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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-208.655719
Energy at 298.15K 
HF Energy-207.916030
Nuclear repulsion energy118.503240
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)=FULL/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' 3806 3692        
2 A' 3175 3080        
3 A' 3162 3067        
4 A' 3034 2943        
5 A' 1701 1650        
6 A' 1464 1420        
7 A' 1386 1345        
8 A' 1366 1325        
9 A' 1322 1283        
10 A' 1135 1101        
11 A' 916 889        
12 A' 870 844        
13 A' 654 635        
14 A' 313 304        
15 A" 3098 3006        
16 A" 1469 1425        
17 A" 1044 1012        
18 A" 842 817        
19 A" 476 462        
20 A" 379 367        
21 A" 64i 62i        

Unscaled Zero Point Vibrational Energy (zpe) 15773.5 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 15301.9 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(T)=FULL/aug-cc-pVDZ
ABC
0.57680 0.20879 0.15789

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.458 0.483 0.000
C2 0.000 0.873 0.000
N3 1.037 0.097 0.000
O4 0.650 -1.280 0.000
H5 1.511 -1.720 0.000
H6 -1.583 -0.608 0.000
H7 -1.955 0.908 0.891
H8 -1.955 0.908 -0.891
H9 0.271 1.937 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50962.52492.74853.69781.09851.10481.10482.2594
C21.50961.29522.24923.00182.16822.14882.14881.0975
N32.52491.29521.43041.87842.71333.22543.22541.9924
O42.74852.24921.43040.96722.33213.51693.51693.2388
H53.69783.00181.87840.96723.28824.44054.44053.8614
H61.09852.16822.71332.33213.28821.79741.79743.1489
H71.10482.14883.22543.51694.44051.79741.78122.6095
H81.10482.14883.22543.51694.44051.79741.78122.6095
H92.25941.09751.99243.23883.86143.14892.60952.6095

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.209 C1 C2 H9 119.298
C2 C1 H6 111.501 C2 C1 H7 109.579
C2 C1 H8 109.579 C2 N3 O4 111.128
N3 C2 H9 112.493 N3 O4 H5 101.402
H6 C1 H7 109.328 H6 C1 H8 109.328
H7 C1 H8 107.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability