return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NaCN (Sodium Cyanide)

using model chemistry: MP4=FULL/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-254.978978
Energy at 298.15K-254.978350
HF Energy-254.212319
Nuclear repulsion energy46.288576
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 MP4=FULL/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2037 2037        
2 Σ 363 363        
3 Π 114 114        
3 Π 114 114        

Unscaled Zero Point Vibrational Energy (zpe) 1314.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1314.3 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 MP4=FULL/cc-pCVTZ
B
0.15289

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.685
N2 0.000 0.000 -1.865
Na3 0.000 0.000 1.560

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17992.2454
N21.17993.4253
Na32.24543.4253

picture of Sodium Cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 Na3 0.000 C1 Na3 N2 0.000
N2 C1 Na3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-254.978978
Energy at 298.15K-254.978350
HF Energy-254.212319
Nuclear repulsion energy46.288576
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 MP4=FULL/cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pCVTZ
B
0.15289

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pCVTZ

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-254.978904
Energy at 298.15K-254.977992
HF Energy-254.219289
Nuclear repulsion energy48.540885
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 MP4=FULL/cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1992 1992        
2 Σ 407 407        
3 Π 27 27        
3 Π 27 27        

Unscaled Zero Point Vibrational Energy (zpe) 1226.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1226.2 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 MP4=FULL/cc-pCVTZ
B
0.17617

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.861
N2 0.000 0.000 -0.672
Na3 0.000 0.000 1.443

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18803.3033
N21.18802.1153
Na33.30332.1153

picture of Sodium Cyanide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 Na3 180.000 C1 Na3 N2 0.000
N2 C1 Na3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability