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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS trans 1A'
1 2 yes CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-208.767537
Energy at 298.15K 
HF Energy-207.969562
Nuclear repulsion energy118.587743
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 CCD/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-208.767697
Energy at 298.15K 
HF Energy-207.966331
Nuclear repulsion energy120.268588
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 CCD/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' 3922 3662 89.97      
2 A' 3208 2995 10.30      
3 A' 3195 2983 1.65      
4 A' 3073 2869 12.10      
5 A' 1790 1671 4.53      
6 A' 1506 1406 16.19      
7 A' 1434 1339 24.03      
8 A' 1414 1320 31.99      
9 A' 1371 1280 30.01      
10 A' 1167 1090 9.08      
11 A' 982 917 108.44      
12 A' 934 872 0.41      
13 A' 681 636 12.67      
14 A' 323 302 1.53      
15 A" 3132 2924 11.91      
16 A" 1513 1413 8.12      
17 A" 1089 1016 1.38      
18 A" 890 831 11.25      
19 A" 500 467 25.87      
20 A" 385 359 94.21      
21 A" 44i 41i 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 16231.3 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 15155.1 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 CCD/cc-pVTZ
ABC
0.60018 0.21313 0.16197

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.446 0.475 0.000
C2 0.000 0.859 0.000
N3 1.015 0.093 0.000
O4 0.657 -1.257 0.000
H5 1.510 -1.690 0.000
H6 -1.571 -0.602 0.000
H7 -1.939 0.893 0.878
H8 -1.939 0.893 -0.878
H9 0.261 1.910 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49622.49002.72413.66351.08401.09051.09052.2302
C21.49621.27162.21622.96262.14592.12912.12911.0828
N32.49001.27161.39681.84992.67763.18383.18381.9675
O42.72412.21621.39680.95662.32233.48323.48323.1922
H53.66352.96261.84990.95663.26764.39744.39743.8103
H61.08402.14592.67762.32233.26761.77221.77223.1094
H71.09052.12913.18383.48324.39741.77221.75602.5782
H81.09052.12913.18383.48324.39741.77221.75602.5782
H92.23021.08281.96753.19223.81033.10942.57822.5782

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.032 C1 C2 H9 118.835
C2 C1 H6 111.538 C2 C1 H7 109.799
C2 C1 H8 109.799 C2 N3 O4 112.221
N3 C2 H9 113.133 N3 O4 H5 102.013
H6 C1 H7 109.173 H6 C1 H8 109.173
H7 C1 H8 107.257
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability