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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

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

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-40.075915
Energy at 298.15K-40.081867
Nuclear repulsion energy64.746208
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 B3LYP/CEP-121G
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 3676 3583 44.03      
2 A 3117 3037 25.78      
3 A 3087 3008 8.44      
4 A 2991 2915 27.28      
5 A 1657 1614 3.18      
6 A 1503 1465 13.97      
7 A 1440 1403 4.66      
8 A 1394 1358 20.05      
9 A 1251 1219 55.39      
10 A 1149 1120 6.28      
11 A 981 956 87.20      
12 A 868 846 51.31      
13 A 539 525 19.39      
14 A 311 303 2.39      
15 A 3061 2983 29.09      
16 A 1503 1465 14.64      
17 A 1092 1064 1.24      
18 A 918 895 17.79      
19 A 391 382 188.82      
20 A 277 270 1.83      
21 A 197 192 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 15701.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 15301.2 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 B3LYP/CEP-121G
ABC
1.47409 0.13518 0.12677

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.299 1.349 0.000
C2 0.000 0.573 0.000
N3 -0.030 -0.729 0.000
O4 1.343 -1.262 0.000
H5 1.206 -2.233 0.000
H6 -2.153 0.664 0.000
H7 -1.361 1.997 0.886
H8 -1.361 1.997 -0.886
H9 0.957 1.105 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51332.43443.71494.37111.09431.09901.09902.2690
C21.51331.30172.27423.05412.15482.15962.15961.0948
N32.43441.30171.47331.94732.53903.15963.15962.0823
O43.71492.27421.47330.98023.99184.32644.32642.3988
H54.37113.05411.94730.98024.43615.02655.02653.3473
H61.09432.15482.53903.99184.43611.78521.78523.1407
H71.09902.15963.15964.32645.02651.78521.77122.6364
H81.09902.15963.15964.32645.02651.78521.77122.6364
H92.26901.09482.08232.39883.34733.14072.63642.6364

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 119.530 C1 C2 H9 120.061
C2 C1 H6 110.426 C2 C1 H7 110.519
C2 C1 H8 110.519 C2 N3 O4 109.922
N3 C2 H9 120.409 N3 O4 H5 103.222
H6 C1 H7 108.964 H6 C1 H8 108.964
H7 C1 H8 107.374
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506      
2 C -0.141      
3 N 0.100      
4 O -0.452      
5 H 0.346      
6 H 0.175      
7 H 0.166      
8 H 0.166      
9 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.660 0.866 0.000 1.089
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.256 -2.284 0.000
y -2.284 -18.399 0.000
z 0.000 0.000 -25.435
Traceless
 xyz
x -4.338 -2.284 0.000
y -2.284 7.446 0.000
z 0.000 0.000 -3.108
Polar
3z2-r2-6.216
x2-y2-7.856
xy-2.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.600 -1.519 0.000
y -1.519 7.512 0.000
z 0.000 0.000 3.400


<r2> (average value of r2) Å2
<r2> 79.878
(<r2>)1/2 8.937

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-40.075530
Energy at 298.15K-40.081450
HF Energy-40.075530
Nuclear repulsion energy66.223516
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 B3LYP/CEP-121G
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' 3683 3589 41.62      
2 A' 3151 3071 12.11      
3 A' 3127 3048 9.17      
4 A' 2997 2920 20.95      
5 A' 1666 1624 7.93      
6 A' 1499 1461 17.91      
7 A' 1430 1393 20.11      
8 A' 1352 1317 0.89      
9 A' 1300 1267 72.31      
10 A' 1141 1112 13.72      
11 A' 920 897 40.04      
12 A' 851 829 91.90      
13 A' 652 636 16.02      
14 A' 300 293 2.26      
15 A" 3061 2983 26.73      
16 A" 1513 1475 16.89      
17 A" 1082 1054 0.90      
18 A" 864 842 17.34      
19 A" 483 471 54.80      
20 A" 387 377 123.98      
21 A" 45 44 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 15752.2 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 15350.5 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 B3LYP/CEP-121G
ABC
0.56189 0.20376 0.15383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.465 0.502 0.000
C2 0.000 0.888 0.000
N3 1.044 0.106 0.000
O4 0.651 -1.315 0.000
H5 1.515 -1.776 0.000
H6 -1.586 -0.582 0.000
H7 -1.964 0.923 0.884
H8 -1.964 0.923 -0.884
H9 0.272 1.945 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51502.54062.78913.75141.09091.09911.09912.2580
C21.51501.30492.29683.06492.16252.15432.15431.0916
N32.54061.30491.47371.93992.71883.24053.24051.9953
O42.78912.29681.47370.97962.35413.55353.55353.2818
H53.75143.06491.93990.97963.32324.49134.49133.9237
H61.09092.16252.71882.35413.32321.78581.78583.1365
H71.09912.15433.24053.55354.49131.78581.76892.6128
H81.09912.15433.24053.55354.49131.78581.76892.6128
H92.25801.09161.99533.28183.92373.13652.61282.6128

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.412 C1 C2 H9 119.164
C2 C1 H6 111.118 C2 C1 H7 109.976
C2 C1 H8 109.976 C2 N3 O4 111.358
N3 C2 H9 112.424 N3 O4 H5 102.640
H6 C1 H7 109.263 H6 C1 H8 109.263
H7 C1 H8 107.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.540      
2 C -0.164      
3 N 0.113      
4 O -0.471      
5 H 0.351      
6 H 0.212      
7 H 0.166      
8 H 0.166      
9 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.790 0.535 0.000 0.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.256 -4.336 0.000
y -4.336 -21.298 0.000
z 0.000 0.000 -25.486
Traceless
 xyz
x 0.136 -4.336 0.000
y -4.336 3.073 0.000
z 0.000 0.000 -3.209
Polar
3z2-r2-6.418
x2-y2-1.958
xy-4.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.015 -1.425 0.000
y -1.425 6.540 0.000
z 0.000 0.000 3.410


<r2> (average value of r2) Å2
<r2> 68.898
(<r2>)1/2 8.301