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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B3LYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-209.142215
Energy at 298.15K-209.148231
Nuclear repulsion energy117.004345
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/6-31G**
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 3816 3666 64.78      
2 A 3148 3025 13.92      
3 A 3109 2987 14.06      
4 A 3038 2919 19.84      
5 A 1741 1673 1.14      
6 A 1496 1437 7.90      
7 A 1449 1393 8.91      
8 A 1409 1354 20.84      
9 A 1292 1241 58.61      
10 A 1155 1110 5.44      
11 A 1017 977 139.41      
12 A 915 879 15.73      
13 A 565 542 14.47      
14 A 324 312 2.91      
15 A 3091 2970 18.03      
16 A 1492 1434 7.80      
17 A 1082 1039 0.36      
18 A 915 879 9.00      
19 A 409 393 136.34      
20 A 285 273 1.72      
21 A 208 200 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 15977.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 15351.0 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/6-31G**
ABC
1.53228 0.14092 0.13222

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.297 1.308 0.000
C2 0.000 0.564 0.000
N3 0.002 -0.712 0.000
O4 1.318 -1.215 0.000
H5 1.172 -2.170 0.000
H6 -2.137 0.610 0.000
H7 -1.375 1.956 0.881
H8 -1.375 1.956 -0.881
H9 0.942 1.119 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49582.40233.63384.26591.09211.09661.09662.2477
C21.49581.27642.21362.97472.13742.14592.14591.0937
N32.40231.27641.40871.86942.51443.12943.12942.0590
O43.63382.21361.40870.96673.90704.25214.25212.3637
H54.26592.97471.86940.96674.32184.92844.92843.2973
H61.09212.13742.51443.90704.32181.78051.78053.1210
H71.09662.14593.12944.25214.92841.78051.76282.6165
H81.09662.14593.12944.25214.92841.78051.76282.6165
H92.24771.09372.05902.36373.29733.12102.61652.6165

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 119.925 C1 C2 H9 119.645
C2 C1 H6 110.393 C2 C1 H7 110.804
C2 C1 H8 110.804 C2 N3 O4 110.958
N3 C2 H9 120.430 N3 O4 H5 102.198
H6 C1 H7 108.882 H6 C1 H8 108.882
H7 C1 H8 106.982
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 C 0.147      
3 N -0.176      
4 O -0.425      
5 H 0.330      
6 H 0.134      
7 H 0.124      
8 H 0.124      
9 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.378 0.488 0.000 0.618
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.934 -2.124 0.000
y -2.124 -18.429 0.000
z 0.000 0.000 -24.749
Traceless
 xyz
x -3.345 -2.124 0.000
y -2.124 6.413 0.000
z 0.000 0.000 -3.068
Polar
3z2-r2-6.136
x2-y2-6.505
xy-2.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.119 -1.401 0.000
y -1.401 6.799 0.000
z 0.000 0.000 3.011


<r2> (average value of r2) Å2
<r2> 91.856
(<r2>)1/2 9.584

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-209.141597
Energy at 298.15K-209.147492
HF Energy-209.141597
Nuclear repulsion energy119.492529
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/6-31G**
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' 3822 3672 66.03      
2 A' 3181 3056 7.97      
3 A' 3158 3034 9.60      
4 A' 3046 2926 13.17      
5 A' 1747 1679 7.16      
6 A' 1492 1434 12.60      
7 A' 1416 1361 14.20      
8 A' 1381 1327 26.56      
9 A' 1347 1294 54.05      
10 A' 1149 1104 11.00      
11 A' 939 902 137.02      
12 A' 917 881 6.29      
13 A' 678 651 12.64      
14 A' 311 299 1.40      
15 A" 3096 2975 15.04      
16 A" 1501 1442 9.15      
17 A" 1067 1026 0.17      
18 A" 865 831 11.20      
19 A" 501 482 34.37      
20 A" 381 366 92.24      
21 A" 17 17 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 16005.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 15378.1 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 B3LYP/6-31G**
ABC
0.59562 0.20976 0.15973

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.451 0.488 0.000
C2 0.000 0.862 0.000
N3 1.020 0.090 0.000
O4 0.658 -1.272 0.000
H5 1.522 -1.705 0.000
H6 -1.582 -0.593 0.000
H7 -1.950 0.910 0.881
H8 -1.950 0.910 -0.881
H9 0.266 1.919 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49872.50262.74743.69461.08921.09631.09632.2355
C21.49871.27892.23382.98442.14992.14012.14011.0896
N32.50261.27891.40981.86402.69003.20383.20381.9777
O42.74742.23381.40980.96632.34093.51263.51263.2152
H53.69462.98441.86400.96633.29744.43464.43463.8350
H61.08922.14992.69002.34093.29741.78031.78033.1190
H71.09632.14013.20383.51264.43461.78031.76142.5896
H81.09632.14013.20383.51264.43461.78031.76142.5896
H92.23551.08961.97773.21523.83503.11902.58962.5896

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.404 C1 C2 H9 118.608
C2 C1 H6 111.365 C2 C1 H7 110.146
C2 C1 H8 110.146 C2 N3 O4 112.279
N3 C2 H9 112.988 N3 O4 H5 101.717
H6 C1 H7 109.088 H6 C1 H8 109.088
H7 C1 H8 106.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368      
2 C 0.115      
3 N -0.167      
4 O -0.430      
5 H 0.333      
6 H 0.153      
7 H 0.127      
8 H 0.127      
9 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.614 0.169 0.000 0.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.527 -3.812 0.000
y -3.812 -20.912 0.000
z 0.000 0.000 -24.767
Traceless
 xyz
x 0.312 -3.812 0.000
y -3.812 2.735 0.000
z 0.000 0.000 -3.048
Polar
3z2-r2-6.095
x2-y2-1.615
xy-3.812
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.612 -1.286 0.000
y -1.286 5.857 0.000
z 0.000 0.000 3.003


<r2> (average value of r2) Å2
<r2> 79.119
(<r2>)1/2 8.895