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: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-254.925963
Energy at 298.15K-254.925327
HF Energy-254.826592
Nuclear repulsion energy46.424349
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 B2PLYP/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 2162 2162 6.97      
2 Σ 367 367 53.98      
3 Π 114 114 16.94      
3 Π 114 114 16.94      

Unscaled Zero Point Vibrational Energy (zpe) 1377.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1377.9 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 B2PLYP/6-31G**
B
0.15406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.680
N2 0.000 0.000 -1.859
Na3 0.000 0.000 1.554

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17872.2344
N21.17873.4131
Na32.23443.4131

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
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.105      
2 N -0.432      
3 Na 0.537      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 10.336 10.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.127 0.000 0.000
y 0.000 -17.127 0.000
z 0.000 0.000 -12.923
Traceless
 xyz
x -2.102 0.000 0.000
y 0.000 -2.102 0.000
z 0.000 0.000 4.204
Polar
3z2-r28.409
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.714 0.000 0.000
y 0.000 2.714 0.000
z 0.000 0.000 5.519


<r2> (average value of r2) Å2
<r2> 63.358
(<r2>)1/2 7.960

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-254.931892
Energy at 298.15K-254.931657
HF Energy-254.833292
Nuclear repulsion energy51.661988
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 B2PLYP/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' 2067 2067 18.51      
2 A' 387 387 56.69      
3 A' 189 189 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 1321.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1321.7 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 B2PLYP/6-31G**
ABC
1.86467 0.27996 0.24341

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.089 0.626 0.000
N2 0.000 1.106 0.000
Na3 -0.594 -1.045 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18992.3713
N21.18992.2320
Na32.37132.2320

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 81.617 C1 Na3 N2 29.764
N2 C1 Na3 68.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 N -0.428      
3 Na 0.478      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.465 -7.122 0.000 8.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.419 3.695 0.000
y 3.695 -14.169 0.000
z 0.000 0.000 -17.456
Traceless
 xyz
x -3.606 3.695 0.000
y 3.695 4.268 0.000
z 0.000 0.000 -0.662
Polar
3z2-r2-1.324
x2-y2-5.250
xy3.695
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.856 -0.114 0.000
y -0.114 3.557 0.000
z 0.000 0.000 2.833


<r2> (average value of r2) Å2
<r2> 44.552
(<r2>)1/2 6.675

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-254.923969
Energy at 298.15K 
HF Energy-254.827793
Nuclear repulsion energy48.655552
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 B2PLYP/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 2109 2109 89.07      
2 Σ 418 418 61.27      
3 Π 73i 73i 7.11      
3 Π 73i 73i 7.11      

Unscaled Zero Point Vibrational Energy (zpe) 1191.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1191.2 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 B2PLYP/6-31G**
B
0.17725

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.856
N2 0.000 0.000 -0.668
Na3 0.000 0.000 1.438

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18793.2943
N21.18792.1064
Na33.29432.1064

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
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 N -0.504      
3 Na 0.630      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 10.409 10.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.068 0.000 0.000
y 0.000 -17.068 0.000
z 0.000 0.000 -15.151
Traceless
 xyz
x -0.959 0.000 0.000
y 0.000 -0.959 0.000
z 0.000 0.000 1.917
Polar
3z2-r23.834
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.573 0.000 0.000
y 0.000 2.573 0.000
z 0.000 0.000 5.369


<r2> (average value of r2) Å2
<r2> 56.811
(<r2>)1/2 7.537