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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C*V 1Σ
1 2 yes CS 1A

Conformer 1 (C*V)

Jump to S1C2
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-254.491952
Energy at 298.15K-254.491592
HF Energy-254.167969
Nuclear repulsion energy46.389899
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(T)=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 Σ 2142 2142        
2 Σ 371 371        
3 Π 198 198        
3 Π 198 198        

Unscaled Zero Point Vibrational Energy (zpe) 1454.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1454.4 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(T)=FULL/6-31+G**
B
0.15443

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.674
N2 0.000 0.000 -1.860
Na3 0.000 0.000 1.551

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18542.2256
N21.18543.4110
Na32.22563.4110

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
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-254.494640
Energy at 298.15K-254.494335
HF Energy-254.173422
Nuclear repulsion energy50.952441
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(T)=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' 2048 2048        
2 A' 368 368        
3 A' 157 157        

Unscaled Zero Point Vibrational Energy (zpe) 1286.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1286.4 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(T)=FULL/6-31+G**
ABC
1.90004 0.26657 0.23377

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.687 0.000
N2 0.000 1.083 0.000
Na3 -0.616 -1.064 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19622.4723
N21.19622.2337
Na32.47232.2337

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 86.695 C1 Na3 N2 28.884
N2 C1 Na3 64.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability