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All results from a given calculation for NCN (Cyanoimidogen)

using model chemistry: CCSD=FULL/aug-cc-pVQZ

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=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-147.353959
Energy at 298.15K-147.353713
HF Energy-146.772664
Nuclear repulsion energy46.937058
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=FULL/aug-cc-pVQZ
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 1282 1282 0.00      
2 Σu 1426 1426 349.97      
3 Πu 443 443 17.60      
3 Πu 443 443 17.60      

Unscaled Zero Point Vibrational Energy (zpe) 1797.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1797.2 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=FULL/aug-cc-pVQZ
B
0.40227

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVQZ

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 1.223
N3 0.000 0.000 -1.223

Atom - Atom Distances (Å)
  C1 N2 N3
C11.22321.2232
N21.22322.4465
N31.22322.4465

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=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-147.299870
Energy at 298.15K-147.299616
HF Energy-146.672657
Nuclear repulsion energy47.121954
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=FULL/aug-cc-pVQZ
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 1315 1315 0.00      
2 Σu 1758 1758 166.65      
3 Πu 577 577 9.22      
3 Πu 327 327 30.91      

Unscaled Zero Point Vibrational Energy (zpe) 1988.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1988.2 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=FULL/aug-cc-pVQZ
B
0.40544

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVQZ

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 1.218
N3 0.000 0.000 -1.218

Atom - Atom Distances (Å)
  C1 N2 N3
C11.21851.2185
N21.21852.4369
N31.21852.4369

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