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: CID/6-31G

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-254.309123
Energy at 298.15K-254.308639
HF Energy-254.116670
Nuclear repulsion energy46.147488
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 CID/6-31G
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 2195 2053 0.99      
2 Σ 374 349 56.55      
3 Π 157 147 19.69      
3 Π 157 147 19.69      

Unscaled Zero Point Vibrational Energy (zpe) 1441.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1348.1 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 CID/6-31G
B
0.15230

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.684
N2 0.000 0.000 -1.870
Na3 0.000 0.000 1.563

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18662.2464
N21.18663.4330
Na32.24643.4330

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 CID/6-31G
 hartrees
Energy at 0K-254.306461
Energy at 298.15K-254.306020
HF Energy-254.117965
Nuclear repulsion energy50.396623
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 CID/6-31G
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' 412 385 51.56      
2 A' 54 50 12.14      
3 A' 2088 1953 35.38      

Unscaled Zero Point Vibrational Energy (zpe) 1276.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1194.2 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 CID/6-31G
ABC
2.15132 0.24866 0.22290

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.184 0.818 0.000
N2 0.000 1.005 0.000
Na3 -0.646 -1.086 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19852.6400
N21.19852.1880
Na32.64002.1880

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 98.179 C1 Na3 N2 26.702
N2 C1 Na3 55.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-254.308687
Energy at 298.15K-254.308096
HF Energy-254.124538
Nuclear repulsion energy48.455815
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 CID/6-31G
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 2137 1998 86.06      
2 Σ 426 398 68.09      
3 Π 110 103 12.55      
3 Π 110 103 12.55      

Unscaled Zero Point Vibrational Energy (zpe) 1390.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1300.8 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 CID/6-31G
B
0.17605

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 -0.669
Na3 0.000 0.000 1.442

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19533.3066
N21.19532.1113
Na33.30662.1113

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