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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-147.262614
Energy at 298.15K-147.262358
HF Energy-146.772346
Nuclear repulsion energy46.819400
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/cc-pVQZ
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 1271 1208 0.00      
2 Σu 1409 1339 353.04      
3 Πu 439 417 17.32      
3 Πu 439 417 17.32      

Unscaled Zero Point Vibrational Energy (zpe) 1779.1 cm-1
Scaled (by 0.9505) Zero Point Vibrational Energy (zpe) 1691.0 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/cc-pVQZ
B
0.40025

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVQZ

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
C11.22631.2263
N21.22632.4526
N31.22632.4526

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/cc-pVQZ
 hartrees
Energy at 0K-147.208443
Energy at 298.15K-147.208181
HF Energy-146.671877
Nuclear repulsion energy47.010283
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/cc-pVQZ
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 1305 1240 0.00      
2 Σu 1744 1658 174.75      
3 Πu 572 544 9.36      
3 Πu 323 307 31.03      

Unscaled Zero Point Vibrational Energy (zpe) 1971.8 cm-1
Scaled (by 0.9505) Zero Point Vibrational Energy (zpe) 1874.2 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/cc-pVQZ
B
0.40352

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVQZ

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 1.221
N3 0.000 0.000 -1.221

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22131.2213
N21.22132.4427
N31.22132.4427

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