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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-254.579115
Energy at 298.15K-254.578458
HF Energy-254.211410
Nuclear repulsion energy46.026125
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(T)/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 2131 2021        
2 Σ 355 337        
3 Π 109 104        
3 Π 109 104        

Unscaled Zero Point Vibrational Energy (zpe) 1352.2 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1282.7 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 QCISD(T)/cc-pVTZ
B
0.14993

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.702
N2 0.000 0.000 -1.877
Na3 0.000 0.000 1.578

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17532.2797
N21.17533.4550
Na32.27973.4550

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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-254.584535
Energy at 298.15K-254.584284
HF Energy-254.218788
Nuclear repulsion energy51.168031
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(T)/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' 374 354        
2 A' 185 176        
3 A' 2042 1937        

Unscaled Zero Point Vibrational Energy (zpe) 1300.2 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1233.4 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(T)/cc-pVTZ
ABC
1.88528 0.26938 0.23570

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.095 0.661 0.000
N2 0.000 1.115 0.000
Na3 -0.597 -1.070 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18572.4209
N21.18572.2646
Na32.42092.2646

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 82.793 C1 Na3 N2 29.073
N2 C1 Na3 68.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-254.579750
Energy at 298.15K 
HF Energy-254.217808
Nuclear repulsion energy48.219801
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(T)/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 2073 1967        
2 Σ 392 372        
3 Π 23i 22i        
3 Π 23i 22i        

Unscaled Zero Point Vibrational Energy (zpe) 1209.2 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 1147.0 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 QCISD(T)/cc-pVTZ
B
0.17266

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.873
N2 0.000 0.000 -0.688
Na3 0.000 0.000 1.459

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18423.3319
N21.18422.1478
Na33.33192.1478

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