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

using model chemistry: CCD/6-31+G**

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 CCD/6-31+G**
 hartrees
Energy at 0K-254.460914
Energy at 298.15K-254.460329
HF Energy-254.169357
Nuclear repulsion energy46.017774
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 CCD/6-31+G**
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 2212 2085 0.81      
2 Σ 354 334 63.55      
3 Π 132 125 17.86      
3 Π 132 125 17.86      

Unscaled Zero Point Vibrational Energy (zpe) 1415.6 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1333.9 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 CCD/6-31+G**
B
0.15015

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.699
N2 0.000 0.000 -1.877
Na3 0.000 0.000 1.576

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17792.2753
N21.17793.4532
Na32.27533.4532

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 CCD/6-31+G**
 hartrees
Energy at 0K-254.465312
Energy at 298.15K-254.465021
HF Energy-254.174405
Nuclear repulsion energy50.959140
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 CCD/6-31+G**
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' 2129 2006 25.09      
2 A' 375 354 66.86      
3 A' 161 151 9.07      

Unscaled Zero Point Vibrational Energy (zpe) 1332.3 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1255.4 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 CCD/6-31+G**
ABC
1.90797 0.26508 0.23274

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.115 0.688 0.000
N2 0.000 1.097 0.000
Na3 -0.608 -1.074 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18772.4643
N21.18772.2545
Na32.46432.2545

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 85.494 C1 Na3 N2 28.718
N2 C1 Na3 65.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-254.462307
Energy at 298.15K-254.461629
HF Energy-254.176279
Nuclear repulsion energy48.139360
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 CCD/6-31+G**
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 2161 2036 96.75      
2 Σ 395 372 74.70      
3 Π 93 88 9.71      
3 Π 93 88 9.71      

Unscaled Zero Point Vibrational Energy (zpe) 1371.3 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 1292.2 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 CCD/6-31+G**
B
0.17203

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.876
N2 0.000 0.000 -0.690
Na3 0.000 0.000 1.462

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18583.3379
N21.18582.1521
Na33.33792.1521

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