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

using model chemistry: QCISD/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
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-254.473632
Energy at 298.15K-254.472921
HF Energy-254.180327
Nuclear repulsion energy45.918478
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/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 2174 2085 3.20      
2 Σ 357 343 56.69      
3 Π 94 90 21.45      
3 Π 94 90 21.45      

Unscaled Zero Point Vibrational Energy (zpe) 1359.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1304.2 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/cc-pVDZ
B
0.14985

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.697
N2 0.000 0.000 -1.881
Na3 0.000 0.000 1.577

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18362.2742
N21.18363.4579
Na32.27423.4579

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/cc-pVDZ
 hartrees
Energy at 0K-254.481296
Energy at 298.15K-254.481024
HF Energy-254.189818
Nuclear repulsion energy51.070344
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/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' 2075 1990 22.33      
2 A' 378 363 57.43      
3 A' 169 162 9.29      

Unscaled Zero Point Vibrational Energy (zpe) 1310.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1257.6 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 QCISD/cc-pVDZ
ABC
1.87345 0.26974 0.23579

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.113 0.665 0.000
N2 0.000 1.099 0.000
Na3 -0.607 -1.062 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19512.4378
N21.19512.2454
Na32.43782.2454

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 84.360 C1 Na3 N2 29.200
N2 C1 Na3 66.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-254.476551
Energy at 298.15K 
HF Energy-254.188783
Nuclear repulsion energy48.181081
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/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 2104 2019 89.46      
2 Σ 410 394 67.95      
3 Π 59i 57i 5.75      
3 Π 59i 57i 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 1198.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1149.4 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/cc-pVDZ
B
0.17330

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.874
N2 0.000 0.000 -0.680
Na3 0.000 0.000 1.455

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19453.3295
N21.19452.1351
Na33.32952.1351

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