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

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-251.181096
Energy at 298.15K-251.180833
HF Energy-250.974176
Nuclear repulsion energy47.369306
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 MP2=FULL/STO-3G
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 2007 1784 42.73      
2 Σ 563 500 70.02      
3 Π 211 187 14.06      
3 Π 211 187 14.06      

Unscaled Zero Point Vibrational Energy (zpe) 1495.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 1329.5 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 MP2=FULL/STO-3G
B
0.16732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.593
N2 0.000 0.000 -1.817
Na3 0.000 0.000 1.480

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.22382.0730
N21.22383.2967
Na32.07303.2967

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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-251.172024
Energy at 298.15K-251.172011
HF Energy-250.976388
Nuclear repulsion energy53.669122
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 MP2=FULL/STO-3G
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' 1888 1679 10.12      
2 A' 576 512 93.54      
3 A' 298 265 5.51      

Unscaled Zero Point Vibrational Energy (zpe) 1381.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 1227.7 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 MP2=FULL/STO-3G
ABC
1.70002 0.33648 0.28089

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.065 0.447 0.000
N2 0.000 1.080 0.000
Na3 -0.581 -0.931 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.23912.1472
N21.23912.0931
Na32.14722.0931

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 75.418 C1 Na3 N2 33.952
N2 C1 Na3 70.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-251.166504
Energy at 298.15K-251.166082
HF Energy-250.978298
Nuclear repulsion energy49.617731
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 MP2=FULL/STO-3G
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 2068 1838 16.74      
2 Σ 594 528 87.77      
3 Π 148 131 4.15      
3 Π 148 131 4.15      

Unscaled Zero Point Vibrational Energy (zpe) 1478.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 1314.5 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 MP2=FULL/STO-3G
B
0.18951

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.826
N2 0.000 0.000 -0.606
Na3 0.000 0.000 1.381

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.21983.2068
N21.21981.9870
Na33.20681.9870

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