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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-254.467662
Energy at 298.15K-254.466934
HF Energy-254.178140
Nuclear repulsion energy45.706173
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 MP2/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 2037 1940 15.85      
2 Σ 358 341 56.15      
3 Π 89 85 22.77      
3 Π 89 85 22.77      

Unscaled Zero Point Vibrational Energy (zpe) 1286.4 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 1225.3 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 MP2/cc-pVDZ
B
0.14918

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.693
N2 0.000 0.000 -1.888
Na3 0.000 0.000 1.580

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19592.2721
N21.19593.4680
Na32.27213.4680

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 MP2/cc-pVDZ
 hartrees
Energy at 0K-254.474113
Energy at 298.15K-254.473858
HF Energy-254.187915
Nuclear repulsion energy50.934577
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 MP2/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' 1968 1875 6.61      
2 A' 369 351 62.21      
3 A' 187 178 6.47      

Unscaled Zero Point Vibrational Energy (zpe) 1262.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 1202.1 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 MP2/cc-pVDZ
ABC
1.81347 0.27182 0.23639

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.099 0.633 0.000
N2 0.000 1.128 0.000
Na3 -0.599 -1.063 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20512.3999
N21.20512.2714
Na32.39992.2714

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 81.050 C1 Na3 N2 29.738
N2 C1 Na3 69.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-254.467697
Energy at 298.15K 
HF Energy-254.187633
Nuclear repulsion energy47.964191
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 MP2/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 2029 1932 52.77      
2 Σ 405 386 67.97      
3 Π 59i 57i 4.28      
3 Π 59i 57i 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 1157.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 1102.6 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 MP2/cc-pVDZ
B
0.17197

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.883
N2 0.000 0.000 -0.681
Na3 0.000 0.000 1.460

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20223.3434
N21.20222.1412
Na33.34342.1412

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