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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-208.571808
Energy at 298.15K-208.577704
HF Energy-207.902370
Nuclear repulsion energy119.226328
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/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' 3869 3665 84.36      
2 A' 3212 3042 7.29      
3 A' 3194 3026 7.72      
4 A' 3071 2910 15.98      
5 A' 1767 1674 5.60      
6 A' 1482 1404 16.52      
7 A' 1418 1343 23.56      
8 A' 1398 1324 30.48      
9 A' 1349 1278 24.76      
10 A' 1156 1095 7.89      
11 A' 954 904 106.70      
12 A' 929 880 1.80      
13 A' 673 637 12.43      
14 A' 320 303 1.34      
15 A" 3139 2973 14.74      
16 A" 1491 1413 8.04      
17 A" 1068 1012 0.95      
18 A" 870 824 10.19      
19 A" 491 465 29.29      
20 A" 375 355 91.88      
21 A" 9 8 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 16116.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 15267.3 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/cc-pVDZ
ABC
0.58956 0.20995 0.15950

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.457 0.479 0.000
C2 0.000 0.865 0.000
N3 1.028 0.090 0.000
O4 0.657 -1.265 0.000
H5 1.520 -1.697 0.000
H6 -1.579 -0.613 0.000
H7 -1.957 0.901 0.891
H8 -1.957 0.901 -0.891
H9 0.265 1.931 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50742.51532.74083.68771.09881.10531.10532.2527
C21.50741.28752.22962.97942.16332.15072.15071.0985
N32.51531.28751.40511.85382.70053.21923.21921.9931
O42.74082.22961.40510.96502.32973.51043.51043.2205
H53.68772.97941.85380.96503.28374.43154.43153.8394
H61.09882.16332.70052.32973.28371.79691.79693.1424
H71.10532.15073.21923.51044.43151.79691.78102.6063
H81.10532.15073.21923.51044.43151.79691.78102.6063
H92.25271.09851.99313.22053.83943.14242.60632.6063

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.132 C1 C2 H9 118.805
C2 C1 H6 111.241 C2 C1 H7 109.854
C2 C1 H8 109.854 C2 N3 O4 111.718
N3 C2 H9 113.063 N3 O4 H5 101.286
H6 C1 H7 109.227 H6 C1 H8 109.227
H7 C1 H8 107.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability