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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: CCSD/TZVP

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-208.661570
Energy at 298.15K 
HF Energy-207.959290
Nuclear repulsion energy119.760603
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/TZVP
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' 3890 3712 74.04      
2 A' 3211 3064 12.63      
3 A' 3197 3052 1.76      
4 A' 3076 2935 14.80      
5 A' 1764 1683 6.58      
6 A' 1513 1444 13.04      
7 A' 1442 1376 10.08      
8 A' 1407 1342 28.65      
9 A' 1374 1312 48.48      
10 A' 1169 1115 8.11      
11 A' 954 911 100.06      
12 A' 923 881 7.94      
13 A' 682 651 11.98      
14 A' 324 309 1.53      
15 A" 3134 2991 15.59      
16 A" 1507 1438 9.38      
17 A" 1083 1033 2.06      
18 A" 871 831 10.91      
19 A" 475 454 31.13      
20 A" 378 360 105.82      
21 A" 71i 68i 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 16150.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 15413.9 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/TZVP
ABC
0.59414 0.21159 0.16068

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.450 0.480 0.000
C2 0.000 0.861 0.000
N3 1.020 0.095 0.000
O4 0.655 -1.267 0.000
H5 1.514 -1.697 0.000
H6 -1.580 -0.599 0.000
H7 -1.939 0.901 0.881
H8 -1.939 0.901 -0.881
H9 0.260 1.915 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49902.49922.73493.67731.08621.09251.09252.2322
C21.49901.27572.22682.97322.15162.13012.13011.0850
N32.49921.27571.40981.85932.69123.19063.19061.9718
O42.73492.22681.40980.96082.33323.49353.49353.2059
H53.67732.97321.85930.96083.28374.41034.41033.8235
H61.08622.15162.69122.33323.28371.77591.77593.1153
H71.09252.13013.19063.49354.41031.77591.76252.5769
H81.09252.13013.19063.49354.41031.77591.76252.5769
H92.23221.08501.97183.20593.82353.11532.57692.5769

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.323 C1 C2 H9 118.634
C2 C1 H6 111.674 C2 C1 H7 109.568
C2 C1 H8 109.568 C2 N3 O4 111.930
N3 C2 H9 113.043 N3 O4 H5 101.634
H6 C1 H7 109.198 H6 C1 H8 109.198
H7 C1 H8 107.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability