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

using model chemistry: CISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C*V 1Σ
1 2 no CS 1A
1 3 yes C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-252.851303
Energy at 298.15K-252.850895
HF Energy-252.658030
Nuclear repulsion energy46.605770
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 CISD/3-21G
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 2203 2073 3.81      
2 Σ 395 372 49.23      
3 Π 174 163 24.16      
3 Π 174 163 24.16      

Unscaled Zero Point Vibrational Energy (zpe) 1472.5 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1386.1 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 CISD/3-21G
B
0.15572

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.673
N2 0.000 0.000 -1.851
Na3 0.000 0.000 1.545

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17842.2179
N21.17843.3963
Na32.21793.3963

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 CISD/3-21G
 hartrees
Energy at 0K-252.853076
Energy at 298.15K-252.852676
HF Energy-252.663258
Nuclear repulsion energy50.828088
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 CISD/3-21G
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' 457 430 42.48      
2 A' 54 51 15.12      
3 A' 2078 1956 29.45      

Unscaled Zero Point Vibrational Energy (zpe) 1294.7 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1218.7 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 CISD/3-21G
ABC
2.37158 0.24857 0.22499

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.189 0.863 0.000
N2 0.000 0.953 0.000
Na3 -0.649 -1.077 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19252.6720
N21.19252.1313
Na32.67202.1313

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 103.369 C1 Na3 N2 25.734
N2 C1 Na3 50.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-252.853712
Energy at 298.15K-252.853036
HF Energy-252.667553
Nuclear repulsion energy48.949147
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 CISD/3-21G
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 2139 2013 74.53      
2 Σ 453 427 61.00      
3 Π 79 74 9.02      
3 Π 79 74 9.02      

Unscaled Zero Point Vibrational Energy (zpe) 1374.5 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1293.9 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 CISD/3-21G
B
0.18010

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.846
N2 0.000 0.000 -0.658
Na3 0.000 0.000 1.425

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18773.2710
N21.18772.0832
Na33.27102.0832

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