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

using model chemistry: MP2/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-254.564183
Energy at 298.15K-254.563543
HF Energy-254.212426
Nuclear repulsion energy46.022992
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/cc-pCVTZ
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 2054 1958 13.84      
2 Σ 358 341 60.21      
3 Π 113 107 15.63      
3 Π 113 107 15.63      

Unscaled Zero Point Vibrational Energy (zpe) 1318.5 cm-1
Scaled (by 0.9532) Zero Point Vibrational Energy (zpe) 1256.8 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/cc-pCVTZ
B
0.15041

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.697
N2 0.000 0.000 -1.877
Na3 0.000 0.000 1.574

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17982.2712
N21.17983.4510
Na32.27123.4510

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/cc-pCVTZ
 hartrees
Energy at 0K-254.568351
Energy at 298.15K-254.568113
HF Energy-254.219770
Nuclear repulsion energy51.220495
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/cc-pCVTZ
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' 1988 1895 7.62      
2 A' 369 351 69.27      
3 A' 195 186 6.51      

Unscaled Zero Point Vibrational Energy (zpe) 1275.7 cm-1
Scaled (by 0.9532) Zero Point Vibrational Energy (zpe) 1216.0 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/cc-pCVTZ
ABC
1.86226 0.27191 0.23727

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.084 0.641 0.000
N2 0.000 1.128 0.000
Na3 -0.591 -1.067 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18842.3924
N21.18842.2739
Na32.39242.2739

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 80.850 C1 Na3 N2 29.367
N2 C1 Na3 69.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2/cc-pCVTZ
 hartrees
Energy at 0K-254.562899
Energy at 298.15K-254.561890
HF Energy-254.219613
Nuclear repulsion energy48.268860
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/cc-pCVTZ
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 2044 1948 55.56      
2 Σ 397 378 71.65      
3 Π 5 5 3.46      
3 Π 5 5 3.46      

Unscaled Zero Point Vibrational Energy (zpe) 1225.3 cm-1
Scaled (by 0.9532) Zero Point Vibrational Energy (zpe) 1168.0 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/cc-pCVTZ
B
0.17320

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.871
N2 0.000 0.000 -0.686
Na3 0.000 0.000 1.457

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18503.3276
N21.18502.1426
Na33.32762.1426

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