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

using model chemistry: QCISD(TQ)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A

Conformer 1 (C*V)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(TQ)=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(TQ)=FULL/6-31+G**
 hartrees
Energy at 0K-254.494021
Energy at 298.15K-254.493711
HF Energy-254.173604
Nuclear repulsion energy50.985870
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 QCISD(TQ)=FULL/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2070 2070        
2 A' 366 366        
3 A' 155 155        

Unscaled Zero Point Vibrational Energy (zpe) 1295.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1295.5 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 QCISD(TQ)=FULL/6-31+G**
ABC
1.89436 0.26713 0.23412

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.682 0.000
N2 0.000 1.089 0.000
Na3 -0.612 -1.065 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19442.4624
N21.19442.2400
Na32.46242.2400

picture of Sodium Cyanide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 Na3 85.916 C1 Na3 N2 28.936
N2 C1 Na3 65.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability