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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-147.226205
Energy at 298.15K-147.225944
HF Energy-146.762866
Nuclear repulsion energy46.674527
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-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 1262 1188 0.00      
2 Σu 1400 1318 341.99      
3 Πu 435 410 16.85      
3 Πu 435 410 16.85      

Unscaled Zero Point Vibrational Energy (zpe) 1766.2 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 1662.3 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 CCSD/cc-pVTZ
B
0.39778

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.230
N3 0.000 0.000 -1.230

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23011.2301
N21.23012.4603
N31.23012.4603

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-pVTZ
 hartrees
Energy at 0K-147.170758
Energy at 298.15K-147.170493
HF Energy-146.661804
Nuclear repulsion energy46.876664
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-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 1297 1221 0.00      
2 Σu 1742 1640 171.82      
3 Πu 567 534 9.12      
3 Πu 323 304 30.67      

Unscaled Zero Point Vibrational Energy (zpe) 1964.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 1849.1 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-pVTZ
B
0.40123

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.225
N3 0.000 0.000 -1.225

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22481.2248
N21.22482.4497
N31.22482.4497

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