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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP2/LANL2DZ

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 MP2/LANL2DZ
 hartrees
Energy at 0K-146.866167
Energy at 298.15K-146.865913
HF Energy-146.670789
Nuclear repulsion energy45.863638
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 MP2/LANL2DZ
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 1240 1194 0.00      
2 Σu 778 749 435.16      
3 Πu 508 489 15.87      
3 Πu 508 489 15.87      

Unscaled Zero Point Vibrational Energy (zpe) 1516.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1460.7 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 MP2/LANL2DZ
B
0.38408

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

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 1.252
N3 0.000 0.000 -1.252

Atom - Atom Distances (Å)
  C1 N2 N3
C11.25191.2519
N21.25192.5038
N31.25192.5038

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 MP2/LANL2DZ
 hartrees
Energy at 0K-146.831610
Energy at 298.15K-146.831371
HF Energy-146.556303
Nuclear repulsion energy45.448453
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 MP2/LANL2DZ
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 1221 1176 0.00      
2 Σu 1371 1320 150.06      
3 Πu 508 489 1.35      
3 Πu 412 397 45.52      

Unscaled Zero Point Vibrational Energy (zpe) 1755.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1691.2 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 MP2/LANL2DZ
B
0.37715

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

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 1.263
N3 0.000 0.000 -1.263

Atom - Atom Distances (Å)
  C1 N2 N3
C11.26331.2633
N21.26332.5266
N31.26332.5266

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