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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD(T)/aug-cc-pVDZ

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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-147.148836
Energy at 298.15K-147.148510
HF Energy-146.734192
Nuclear repulsion energy45.922576
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 CCSD(T)/aug-cc-pVDZ
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 1222 1176        
2 Σu 1408 1355        
3 Πu 402 387        
3 Πu 402 387        

Unscaled Zero Point Vibrational Energy (zpe) 1717.1 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1652.7 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 CCSD(T)/aug-cc-pVDZ
B
0.38524

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

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 1.250
N3 0.000 0.000 -1.250

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25001.2500
N21.25002.5000
N31.25002.5000

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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-147.099139
Energy at 298.15K-147.098805
HF Energy-146.629182
Nuclear repulsion energy45.970161
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 CCSD(T)/aug-cc-pVDZ
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 1229 1183        
2 Σu 1795 1728        
3 Πu 519 500        
3 Πu 295 284        

Unscaled Zero Point Vibrational Energy (zpe) 1919.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 1847.4 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 CCSD(T)/aug-cc-pVDZ
B
0.38604

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

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 1.249
N3 0.000 0.000 -1.249

Atom - Atom Distances (Å)
  C1 N2 N3
C11.24871.2487
N21.24872.4974
N31.24872.4974

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