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

using model chemistry: CISD/6-311G*

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 CISD/6-311G*
 hartrees
Energy at 0K-254.471527
Energy at 298.15K-254.470910
HF Energy-254.190664
Nuclear repulsion energy46.347401
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 CISD/6-311G*
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 2257 2089 1.67      
2 Σ 366 339 61.46      
3 Π 119 110 18.47      
3 Π 119 110 18.47      

Unscaled Zero Point Vibrational Energy (zpe) 1430.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 1323.5 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 CISD/6-311G*
B
0.15176

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.700
N2 0.000 0.000 -1.865
Na3 0.000 0.000 1.569

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.16462.2686
N21.16463.4332
Na32.26863.4332

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 CISD/6-311G*
 hartrees
Energy at 0K-254.478081
Energy at 298.15K-254.477842
HF Energy-254.197826
Nuclear repulsion energy51.544517
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 CISD/6-311G*
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' 391 362 64.37      
2 A' 183 169 9.63      
3 A' 2162 2000 26.88      

Unscaled Zero Point Vibrational Energy (zpe) 1368.1 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 1265.9 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 CISD/6-311G*
ABC
1.94088 0.27193 0.23851

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.100 0.674 0.000
N2 0.000 1.089 0.000
Na3 -0.600 -1.060 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17572.4290
N21.17572.2313
Na32.42902.2313

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 84.959 C1 Na3 N2 28.826
N2 C1 Na3 66.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-254.473487
Energy at 298.15K-254.472527
HF Energy-254.197136
Nuclear repulsion energy48.605498
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 CISD/6-311G*
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 2191 2027 103.33      
2 Σ 413 382 71.98      
3 Π 14 13 6.78      
3 Π 14 13 6.78      

Unscaled Zero Point Vibrational Energy (zpe) 1316.5 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 1218.2 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 CISD/6-311G*
B
0.17536

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.858
N2 0.000 0.000 -0.683
Na3 0.000 0.000 1.448

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17433.3060
N21.17432.1317
Na33.30602.1317

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