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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
1 2 no CS 1A
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-254.329821
Energy at 298.15K-254.329304
HF Energy-254.115242
Nuclear repulsion energy45.879526
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/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 2101 2024 1.74      
2 Σ 367 354 51.44      
3 Π 149 144 19.12      
3 Π 149 144 19.12      

Unscaled Zero Point Vibrational Energy (zpe) 1383.1 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1332.7 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/6-31G
B
0.15092

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.683
N2 0.000 0.000 -1.881
Na3 0.000 0.000 1.569

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19712.2528
N21.19713.4499
Na32.25283.4499

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/6-31G
 hartrees
Energy at 0K-254.327593
Energy at 298.15K-254.327208
HF Energy-254.115851
Nuclear repulsion energy50.385070
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/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' 1992 1919 24.43      
2 A' 387 373 49.99      
3 A' 98 95 9.90      

Unscaled Zero Point Vibrational Energy (zpe) 1238.4 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1193.3 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/6-31G
ABC
1.93141 0.25760 0.22729

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.164 0.732 0.000
N2 0.000 1.060 0.000
Na3 -0.635 -1.074 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20922.5493
N21.20922.2260
Na32.54932.2260

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 90.868 C1 Na3 N2 28.313
N2 C1 Na3 60.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-254.328923
Energy at 298.15K-254.328295
HF Energy-254.123348
Nuclear repulsion energy48.184208
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/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 2042 1968 71.32      
2 Σ 419 404 62.08      
3 Π 101 98 12.01      
3 Π 101 98 12.01      

Unscaled Zero Point Vibrational Energy (zpe) 1331.8 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 1283.3 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/6-31G
B
0.17444

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.875
N2 0.000 0.000 -0.669
Na3 0.000 0.000 1.448

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20593.3233
N21.20592.1174
Na33.32332.1174

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