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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-147.160220
Energy at 298.15K-147.159938
HF Energy-146.758923
Nuclear repulsion energy46.635568
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/TZVP
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 1204 0.00      
2 Σu 1377 1314 308.39      
3 Πu 425 406 15.77      
3 Πu 425 406 15.77      

Unscaled Zero Point Vibrational Energy (zpe) 1744.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1665.2 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/TZVP
B
0.39711

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

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 1.231
N3 0.000 0.000 -1.231

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23121.2312
N21.23122.4623
N31.23122.4623

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/TZVP
 hartrees
Energy at 0K-147.101562
Energy at 298.15K-147.101294
HF Energy-146.656258
Nuclear repulsion energy46.869208
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/TZVP
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 1302 1243 0.00      
2 Σu 1735 1656 155.13      
3 Πu 541 517 7.14      
3 Πu 335 320 31.34      

Unscaled Zero Point Vibrational Energy (zpe) 1956.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1867.5 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/TZVP
B
0.40110

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

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
C11.22501.2250
N21.22502.4500
N31.22502.4500

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