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

using model chemistry: MP2/6-31G**

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 MP2/6-31G**
 hartrees
Energy at 0K-254.450394
Energy at 298.15K-254.449732
HF Energy-254.158813
Nuclear repulsion energy45.908190
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 MP2/6-31G**
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 2062 1931 14.77      
2 Σ 361 338 55.81      
3 Π 108 101 18.48      
3 Π 108 101 18.48      

Unscaled Zero Point Vibrational Energy (zpe) 1319.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1235.9 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 MP2/6-31G**
B
0.15059

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

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 -1.880
Na3 0.000 0.000 1.572

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19142.2605
N21.19143.4520
Na32.26053.4520

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 MP2/6-31G**
 hartrees
Energy at 0K-254.456423
Energy at 298.15K-254.456193
HF Energy-254.166640
Nuclear repulsion energy51.102622
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 MP2/6-31G**
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' 1990 1864 6.61      
2 A' 381 357 62.82      
3 A' 198 185 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 1284.5 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1202.9 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 MP2/6-31G**
ABC
1.81610 0.27413 0.23818

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.084 0.620 0.000
N2 0.000 1.138 0.000
Na3 -0.591 -1.062 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20122.3735
N21.20122.2782
Na32.37352.2782

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 79.477 C1 Na3 N2 29.839
N2 C1 Na3 70.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-254.446468
Energy at 298.15K 
HF Energy-254.164440
Nuclear repulsion energy48.142913
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 MP2/6-31G**
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 2058 1927 51.65      
2 Σ 408 382 66.12      
3 Π 66i 62i 6.39      
3 Π 66i 62i 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 1166.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1092.3 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 MP2/6-31G**
B
0.17315

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.876
N2 0.000 0.000 -0.679
Na3 0.000 0.000 1.456

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19663.3315
N21.19662.1349
Na33.33152.1349

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