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All results from a given calculation for LiCN (lithium cyanide)

using model chemistry: B2PLYP=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V LiCN)

Jump to S1C2 S1C3
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.279437
Energy at 298.15K-100.278380
HF Energy-100.179287
Nuclear repulsion energy27.334224
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=FULL/cc-pVDZ
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 2158 2069 18.71      
2 Σ 617 592 111.51      
3 Π 135 130 46.95      
3 Π 135 130 46.95      

Unscaled Zero Point Vibrational Energy (zpe) 1522.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1459.7 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=FULL/cc-pVDZ
B
0.37080

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.087
C2 0.000 0.000 -0.154
N3 0.000 0.000 1.026

Atom - Atom Distances (Å)
  Li1 C2 N3
Li11.93383.1136
C21.93381.1797
N33.11361.1797

picture of lithium cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 180.000 Li1 N3 C2 0.000
C2 Li1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1 S1C3
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.285635
Energy at 298.15K-100.284844
HF Energy-100.187489
Nuclear repulsion energy28.900705
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=FULL/cc-pVDZ
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' 2047 1962 32.43      
2 A' 666 638 128.21      
3 A' 148 142 31.29      

Unscaled Zero Point Vibrational Energy (zpe) 1430.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1371.0 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=FULL/cc-pVDZ
ABC
2.12808 0.76051 0.56028

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 1.446 -0.587 0.000
C2 -0.723 -0.374 0.000
N3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.17881.8529
C22.17881.1904
N31.85291.1904

picture of lithium cyanide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 58.235 Li1 N3 C2 88.658
C2 Li1 N3 33.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V LiNC)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-100.284738
Energy at 298.15K-100.283431
HF Energy-100.188575
Nuclear repulsion energy28.050128
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=FULL/cc-pVDZ
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 2091 2004 137.64      
2 Σ 715 686 145.14      
3 Π 52 50 26.88      
3 Π 52 50 26.88      

Unscaled Zero Point Vibrational Energy (zpe) 1455.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1394.6 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 B2PLYP=FULL/cc-pVDZ
B
0.42720

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.902
C2 0.000 0.000 -1.081
N3 0.000 0.000 0.111

Atom - Atom Distances (Å)
  Li1 C2 N3
Li12.98291.7914
C22.98291.1915
N31.79141.1915

picture of lithium cyanide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 C2 N3 0.000 Li1 N3 C2 180.000
C2 Li1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability