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

using model chemistry: MP2=FULL/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Vibrational Frequencies calculated at MP2=FULL/aug-cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pCVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pCVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at MP2=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-254.954338
Energy at 298.15K 
HF Energy-254.220929
Nuclear repulsion energy51.672930
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/aug-cc-pCVTZ
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' 1988 1988 8.51      
2 A' 374 374 71.58      
3 A' 199 199 7.49      

Unscaled Zero Point Vibrational Energy (zpe) 1280.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1280.6 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/aug-cc-pCVTZ
ABC
1.86723 0.27962 0.24320

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.081 0.624 0.000
N2 0.000 1.114 0.000
Na3 -0.590 -1.049 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18722.3642
N21.18722.2413
Na32.36422.2413

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 80.882 C1 Na3 N2 29.724
N2 C1 Na3 69.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-254.949693
Energy at 298.15K 
HF Energy-254.221487
Nuclear repulsion energy48.555696
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/aug-cc-pCVTZ
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 2045 2045 60.62      
2 Σ 404 404 74.37      
3 Π 58 58 3.59      
3 Π 58 58 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 1282.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1282.6 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/aug-cc-pCVTZ
B
0.17587

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.860
N2 0.000 0.000 -0.676
Na3 0.000 0.000 1.445

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18393.3046
N21.18392.1207
Na33.30462.1207

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