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

using model chemistry: G2

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 G2
 hartrees
Energy at 0K-254.590361
Energy at 298.15K-254.585247
HF Energy-254.163171
Nuclear repulsion energy46.698108
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 HF/6-31G*
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 2454 2312 0.26      
2 Σ 368 347 63.79      
3 Π 126 119 15.26      
3 Π 126 119 15.26      

Unscaled Zero Point Vibrational Energy (zpe) 1536.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1447.9 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 MP2=FULL/6-31G*
B
0.15285

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.679
N2 0.000 0.000 -1.869
Na3 0.000 0.000 1.559

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19002.2382
N21.19003.4281
Na32.23823.4281

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 G2
 hartrees
Energy at 0K-254.594397
Energy at 298.15K-254.594189
HF Energy-254.170857
Nuclear repulsion energy51.636086
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 HF/6-31G*
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' 2330 2195 66.26      
2 A' 409 386 57.92      
3 A' 148 139 10.30      

Unscaled Zero Point Vibrational Energy (zpe) 1443.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 1360.0 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 MP2=FULL/6-31G*
ABC
1.82015 0.27620 0.23981

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.083 0.616 0.000
N2 0.000 1.133 0.000
Na3 -0.591 -1.057 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20002.3663
N21.20002.2689
Na32.36632.2689

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 88.537 C1 Na3 N2 28.020
N2 C1 Na3 63.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability