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

using model chemistry: B2PLYP=FULL/6-31G**

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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-254.929361
Energy at 298.15K-254.928757
HF Energy-254.826616
Nuclear repulsion energy46.513013
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 B2PLYP=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2164 2164 7.00      
2 Σ 369 369 53.98      
3 Π 122 122 17.03      
3 Π 122 122 17.03      

Unscaled Zero Point Vibrational Energy (zpe) 1388.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1388.9 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 B2PLYP=FULL/6-31G**
B
0.15485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.677
N2 0.000 0.000 -1.855
Na3 0.000 0.000 1.550

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17842.2267
N21.17843.4050
Na32.22673.4050

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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-254.935072
Energy at 298.15K-254.934826
HF Energy-254.833327
Nuclear repulsion energy51.673607
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 B2PLYP=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2068 2068 18.80      
2 A' 384 384 56.26      
3 A' 185 185 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 1318.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1318.4 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 B2PLYP=FULL/6-31G**
ABC
1.86819 0.27995 0.24346

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.091 0.628 0.000
N2 0.000 1.103 0.000
Na3 -0.595 -1.045 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18972.3747
N21.18972.2285
Na32.37472.2285

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 81.949 C1 Na3 N2 29.739
N2 C1 Na3 68.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-254.927252
Energy at 298.15K 
HF Energy-254.827829
Nuclear repulsion energy48.727669
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 B2PLYP=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2111 2111 89.14      
2 Σ 418 418 61.17      
3 Π 68i 68i 7.12      
3 Π 68i 68i 7.12      

Unscaled Zero Point Vibrational Energy (zpe) 1196.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1196.9 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 B2PLYP=FULL/6-31G**
B
0.17792

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.854
N2 0.000 0.000 -0.666
Na3 0.000 0.000 1.435

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18753.2887
N21.18752.1012
Na33.28872.1012

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