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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: MP3=FULL/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 MP3=FULL/TZVP
 hartrees
Energy at 0K-147.187650
Energy at 298.15K-147.187466
HF Energy-146.758727
Nuclear repulsion energy47.230658
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 MP3=FULL/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 1343 1254 0.00      
2 Σu 1114 1040 518.83      
3 Πu 493 460 19.08      
3 Πu 493 460 19.08      

Unscaled Zero Point Vibrational Energy (zpe) 1721.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1607.1 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 MP3=FULL/TZVP
B
0.40731

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/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 1.216
N3 0.000 0.000 -1.216

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21561.2156
N21.21562.4313
N31.21562.4313

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 MP3=FULL/TZVP
 hartrees
Energy at 0K-147.138842
Energy at 298.15K-147.138625
HF Energy-146.657468
Nuclear repulsion energy47.211943
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 MP3=FULL/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 1360 1269 0.00      
2 Σu 1763 1646 135.15      
3 Πu 558 521 8.27      
3 Πu 369 345 33.27      

Unscaled Zero Point Vibrational Energy (zpe) 2024.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 1890.5 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 MP3=FULL/TZVP
B
0.40699

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/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 1.216
N3 0.000 0.000 -1.216

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21611.2161
N21.21612.4323
N31.21612.4323

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