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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-147.107997
Energy at 298.15K-147.107786
HF Energy-146.734923
Nuclear repulsion energy46.592237
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 CCD/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 1309 1262 0.00      
2 Σu 1136 1096 606.69      
3 Πu 474 458 17.83      
3 Πu 474 458 17.83      

Unscaled Zero Point Vibrational Energy (zpe) 1696.5 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 1636.3 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 CCD/aug-cc-pVDZ
B
0.39638

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.232
N3 0.000 0.000 -1.232

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23231.2323
N21.23232.4646
N31.23232.4646

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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-147.060482
Energy at 298.15K-147.060225
HF Energy-146.632419
Nuclear repulsion energy46.544086
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 CCD/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 1318 1272 0.00      
2 Σu 1625 1567 268.57      
3 Πu 561 541 7.40      
3 Πu 333 322 28.17      

Unscaled Zero Point Vibrational Energy (zpe) 1918.7 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 1850.6 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 CCD/aug-cc-pVDZ
B
0.39556

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.234
N3 0.000 0.000 -1.234

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23361.2336
N21.23362.4672
N31.23362.4672

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