return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-254.450519
Energy at 298.15K-254.449880
HF Energy-254.161345
Nuclear repulsion energy46.195445
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2232 2092 3.14      
2 Σ 362 339 57.49      
3 Π 114 107 17.95      
3 Π 114 107 17.95      

Unscaled Zero Point Vibrational Energy (zpe) 1410.8 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 1322.8 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/6-31G**
B
0.15160

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.694
N2 0.000 0.000 -1.870
Na3 0.000 0.000 1.568

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17592.2617
N21.17593.4376
Na32.26173.4376

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/6-31G**
 hartrees
Energy at 0K-254.457240
Energy at 298.15K-254.456995
HF Energy-254.168962
Nuclear repulsion energy51.350186
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 2138 2005 19.12      
2 A' 385 361 61.75      
3 A' 184 173 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 1353.9 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 1269.4 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/6-31G**
ABC
1.87732 0.27328 0.23855

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.092 0.647 0.000
N2 0.000 1.112 0.000
Na3 -0.596 -1.061 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18712.4014
N21.18712.2532
Na32.40142.2532

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 82.273 C1 Na3 N2 29.330
N2 C1 Na3 68.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-254.449185
Energy at 298.15K 
HF Energy-254.165997
Nuclear repulsion energy48.438385
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2181 2045 85.47      
2 Σ 413 387 68.81      
3 Π 64i 60i 8.03      
3 Π 64i 60i 8.03      

Unscaled Zero Point Vibrational Energy (zpe) 1233.5 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 1156.5 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/6-31G**
B
0.17481

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.864
N2 0.000 0.000 -0.680
Na3 0.000 0.000 1.449

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18473.3138
N21.18472.1291
Na33.31382.1291

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