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

using model chemistry: QCISD(TQ)=FULL/aug-cc-pVDZ

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

Conformer 1 (C*V)

Jump to S1C2
Energy calculated at QCISD(TQ)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-254.516690
Energy at 298.15K-254.516111
HF Energy-254.187540
Nuclear repulsion energy46.030515
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 QCISD(TQ)=FULL/aug-cc-pVDZ
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 2109 2109        
2 Σ 363 363        
3 Π 129 129        
3 Π 129 129        

Unscaled Zero Point Vibrational Energy (zpe) 1365.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1365.4 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 QCISD(TQ)=FULL/aug-cc-pVDZ
B
0.15160

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.684
N2 0.000 0.000 -1.875
Na3 0.000 0.000 1.566

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19042.2508
N21.19043.4412
Na32.25083.4412

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
Energy calculated at QCISD(TQ)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-254.520103
Energy at 298.15K-254.519799
HF Energy-254.195026
Nuclear repulsion energy51.368119
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 QCISD(TQ)=FULL/aug-cc-pVDZ
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' 2031 2031        
2 A' 374 374        
3 A' 151 151        

Unscaled Zero Point Vibrational Energy (zpe) 1278.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1278.1 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 QCISD(TQ)=FULL/aug-cc-pVDZ
ABC
1.87452 0.27556 0.24025

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.654 0.000
N2 0.000 1.079 0.000
Na3 -0.612 -1.044 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19952.4265
N21.19952.2095
Na32.42652.2095

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 85.316 C1 Na3 N2 29.517
N2 C1 Na3 65.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability