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: B3PW91/6-31G**

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 B3PW91/6-31G**
 hartrees
Energy at 0K-255.052578
Energy at 298.15K-255.051968
HF Energy-255.052578
Nuclear repulsion energy46.570170
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 B3PW91/6-31G**
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 2240 2147 2.03      
2 Σ 362 347 54.84      
3 Π 123 118 17.27      
3 Π 123 118 17.27      

Unscaled Zero Point Vibrational Energy (zpe) 1423.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 1364.1 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 B3PW91/6-31G**
B
0.15464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.682
N2 0.000 0.000 -1.854
Na3 0.000 0.000 1.552

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17162.2339
N21.17163.4055
Na32.23393.4055

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 B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 N -0.466      
3 Na 0.574      


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 10.392 10.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.983 0.000 0.000
y 0.000 -16.983 0.000
z 0.000 0.000 -12.799
Traceless
 xyz
x -2.092 0.000 0.000
y 0.000 -2.092 0.000
z 0.000 0.000 4.184
Polar
3z2-r28.369
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 2.715 0.000 0.000
y 0.000 2.715 0.000
z 0.000 0.000 5.514


<r2> (average value of r2) Å2
<r2> 63.070
(<r2>)1/2 7.942

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-255.057689
Energy at 298.15K-255.057432
HF Energy-255.057689
Nuclear repulsion energy51.731921
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 B3PW91/6-31G**
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' 382 366 56.25      
2 A' 178 171 5.23      
3 A' 2133 2044 26.57      

Unscaled Zero Point Vibrational Energy (zpe) 1346.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 1290.6 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 B3PW91/6-31G**
ABC
1.89463 0.27867 0.24294

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.113 0.671 0.000
N2 0.000 1.074 0.000
Na3 -0.607 -1.050 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18392.4338
N21.18392.2086
Na32.43382.2086

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 86.095 C1 Na3 N2 29.034
N2 C1 Na3 64.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 N -0.448      
3 Na 0.505      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.481 -7.218 0.000 8.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.250 3.605 0.000
y 3.605 -13.979 0.000
z 0.000 0.000 -17.273
Traceless
 xyz
x -3.623 3.605 0.000
y 3.605 4.282 0.000
z 0.000 0.000 -0.659
Polar
3z2-r2-1.317
x2-y2-5.270
xy3.605
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.887 -0.105 0.000
y -0.105 3.538 0.000
z 0.000 0.000 2.829


<r2> (average value of r2) Å2
<r2> 44.504
(<r2>)1/2 6.671

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-255.051058
Energy at 298.15K 
HF Energy-255.051058
Nuclear repulsion energy48.778032
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 B3PW91/6-31G**
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 2163 2073 105.16      
2 Σ 411 394 61.43      
3 Π 65i 63i 7.63      
3 Π 65i 63i 7.63      

Unscaled Zero Point Vibrational Energy (zpe) 1221.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 1170.8 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 B3PW91/6-31G**
B
0.17788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.852
N2 0.000 0.000 -0.669
Na3 0.000 0.000 1.436

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18233.2875
N21.18232.1052
Na33.28752.1052

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 B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 N -0.524      
3 Na 0.656      


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 10.414 10.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.916 0.000 0.000
y 0.000 -16.916 0.000
z 0.000 0.000 -14.944
Traceless
 xyz
x -0.986 0.000 0.000
y 0.000 -0.986 0.000
z 0.000 0.000 1.972
Polar
3z2-r23.945
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 2.589 0.000 0.000
y 0.000 2.589 0.000
z 0.000 0.000 5.436


<r2> (average value of r2) Å2
<r2> 56.541
(<r2>)1/2 7.519