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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-208.602582
Energy at 298.15K-208.608468
HF Energy-207.901116
Nuclear repulsion energy118.916470
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 CCSD(T)=FULL/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' 3837 3696        
2 A' 3202 3084        
3 A' 3178 3061        
4 A' 3059 2947        
5 A' 1720 1657        
6 A' 1474 1420        
7 A' 1403 1352        
8 A' 1382 1331        
9 A' 1330 1281        
10 A' 1146 1103        
11 A' 930 896        
12 A' 908 875        
13 A' 663 639        
14 A' 318 306        
15 A" 3129 3014        
16 A" 1485 1430        
17 A" 1054 1015        
18 A" 853 822        
19 A" 485 467        
20 A" 375 361        
21 A" 20 20        

Unscaled Zero Point Vibrational Energy (zpe) 15974.8 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 15386.9 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.58435 0.20956 0.15890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.457 0.482 0.000
C2 0.000 0.869 0.000
N3 1.033 0.090 0.000
O4 0.652 -1.271 0.000
H5 1.518 -1.701 0.000
H6 -1.575 -0.611 0.000
H7 -1.958 0.903 0.891
H8 -1.958 0.903 -0.891
H9 0.267 1.936 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50752.52072.74193.68931.09921.10581.10582.2552
C21.50751.29412.23752.98482.16202.15132.15131.0995
N32.52071.29411.41371.85532.70133.22513.22511.9987
O42.74192.23751.41370.96682.32283.51143.51143.2301
H53.68932.98481.85530.96683.27954.43324.43323.8459
H61.09922.16202.70132.32283.27951.79811.79813.1435
H71.10582.15133.22513.51144.43321.79811.78242.6096
H81.10582.15133.22513.51144.43321.79811.78242.6096
H92.25521.09951.99873.23013.84593.14352.60962.6096

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.074 C1 C2 H9 118.947
C2 C1 H6 111.100 C2 C1 H7 109.864
C2 C1 H8 109.864 C2 N3 O4 111.362
N3 C2 H9 112.979 N3 O4 H5 100.724
H6 C1 H7 109.265 H6 C1 H8 109.265
H7 C1 H8 107.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability