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

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

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

Conformer 1 (C*V)

Jump to S1C2 S1C3
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-254.507038
Energy at 298.15K-254.506466
HF Energy-254.204601
Nuclear repulsion energy46.184925
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 QCISD/TZVP
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 2188 2090 1.60      
2 Σ 356 340 61.65      
3 Π 134 128 20.43      
3 Π 134 128 20.43      

Unscaled Zero Point Vibrational Energy (zpe) 1406.1 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1343.2 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 QCISD/TZVP
B
0.15079

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.702
N2 0.000 0.000 -1.871
Na3 0.000 0.000 1.573

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.16962.2749
N21.16963.4445
Na32.27493.4445

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 QCISD/TZVP
 hartrees
Energy at 0K-254.508205
Energy at 298.15K-254.507910
HF Energy-254.207151
Nuclear repulsion energy51.269690
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 QCISD/TZVP
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' 2109 2015 20.75      
2 A' 367 350 64.69      
3 A' 162 155 9.46      

Unscaled Zero Point Vibrational Energy (zpe) 1318.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1260.0 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 QCISD/TZVP
ABC
1.92497 0.26827 0.23546

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.100 0.678 0.000
N2 0.000 1.100 0.000
Na3 -0.600 -1.070 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17852.4394
N21.17852.2520
Na32.43942.2520

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 84.486 C1 Na3 N2 28.744
N2 C1 Na3 66.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-254.508375
Energy at 298.15K-254.507685
HF Energy-254.211272
Nuclear repulsion energy48.324614
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 QCISD/TZVP
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 2134 2038 83.27      
2 Σ 396 378 72.81      
3 Π 89 85 9.40      
3 Π 89 85 9.40      

Unscaled Zero Point Vibrational Energy (zpe) 1353.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1292.9 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 QCISD/TZVP
B
0.17301

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.868
N2 0.000 0.000 -0.690
Na3 0.000 0.000 1.459

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.17813.3270
N21.17812.1490
Na33.32702.1490

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