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

using model chemistry: QCISD/aug-cc-pVDZ

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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-254.493609
Energy at 298.15K-254.492985
HF Energy-254.188459
Nuclear repulsion energy45.660842
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/aug-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 2145 2078 1.09      
2 Σ 351 340 63.66      
3 Π 120 116 12.66      
3 Π 120 116 12.66      

Unscaled Zero Point Vibrational Energy (zpe) 1367.8 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 1325.0 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/aug-cc-pVDZ
B
0.14769

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.706
N2 0.000 0.000 -1.892
Na3 0.000 0.000 1.589

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.18572.2958
N21.18573.4815
Na32.29583.4815

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/aug-cc-pVDZ
 hartrees
Energy at 0K-254.498101
Energy at 298.15K-254.497820
HF Energy-254.195690
Nuclear repulsion energy50.785554
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/aug-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' 2057 1992 24.88      
2 A' 371 359 67.01      
3 A' 167 162 11.12      

Unscaled Zero Point Vibrational Energy (zpe) 1297.3 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 1256.7 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 QCISD/aug-cc-pVDZ
ABC
1.87731 0.26471 0.23200

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.119 0.681 0.000
N2 0.000 1.103 0.000
Na3 -0.611 -1.073 0.000

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19602.4641
N21.19602.2602
Na32.46412.2602

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 85.042 C1 Na3 N2 28.917
N2 C1 Na3 66.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C*V)

Jump to S1C1 S1C2
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-254.495563
Energy at 298.15K-254.494779
HF Energy-254.195406
Nuclear repulsion energy47.926322
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/aug-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 2088 2023 95.29      
2 Σ 397 384 74.53      
3 Π 63 61 5.48      
3 Π 63 61 5.48      

Unscaled Zero Point Vibrational Energy (zpe) 1305.0 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 1264.1 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 QCISD/aug-cc-pVDZ
B
0.17079

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.884
N2 0.000 0.000 -0.690
Na3 0.000 0.000 1.467

Atom - Atom Distances (Å)
  C1 N2 Na3
C11.19393.3511
N21.19392.1572
Na33.35112.1572

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