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

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-252.882487
Energy at 298.15K-252.882056
HF Energy-252.654909
Nuclear repulsion energy46.254445
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 MP4=FULL/3-21G
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 1981 1939        
2 Σ 391 383        
3 Π 168 164        
3 Π 168 164        

Unscaled Zero Point Vibrational Energy (zpe) 1353.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1324.8 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 MP4=FULL/3-21G
B
0.15454

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.665
N2 0.000 0.000 -1.864
Na3 0.000 0.000 1.549

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19872.2143
N21.19873.4130
Na32.21433.4130

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-252.885546
Energy at 298.15K-252.885220
HF Energy-252.658465
Nuclear repulsion energy50.948310
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 MP4=FULL/3-21G
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' 1815 1776        
2 A' 420 411        
3 A' 113 111        

Unscaled Zero Point Vibrational Energy (zpe) 1174.1 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1149.2 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 MP4=FULL/3-21G
ABC
1.92439 0.26847 0.23560

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 0.701 0.000
N2 0.000 1.035 0.000
Na3 -0.638 -1.041 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.21672.5108
N21.21672.1712
Na32.51082.1712

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 91.186 C1 Na3 N2 28.979
N2 C1 Na3 59.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-252.884787
Energy at 298.15K-252.884072
HF Energy-252.664576
Nuclear repulsion energy48.508998
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 MP4=FULL/3-21G
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 1900 1860        
2 Σ 445 435        
3 Π 70 69        
3 Π 70 69        

Unscaled Zero Point Vibrational Energy (zpe) 1242.7 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1216.4 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 MP4=FULL/3-21G
B
0.17792

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.863
N2 0.000 0.000 -0.653
Na3 0.000 0.000 1.432

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.20993.2954
N21.20992.0855
Na33.29542.0855

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