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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-254.336893
Energy at 298.15K-254.336402
HF Energy-254.112254
Nuclear repulsion energy45.766122
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/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 1938 1841 14.83      
2 Σ 374 355 51.70      
3 Π 155 148 21.60      
3 Π 155 148 21.60      

Unscaled Zero Point Vibrational Energy (zpe) 1310.9 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 1245.4 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 MP2=FULL/6-31G
B
0.15151

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.670
N2 0.000 0.000 -1.884
Na3 0.000 0.000 1.564

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.21352.2343
N21.21353.4477
Na32.23433.4477

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/6-31G
 hartrees
Energy at 0K-254.332882
Energy at 298.15K-254.332537
HF Energy-254.111553
Nuclear repulsion energy50.391473
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/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' 1847 1755 3.29      
2 A' 360 342 60.95      
3 A' 139 132 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 1172.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 1114.2 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 MP2=FULL/6-31G
ABC
1.74718 0.26840 0.23266

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.100 0.618 0.000
N2 0.000 1.156 0.000
Na3 -0.600 -1.072 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.22412.3965
N21.22412.3072
Na32.39652.3072

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 78.992 C1 Na3 N2 30.092
N2 C1 Na3 70.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-254.331289
Energy at 298.15K-254.330639
HF Energy-254.121908
Nuclear repulsion energy48.012543
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/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 1953 1856 37.28      
2 Σ 415 394 64.23      
3 Π 96 91 9.10      
3 Π 96 91 9.10      

Unscaled Zero Point Vibrational Energy (zpe) 1280.3 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 1216.4 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 MP2=FULL/6-31G
B
0.17373

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.882
N2 0.000 0.000 -0.666
Na3 0.000 0.000 1.450

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.21583.3324
N21.21582.1165
Na33.33242.1165

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