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

using model chemistry: CCSD/cc-pVTZ

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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-254.559450
Energy at 298.15K-254.558805
HF Energy-254.212501
Nuclear repulsion energy46.194154
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/cc-pVTZ
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 2201 2072 2.48      
2 Σ 357 336 60.11      
3 Π 112 106 15.26      
3 Π 112 106 15.26      

Unscaled Zero Point Vibrational Energy (zpe) 1391.5 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 1309.7 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/cc-pVTZ
B
0.15064

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.704
N2 0.000 0.000 -1.871
Na3 0.000 0.000 1.574

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.16752.2781
N21.16753.4456
Na32.27813.4456

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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-254.564946
Energy at 298.15K-254.564693
HF Energy-254.219821
Nuclear repulsion energy51.321887
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/cc-pVTZ
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' 376 354 64.86      
2 A' 182 172 8.85      
3 A' 2113 1989 22.70      

Unscaled Zero Point Vibrational Energy (zpe) 1335.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 1257.0 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 CCSD/cc-pVTZ
ABC
1.91629 0.26944 0.23623

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.093 0.669 0.000
N2 0.000 1.108 0.000
Na3 -0.596 -1.070 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17772.4244
N21.17772.2582
Na32.42442.2582

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 83.431 C1 Na3 N2 28.854
N2 C1 Na3 67.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-254.560608
Energy at 298.15K 
HF Energy-254.218722
Nuclear repulsion energy48.411652
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/cc-pVTZ
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 2143 2017 93.51      
2 Σ 395 372 71.10      
3 Π 20i 19i 4.85      
3 Π 20i 19i 4.85      

Unscaled Zero Point Vibrational Energy (zpe) 1248.9 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 1175.5 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/cc-pVTZ
B
0.17368

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.865
N2 0.000 0.000 -0.689
Na3 0.000 0.000 1.456

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17643.3208
N21.17642.1444
Na33.32082.1444

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