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

using model chemistry: CCSD=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 CCSD=FULL/aug-cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pCVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pCVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at CCSD=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-254.961291
Energy at 298.15K 
HF Energy-254.222746
Nuclear repulsion energy51.880529
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 CCSD=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' 2121 2121 23.90      
2 A' 382 382 68.26      
3 A' 186 186 9.60      

Unscaled Zero Point Vibrational Energy (zpe) 1344.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1344.4 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 CCSD=FULL/aug-cc-pCVTZ
ABC
1.92768 0.27832 0.24321

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.088 0.649 0.000
N2 0.000 1.092 0.000
Na3 -0.593 -1.049 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17452.3892
N21.17452.2220
Na32.38922.2220

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 83.306 C1 Na3 N2 29.224
N2 C1 Na3 67.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CCSD=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-254.958182
Energy at 298.15K 
HF Energy-254.222661
Nuclear repulsion energy48.830186
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 CCSD=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 2151 2151 101.08      
2 Σ 411 411 74.88      
3 Π 65 65 4.65      
3 Π 65 65 4.65      

Unscaled Zero Point Vibrational Energy (zpe) 1345.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1345.7 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 CCSD=FULL/aug-cc-pCVTZ
B
0.17745

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.849
N2 0.000 0.000 -0.676
Na3 0.000 0.000 1.439

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17333.2883
N21.17332.1150
Na33.28832.1150

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