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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-208.828002
Energy at 298.15K 
HF Energy-207.967190
Nuclear repulsion energy119.465340
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(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
ABC
0.58727 0.21179 0.16028

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.448 0.479 0.000
C2 0.000 0.868 0.000
N3 1.025 0.097 0.000
O4 0.648 -1.271 0.000
H5 1.507 -1.706 0.000
H6 -1.570 -0.601 0.000
H7 -1.941 0.899 0.881
H8 -1.941 0.899 -0.881
H9 0.267 1.920 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49892.50252.73063.67541.08731.09341.09342.2397
C21.49891.28282.23452.98292.15022.13202.13201.0858
N32.50251.28281.41851.86642.68803.19693.19691.9748
O42.73062.23451.41850.96312.31783.49143.49143.2136
H53.67542.98291.86640.96313.27034.41094.41093.8327
H61.08732.15022.68802.31783.27031.77851.77853.1198
H71.09342.13203.19693.49144.41091.77851.76152.5876
H81.09342.13203.19693.49144.41091.77851.76152.5876
H92.23971.08581.97483.21363.83273.11982.58762.5876

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.044 C1 C2 H9 119.253
C2 C1 H6 111.504 C2 C1 H7 109.671
C2 C1 H8 109.671 C2 N3 O4 111.528
N3 C2 H9 112.703 N3 O4 H5 101.483
H6 C1 H7 109.288 H6 C1 H8 109.288
H7 C1 H8 107.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability