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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-208.809085
Energy at 298.15K 
HF Energy-207.964452
Nuclear repulsion energy119.625435
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)/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' 3854 3757        
2 A' 3181 3101        
3 A' 3167 3087        
4 A' 3046 2970        
5 A' 1718 1675        
6 A' 1486 1448        
7 A' 1410 1374        
8 A' 1383 1348        
9 A' 1338 1304        
10 A' 1148 1119        
11 A' 931 907        
12 A' 910 887        
13 A' 664 647        
14 A' 315 307        
15 A" 3105 3026        
16 A" 1495 1458        
17 A" 1063 1036        
18 A" 864 842        
19 A" 486 474        
20 A" 376 367        
21 A" 86i 84i        

Unscaled Zero Point Vibrational Energy (zpe) 15926.0 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 15524.7 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)/cc-pVTZ
ABC
0.59032 0.21194 0.16059

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.447 0.479 0.000
C2 0.000 0.866 0.000
N3 1.024 0.095 0.000
O4 0.650 -1.268 0.000
H5 1.509 -1.698 0.000
H6 -1.569 -0.600 0.000
H7 -1.942 0.897 0.880
H8 -1.942 0.897 -0.880
H9 0.263 1.918 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49822.50142.72983.67181.08601.09241.09242.2353
C21.49821.28212.23082.97492.14722.13202.13201.0850
N32.50141.28211.41351.85692.68493.19613.19611.9763
O42.72982.23081.41350.96092.31743.48983.48983.2101
H53.67182.97491.85690.96093.26854.40654.40653.8250
H61.08602.14722.68492.31743.26851.77601.77603.1142
H71.09242.13203.19613.48984.40651.77601.76022.5841
H81.09242.13203.19613.48984.40651.77601.76022.5841
H92.23531.08501.97633.21013.82503.11422.58412.5841

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.073 C1 C2 H9 118.972
C2 C1 H6 111.389 C2 C1 H7 109.776
C2 C1 H8 109.776 C2 N3 O4 111.610
N3 C2 H9 112.955 N3 O4 H5 101.186
H6 C1 H7 109.232 H6 C1 H8 109.232
H7 C1 H8 107.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability