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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-209.066384
Energy at 298.15K-209.072353
HF Energy-208.792247
Nuclear repulsion energy120.027727
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 B2PLYP=FULL/cc-pVTZ
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' 3851 3681 94.28      
2 A' 3190 3049 9.25      
3 A' 3175 3035 2.60      
4 A' 3063 2927 12.19      
5 A' 1728 1651 6.12      
6 A' 1496 1430 15.61      
7 A' 1418 1356 15.79      
8 A' 1386 1325 24.23      
9 A' 1347 1287 47.10      
10 A' 1155 1104 10.23      
11 A' 934 892 85.29      
12 A' 913 872 50.49      
13 A' 676 646 13.48      
14 A' 317 303 1.34      
15 A" 3110 2972 11.67      
16 A" 1506 1439 8.47      
17 A" 1077 1029 0.91      
18 A" 876 838 13.30      
19 A" 506 484 33.68      
20 A" 393 376 82.01      
21 A" 31 29 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 16072.9 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 15362.5 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 B2PLYP=FULL/cc-pVTZ
ABC
0.59898 0.21208 0.16126

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.443 0.485 0.000
C2 0.000 0.862 0.000
N3 1.014 0.091 0.000
O4 0.653 -1.269 0.000
H5 1.511 -1.699 0.000
H6 -1.572 -0.590 0.000
H7 -1.936 0.905 0.876
H8 -1.936 0.905 -0.876
H9 0.267 1.910 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49102.48842.73253.67371.08271.08951.08952.2258
C21.49101.27362.22802.97332.13922.12572.12571.0818
N32.48841.27361.40721.85812.67413.18373.18371.9659
O42.73252.22801.40720.96032.32563.49213.49213.2017
H53.67372.97331.85810.96033.27624.40824.40823.8173
H61.08272.13922.67412.32563.27621.77031.77033.1032
H71.08952.12573.18373.49214.40821.77031.75182.5757
H81.08952.12573.18373.49214.40821.77031.75182.5757
H92.22581.08181.96593.20173.81733.10322.57572.5757

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.169 C1 C2 H9 118.932
C2 C1 H6 111.458 C2 C1 H7 109.957
C2 C1 H8 109.957 C2 N3 O4 112.322
N3 C2 H9 112.899 N3 O4 H5 101.747
H6 C1 H7 109.170 H6 C1 H8 109.170
H7 C1 H8 107.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability