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

using model chemistry: CCD/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 yes CS 1A
1 3 no C*V 1Σ

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-252.868095
Energy at 298.15K-252.867648
HF Energy-252.662005
Nuclear repulsion energy46.564916
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 CCD/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 2155 2062 8.82      
2 Σ 397 380 48.71      
3 Π 162 155 25.15      
3 Π 162 155 25.15      

Unscaled Zero Point Vibrational Energy (zpe) 1437.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 1375.2 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 CCD/3-21G*
B
0.15584

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.669
N2 0.000 0.000 -1.852
Na3 0.000 0.000 1.544

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18312.2132
N21.18313.3962
Na32.21323.3962

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 CCD/3-21G*
 hartrees
Energy at 0K-252.872834
Energy at 298.15K-252.872578
HF Energy-252.669012
Nuclear repulsion energy51.542101
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 CCD/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' 443 424 49.60      
2 A' 144 137 14.77      
3 A' 2030 1942 15.77      

Unscaled Zero Point Vibrational Energy (zpe) 1308.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 1251.4 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 CCD/3-21G*
ABC
1.99994 0.27282 0.24007

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.156 0.706 0.000
N2 0.000 1.019 0.000
Na3 -0.631 -1.033 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19772.4934
N21.19772.1471
Na32.49342.1471

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 91.924 C1 Na3 N2 28.690
N2 C1 Na3 59.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-252.869231
Energy at 298.15K 
HF Energy-252.672370
Nuclear repulsion energy49.036572
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 CCD/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 2107 2016 70.58      
2 Σ 459 439 61.82      
3 Π 30i 29i 6.90      
3 Π 30i 29i 6.90      

Unscaled Zero Point Vibrational Energy (zpe) 1253.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 1198.5 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 CCD/3-21G*
B
0.18134

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.843
N2 0.000 0.000 -0.651
Na3 0.000 0.000 1.419

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19173.2622
N21.19172.0705
Na33.26222.0705

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