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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-40.006602
Energy at 298.15K-40.012547
Nuclear repulsion energy64.940640
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 B1B95/CEP-31G
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 3765 3605 55.43      
2 A 3195 3060 27.44      
3 A 3146 3012 14.17      
4 A 3070 2939 23.94      
5 A 1692 1620 1.14      
6 A 1489 1426 15.80      
7 A 1438 1377 2.69      
8 A 1392 1333 37.11      
9 A 1252 1198 48.61      
10 A 1157 1108 10.01      
11 A 1008 966 117.80      
12 A 897 859 27.38      
13 A 542 519 18.09      
14 A 306 293 2.57      
15 A 3149 3015 33.16      
16 A 1489 1425 21.04      
17 A 1084 1038 1.27      
18 A 920 881 27.08      
19 A 430 411 209.02      
20 A 283 271 0.41      
21 A 182 174 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 15942.4 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 15264.9 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 B1B95/CEP-31G
ABC
1.47903 0.13617 0.12770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.308 1.341 0.000
C2 0.000 0.577 0.000
N3 -0.016 -0.726 0.000
O4 1.338 -1.244 0.000
H5 1.213 -2.215 0.000
H6 -2.156 0.642 0.000
H7 -1.378 1.990 0.889
H8 -1.378 1.990 -0.889
H9 0.955 1.120 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51452.43683.69834.35901.09891.10321.10322.2740
C21.51451.30272.25913.04442.15692.16442.16441.0988
N32.43681.30271.44961.93152.53943.16503.16502.0855
O43.69832.25911.44960.97973.96994.31484.31482.3939
H54.35903.04441.93150.97974.41765.01855.01853.3448
H61.09892.15692.53943.96994.41761.79271.79273.1478
H71.10322.16443.16504.31485.01851.79271.77872.6440
H81.10322.16443.16504.31485.01851.79271.77872.6440
H92.27401.09882.08552.39393.34483.14782.64402.6440

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 119.571 C1 C2 H9 120.118
C2 C1 H6 110.226 C2 C1 H7 110.563
C2 C1 H8 110.563 C2 N3 O4 110.217
N3 C2 H9 120.311 N3 O4 H5 103.635
H6 C1 H7 108.989 H6 C1 H8 108.989
H7 C1 H8 107.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.325      
2 C -0.417      
3 N 0.098      
4 O -0.419      
5 H 0.355      
6 H 0.172      
7 H 0.147      
8 H 0.147      
9 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.528 0.904 0.000 1.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.669 -2.380 0.000
y -2.380 -17.773 0.000
z 0.000 0.000 -24.918
Traceless
 xyz
x -4.324 -2.380 0.000
y -2.380 7.521 0.000
z 0.000 0.000 -3.198
Polar
3z2-r2-6.395
x2-y2-7.896
xy-2.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.916 -1.562 0.000
y -1.562 6.689 0.000
z 0.000 0.000 2.780


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000