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

using model chemistry: QCISD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-254.521337
Energy at 298.15K-254.520753
HF Energy-254.203772
Nuclear repulsion energy46.051890
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)/TZVP
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 2138 2059        
2 Σ 353 340        
3 Π 132 127        
3 Π 132 127        

Unscaled Zero Point Vibrational Energy (zpe) 1377.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1326.3 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 QCISD(T)/TZVP
B
0.15017

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.701
N2 0.000 0.000 -1.876
Na3 0.000 0.000 1.576

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17542.2771
N21.17543.4524
Na32.27713.4524

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)/TZVP
 hartrees
Energy at 0K-254.522386
Energy at 298.15K-254.522096
HF Energy-254.206344
Nuclear repulsion energy51.172903
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)/TZVP
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' 363 350        
2 A' 167 161        
3 A' 2062 1986        

Unscaled Zero Point Vibrational Energy (zpe) 1296.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1248.5 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)/TZVP
ABC
1.89733 0.26866 0.23534

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.099 0.668 0.000
N2 0.000 1.109 0.000
Na3 -0.600 -1.070 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18412.4306
N21.18412.2598
Na32.43062.2598

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 83.549 C1 Na3 N2 28.953
N2 C1 Na3 67.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-254.522080
Energy at 298.15K-254.521359
HF Energy-254.210634
Nuclear repulsion energy48.174734
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)/TZVP
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 2092 2015        
2 Σ 393 378        
3 Π 81 78        
3 Π 81 78        

Unscaled Zero Point Vibrational Energy (zpe) 1323.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 1274.6 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 QCISD(T)/TZVP
B
0.17211

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.874
N2 0.000 0.000 -0.691
Na3 0.000 0.000 1.462

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18313.3363
N21.18312.1532
Na33.33632.1532

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