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

using model chemistry: MP4/6-31G*

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
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-254.470868
Energy at 298.15K-254.470197
HF Energy-254.158705
Nuclear repulsion energy45.884377
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 MP4/6-31G*
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 2053 1960        
2 Σ 359 343        
3 Π 107 102        
3 Π 107 102        

Unscaled Zero Point Vibrational Energy (zpe) 1313.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1253.6 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 MP4/6-31G*
B
0.15041

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.689
N2 0.000 0.000 -1.881
Na3 0.000 0.000 1.573

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19202.2620
N21.19203.4540
Na32.26203.4540

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 MP4/6-31G*
 hartrees
Energy at 0K-254.478009
Energy at 298.15K-254.477770
HF Energy-254.166337
Nuclear repulsion energy51.045005
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 MP4/6-31G*
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' 1953 1864        
2 A' 383 365        
3 A' 193 184        

Unscaled Zero Point Vibrational Energy (zpe) 1264.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1206.9 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 MP4/6-31G*
ABC
1.81669 0.27353 0.23774

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.097 0.629 0.000
N2 0.000 1.125 0.000
Na3 -0.598 -1.059 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20402.3928
N21.20402.2646
Na32.39282.2646

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 81.007 C1 Na3 N2 29.802
N2 C1 Na3 69.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-254.469195
Energy at 298.15K 
HF Energy-254.163702
Nuclear repulsion energy48.084794
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 MP4/6-31G*
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 1997 1906        
2 Σ 409 391        
3 Π 62i 60i        
3 Π 62i 60i        

Unscaled Zero Point Vibrational Energy (zpe) 1140.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1088.9 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 MP4/6-31G*
B
0.17308

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.878
N2 0.000 0.000 -0.677
Na3 0.000 0.000 1.455

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20143.3336
N21.20142.1322
Na33.33362.1322

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