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

using model chemistry: MP2/Def2TZVPP

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 MP2/Def2TZVPP
 hartrees
Energy at 0K-254.556447
Energy at 298.15K-254.555829
HF Energy-254.209835
Nuclear repulsion energy46.033050
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/Def2TZVPP
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 2055 1955 11.88      
2 Σ 359 342 62.21      
3 Π 120 115 16.40      
3 Π 120 115 16.40      

Unscaled Zero Point Vibrational Energy (zpe) 1327.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1263.3 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 MP2/Def2TZVPP
B
0.15058

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.697
N2 0.000 0.000 -1.872
Na3 0.000 0.000 1.571

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17532.2677
N21.17533.4429
Na32.26773.4429

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/Def2TZVPP
 hartrees
Energy at 0K-254.559515
Energy at 298.15K-254.559262
HF Energy-254.216404
Nuclear repulsion energy51.247472
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/Def2TZVPP
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' 1993 1896 6.79      
2 A' 367 349 71.68      
3 A' 190 181 6.82      

Unscaled Zero Point Vibrational Energy (zpe) 1274.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1213.0 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/Def2TZVPP
ABC
1.86454 0.27231 0.23761

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.114 0.672 0.000
N2 0.000 1.084 0.000
Na3 -0.608 -1.057 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18802.4398
N21.18802.2255
Na32.43982.2255

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 85.537 C1 Na3 N2 29.043
N2 C1 Na3 65.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-254.554769
Energy at 298.15K-254.553902
HF Energy-254.216934
Nuclear repulsion energy48.275745
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/Def2TZVPP
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 2051 1951 54.22      
2 Σ 399 380 75.22      
3 Π 41 39 4.02      
3 Π 41 39 4.02      

Unscaled Zero Point Vibrational Energy (zpe) 1265.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1204.2 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/Def2TZVPP
B
0.17324

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.878
N2 0.000 0.000 -0.699
Na3 0.000 0.000 1.469

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17903.3470
N21.17902.1680
Na33.34702.1680

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