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

using model chemistry: QCISD(T)/cc-pVDZ

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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-254.486014
Energy at 298.15K-254.485290
HF Energy-254.179351
Nuclear repulsion energy45.804955
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)/cc-pVDZ
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 2122 2022        
2 Σ 356 339        
3 Π 91 86        
3 Π 91 86        

Unscaled Zero Point Vibrational Energy (zpe) 1329.5 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1267.2 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)/cc-pVDZ
B
0.14941

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.696
N2 0.000 0.000 -1.885
Na3 0.000 0.000 1.579

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18952.2745
N21.18953.4640
Na32.27453.4640

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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-254.493634
Energy at 298.15K-254.493365
HF Energy-254.188903
Nuclear repulsion energy50.977255
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)/cc-pVDZ
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' 375 357        
2 A' 174 165        
3 A' 2027 1932        

Unscaled Zero Point Vibrational Energy (zpe) 1287.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1227.5 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)/cc-pVDZ
ABC
1.84710 0.27017 0.23569

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.112 0.655 0.000
N2 0.000 1.107 0.000
Na3 -0.607 -1.062 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20082.4295
N21.20082.2525
Na32.42952.2525

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 83.492 C1 Na3 N2 29.410
N2 C1 Na3 67.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-254.488354
Energy at 298.15K 
HF Energy-254.188034
Nuclear repulsion energy48.052973
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)/cc-pVDZ
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 1965        
2 Σ 409 389        
3 Π 64i 61i        
3 Π 64i 61i        

Unscaled Zero Point Vibrational Energy (zpe) 1171.6 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1116.7 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)/cc-pVDZ
B
0.17261

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.879
N2 0.000 0.000 -0.680
Na3 0.000 0.000 1.458

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19973.3371
N21.19972.1374
Na33.33712.1374

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