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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B1B95/6-31G(2df,p)

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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-209.060333
Energy at 298.15K-209.066385
Nuclear repulsion energy117.915124
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 B1B95/6-31G(2df,p)
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 3868 3705 84.25      
2 A 3169 3035 9.97      
3 A 3115 2983 15.07      
4 A 3050 2921 17.72      
5 A 1764 1690 0.77      
6 A 1477 1415 9.39      
7 A 1448 1386 13.51      
8 A 1390 1331 19.46      
9 A 1289 1234 51.43      
10 A 1153 1104 4.39      
11 A 1054 1009 154.09      
12 A 918 879 4.27      
13 A 568 544 12.42      
14 A 318 305 3.21      
15 A 3113 2982 12.80      
16 A 1471 1409 7.02      
17 A 1074 1029 0.53      
18 A 916 877 7.20      
19 A 422 405 122.97      
20 A 291 278 0.64      
21 A 213 204 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 16040.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15361.7 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 B1B95/6-31G(2df,p)
ABC
1.55525 0.14309 0.13429

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.293 1.294 0.000
C2 0.000 0.561 0.000
N3 0.011 -0.708 0.000
O4 1.306 -1.202 0.000
H5 1.167 -2.151 0.000
H6 -2.125 0.590 0.000
H7 -1.375 1.940 0.879
H8 -1.375 1.940 -0.879
H9 0.939 1.118 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48652.38933.60404.23411.08961.09401.09402.2393
C21.48651.26932.19452.95332.12492.13622.13621.0916
N32.38931.26931.38661.84982.49893.11523.11522.0482
O43.60402.19451.38660.95973.87084.22304.22302.3487
H54.23412.95331.84980.95974.28404.89664.89663.2773
H61.08962.12492.49893.87084.28401.77741.77743.1089
H71.09402.13623.11524.22304.89661.77741.75812.6080
H81.09402.13623.11524.22304.89661.77741.75812.6080
H92.23931.09162.04822.34873.27733.10892.60802.6080

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.022 C1 C2 H9 119.812
C2 C1 H6 110.196 C2 C1 H7 110.838
C2 C1 H8 110.838 C2 N3 O4 111.357
N3 C2 H9 120.166 N3 O4 H5 102.537
H6 C1 H7 108.975 H6 C1 H8 108.975
H7 C1 H8 106.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.454      
2 C 0.075      
3 N -0.075      
4 O -0.411      
5 H 0.317      
6 H 0.151      
7 H 0.143      
8 H 0.143      
9 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.283 0.442 0.000 0.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.565 -2.078 0.000
y -2.078 -18.352 0.000
z 0.000 0.000 -24.534
Traceless
 xyz
x -3.122 -2.078 0.000
y -2.078 6.197 0.000
z 0.000 0.000 -3.075
Polar
3z2-r2-6.150
x2-y2-6.212
xy-2.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.331 -1.404 0.000
y -1.404 6.792 0.000
z 0.000 0.000 3.360


<r2> (average value of r2) Å2
<r2> 90.577
(<r2>)1/2 9.517

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-209.056833
Energy at 298.15K-209.062805
HF Energy-209.056833
Nuclear repulsion energy120.625091
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 B1B95/6-31G(2df,p)
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' 3892 3728 88.80      
2 A' 3210 3074 5.44      
3 A' 3184 3049 7.86      
4 A' 3069 2939 11.13      
5 A' 1780 1705 6.91      
6 A' 1477 1414 16.46      
7 A' 1404 1344 35.53      
8 A' 1386 1328 26.70      
9 A' 1349 1292 30.11      
10 A' 1147 1098 9.60      
11 A' 989 947 136.45      
12 A' 930 890 5.77      
13 A' 679 651 13.11      
14 A' 306 293 1.26      
15 A" 3130 2998 9.87      
16 A" 1484 1421 7.90      
17 A" 1061 1016 0.23      
18 A" 872 835 11.12      
19 A" 513 492 34.72      
20 A" 395 378 78.42      
21 A" 37 35 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 16146.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15463.1 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 B1B95/6-31G(2df,p)
ABC
0.60873 0.21351 0.16281

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.441 0.480 0.000
C2 0.000 0.857 0.000
N3 1.008 0.085 0.000
O4 0.656 -1.254 0.000
H5 1.510 -1.688 0.000
H6 -1.563 -0.599 0.000
H7 -1.940 0.897 0.878
H8 -1.940 0.897 -0.878
H9 0.267 1.909 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48912.48072.72103.66211.08631.09281.09282.2268
C21.48911.27002.21022.95962.13592.12982.12981.0859
N32.48071.27001.38381.84272.66033.18183.18181.9696
O42.72102.21021.38380.95822.31353.48423.48423.1869
H53.66212.95961.84270.95823.26024.40024.40023.8066
H61.08632.13592.66032.31353.26021.77581.77583.1049
H71.09282.12983.18183.48424.40021.77581.75562.5817
H81.09282.12983.18183.48424.40021.77581.75562.5817
H92.22681.08591.96963.18693.80663.10492.58172.5817

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.904 C1 C2 H9 118.882
C2 C1 H6 111.096 C2 C1 H7 110.215
C2 C1 H8 110.215 C2 N3 O4 112.712
N3 C2 H9 113.214 N3 O4 H5 102.251
H6 C1 H7 109.160 H6 C1 H8 109.160
H7 C1 H8 106.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.471      
2 C 0.058      
3 N -0.077      
4 O -0.421      
5 H 0.321      
6 H 0.169      
7 H 0.148      
8 H 0.148      
9 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.608 0.077 0.000 0.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.419 -3.750 0.000
y -3.750 -20.663 0.000
z 0.000 0.000 -24.542
Traceless
 xyz
x 0.184 -3.750 0.000
y -3.750 2.818 0.000
z 0.000 0.000 -3.002
Polar
3z2-r2-6.003
x2-y2-1.756
xy-3.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.750 -1.177 0.000
y -1.177 5.884 0.000
z 0.000 0.000 3.344


<r2> (average value of r2) Å2
<r2> 77.836
(<r2>)1/2 8.822