.000 -1.236

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23591.2359
N21.23592.4719
N31.23592.4719

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)/cc-pVTZ
 hartrees
Energy at 0K-147.204555
Energy at 298.15K-147.204245
HF Energy-146.659871
Nuclear repulsion energy46.490191
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)/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 1240 1177        
2 Σu 1791 1699        
3 Πu 537 510        
3 Πu 304 289        

Unscaled Zero Point Vibrational Energy (zpe) 1936.2 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1836.7 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 QCISD(T)/cc-pVTZ
B
0.39482

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/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 1.235
N3 0.000 0.000 -1.235

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23471.2347
N21.23472.4695
N31.23472.4695

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