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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B3PW91/cc-pVTZ

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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-209.136052
Energy at 298.15K-209.142106
Nuclear repulsion energy117.741304
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 B3PW91/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 3852 3704 92.12      
2 A 3139 3019 11.45      
3 A 3092 2974 15.01      
4 A 3032 2915 17.83      
5 A 1743 1676 0.85      
6 A 1475 1419 12.37      
7 A 1443 1387 9.30      
8 A 1394 1340 22.25      
9 A 1288 1239 52.55      
10 A 1153 1109 3.77      
11 A 1027 988 158.49      
12 A 915 880 10.47      
13 A 569 547 13.77      
14 A 325 313 3.34      
15 A 3085 2966 13.16      
16 A 1470 1414 8.54      
17 A 1076 1035 1.09      
18 A 915 880 9.28      
19 A 418 402 127.66      
20 A 290 279 0.37      
21 A 206 198 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 15953.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15340.7 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 B3PW91/cc-pVTZ
ABC
1.55958 0.14245 0.13375

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.290 1.301 0.000
C2 0.000 0.562 0.000
N3 0.008 -0.705 0.000
O4 1.306 -1.212 0.000
H5 1.161 -2.162 0.000
H6 -2.128 0.604 0.000
H7 -1.366 1.947 0.879
H8 -1.366 1.947 -0.879
H9 0.940 1.116 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48662.38903.61314.24241.08891.09341.09342.2383
C21.48661.26762.20332.96142.12792.13432.13431.0913
N32.38901.26761.39381.85812.50463.11343.11342.0463
O43.61312.20331.39380.96073.88434.22994.22992.3569
H54.24242.96141.85810.96074.29734.90324.90323.2855
H61.08892.12792.50463.88434.29731.77621.77623.1103
H71.09342.13433.11344.22994.90321.77621.75712.6042
H81.09342.13433.11344.22994.90321.77621.75712.6042
H92.23831.09132.04632.35693.28553.11032.60422.6042

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.116 C1 C2 H9 119.732
C2 C1 H6 110.476 C2 C1 H7 110.716
C2 C1 H8 110.716 C2 N3 O4 111.675
N3 C2 H9 120.152 N3 O4 H5 102.661
H6 C1 H7 108.954 H6 C1 H8 108.954
H7 C1 H8 106.931
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 C -0.023      
3 N -0.068      
4 O -0.243      
5 H 0.213      
6 H 0.101      
7 H 0.093      
8 H 0.093      
9 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.336 0.566 0.000 0.658
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.134 -2.093 0.000
y -2.093 -18.697 0.000
z 0.000 0.000 -25.010
Traceless
 xyz
x -3.280 -2.093 0.000
y -2.093 6.375 0.000
z 0.000 0.000 -3.095
Polar
3z2-r2-6.189
x2-y2-6.437
xy-2.093
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 91.150
(<r2>)1/2 9.547

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-209.135317
Energy at 298.15K-209.141295
HF Energy-209.135317
Nuclear repulsion energy120.202465
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 B3PW91/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' 3857 3709 92.92      
2 A' 3169 3048 7.20      
3 A' 3148 3027 5.55      
4 A' 3039 2923 11.63      
5 A' 1748 1680 7.92      
6 A' 1473 1416 18.81      
7 A' 1398 1345 23.41      
8 A' 1380 1327 29.38      
9 A' 1340 1289 38.69      
10 A' 1144 1100 10.09      
11 A' 950 914 151.16      
12 A' 920 885 0.15      
13 A' 678 652 12.58      
14 A' 309 297 1.34      
15 A" 3090 2971 10.66      
16 A" 1478 1421 9.24      
17 A" 1060 1019 0.58      
18 A" 866 833 14.48      
19 A" 512 493 36.98      
20 A" 401 386 78.30      
21 A" 35 34 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15998.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15384.3 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 B3PW91/cc-pVTZ
ABC
0.60730 0.21111 0.16131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.444 0.491 0.000
C2 0.000 0.856 0.000
N3 1.009 0.084 0.000
O4 0.659 -1.266 0.000
H5 1.517 -1.698 0.000
H6 -1.585 -0.586 0.000
H7 -1.938 0.916 0.878
H8 -1.938 0.916 -0.878
H9 0.273 1.908 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48952.48672.74043.68201.08631.09311.09312.2264
C21.48951.27052.22222.97042.14272.12872.12871.0866
N32.48671.27051.39501.85302.67913.18593.18591.9663
O42.74042.22221.39500.96032.34453.50393.50393.1972
H53.68202.97041.85300.96033.29474.42034.42033.8139
H61.08632.14272.67912.34453.29471.77511.77513.1100
H71.09312.12873.18593.50394.42031.77511.75512.5781
H81.09312.12873.18593.50394.42031.77511.75512.5781
H92.22641.08661.96633.19723.81393.11002.57812.5781

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.398 C1 C2 H9 118.766
C2 C1 H6 111.632 C2 C1 H7 110.073
C2 C1 H8 110.073 C2 N3 O4 112.874
N3 C2 H9 112.836 N3 O4 H5 102.179
H6 C1 H7 109.071 H6 C1 H8 109.071
H7 C1 H8 106.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 C -0.073      
3 N -0.071      
4 O -0.241      
5 H 0.212      
6 H 0.113      
7 H 0.099      
8 H 0.099      
9 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.720 0.163 0.000 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.890 -3.850 0.000
y -3.850 -21.088 0.000
z 0.000 0.000 -25.030
Traceless
 xyz
x 0.169 -3.850 0.000
y -3.850 2.871 0.000
z 0.000 0.000 -3.041
Polar
3z2-r2-6.081
x2-y2-1.801
xy-3.850
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.282 -1.185 0.000
y -1.185 6.343 0.000
z 0.000 0.000 3.821


<r2> (average value of r2) Å2
<r2> 78.684
(<r2>)1/2 8.870