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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-208.619943
Energy at 298.15K 
HF Energy-207.917441
Nuclear repulsion energy118.856050
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' 3841 3721 74.16      
2 A' 3190 3090 12.45      
3 A' 3174 3075 0.11      
4 A' 3047 2952 15.15      
5 A' 1742 1688 7.57      
6 A' 1474 1428 14.65      
7 A' 1403 1359 21.20      
8 A' 1384 1341 30.82      
9 A' 1342 1300 24.96      
10 A' 1148 1112 7.49      
11 A' 931 902 68.75      
12 A' 908 879 43.07      
13 A' 666 645 12.78      
14 A' 317 307 1.49      
15 A" 3110 3013 14.03      
16 A" 1478 1432 7.11      
17 A" 1060 1027 1.32      
18 A" 861 834 12.16      
19 A" 484 469 36.64      
20 A" 385 373 79.21      
21 A" 54i 53i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15945.5 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 15446.4 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
0.58278 0.20929 0.15862

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 -1.458 0.481 0.000
C2 0.000 0.869 0.000
N3 1.032 0.095 0.000
O4 0.655 -1.273 0.000
H5 1.513 -1.716 0.000
H6 -1.586 -0.610 0.000
H7 -1.954 0.906 0.890
H8 -1.954 0.906 -0.890
H9 0.268 1.932 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50902.51942.74623.69471.09791.10421.10422.2555
C21.50901.28942.24012.99482.16862.14742.14741.0966
N32.51941.28941.41951.87392.71113.21923.21921.9893
O42.74622.24011.41950.96522.33733.51413.51413.2288
H53.69472.99481.87390.96523.29044.43684.43683.8545
H61.09792.16862.71112.33733.29041.79611.79613.1465
H71.10422.14743.21923.51414.43681.79611.78032.6042
H81.10422.14743.21923.51414.43681.79611.78032.6042
H92.25551.09661.98933.22883.85453.14652.60422.6042

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.222 C1 C2 H9 119.062
C2 C1 H6 111.607 C2 C1 H7 109.546
C2 C1 H8 109.546 C2 N3 O4 111.480
N3 C2 H9 112.716 N3 O4 H5 101.902
H6 C1 H7 109.303 H6 C1 H8 109.303
H7 C1 H8 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability