return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-209.119728
Energy at 298.15K-209.125788
Nuclear repulsion energy118.149712
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/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 3885 3718 95.92      
2 A 3164 3028 11.50      
3 A 3117 2983 14.54      
4 A 3054 2923 17.56      
5 A 1768 1692 1.07      
6 A 1482 1418 11.75      
7 A 1449 1387 8.47      
8 A 1397 1337 22.84      
9 A 1294 1238 54.64      
10 A 1158 1108 3.57      
11 A 1041 996 159.14      
12 A 919 880 8.30      
13 A 570 546 13.41      
14 A 323 309 3.18      
15 A 3110 2976 13.46      
16 A 1476 1413 8.34      
17 A 1081 1035 1.25      
18 A 919 880 8.84      
19 A 413 395 128.35      
20 A 293 280 0.52      
21 A 206 198 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 16058.6 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 15369.7 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/cc-pVTZ
ABC
1.56749 0.14353 0.13474

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.288 1.295 0.000
C2 0.000 0.560 0.000
N3 0.007 -0.704 0.000
O4 1.302 -1.205 0.000
H5 1.164 -2.152 0.000
H6 -2.119 0.598 0.000
H7 -1.364 1.939 0.876
H8 -1.364 1.939 -0.876
H9 0.939 1.108 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48292.38143.59964.23021.08541.08991.08992.2346
C21.48291.26322.19292.95102.11982.12832.12831.0878
N32.38141.26321.38901.85392.49323.10313.10312.0376
O43.59962.19291.38900.95763.86774.21394.21392.3412
H54.23022.95101.85390.95764.28314.88814.88813.2681
H61.08542.11982.49323.86774.28311.77111.77113.1009
H71.08992.12833.10314.21394.88811.77111.75232.6001
H81.08992.12833.10314.21394.88811.77111.75232.6001
H92.23461.08782.03762.34123.26813.10092.60012.6001

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.061 C1 C2 H9 119.963
C2 C1 H6 110.291 C2 C1 H7 110.708
C2 C1 H8 110.708 C2 N3 O4 111.458
N3 C2 H9 119.977 N3 O4 H5 102.834
H6 C1 H7 109.019 H6 C1 H8 109.019
H7 C1 H8 107.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C -0.044      
3 N -0.061      
4 O -0.255      
5 H 0.225      
6 H 0.124      
7 H 0.117      
8 H 0.117      
9 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.340 0.556 0.000 0.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.146 -2.075 0.000
y -2.075 -18.726 0.000
z 0.000 0.000 -24.982
Traceless
 xyz
x -3.292 -2.075 0.000
y -2.075 6.339 0.000
z 0.000 0.000 -3.047
Polar
3z2-r2-6.093
x2-y2-6.421
xy-2.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.798 -1.384 0.000
y -1.384 7.195 0.000
z 0.000 0.000 3.800


<r2> (average value of r2) Å2
<r2> 90.592
(<r2>)1/2 9.518

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-209.119256
Energy at 298.15K-209.125242
HF Energy-209.119256
Nuclear repulsion energy120.723594
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/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' 3888 3721 97.60      
2 A' 3194 3057 6.73      
3 A' 3172 3035 6.47      
4 A' 3061 2930 11.79      
5 A' 1771 1695 8.30      
6 A' 1476 1413 17.74      
7 A' 1402 1342 26.06      
8 A' 1383 1324 28.94      
9 A' 1346 1288 38.28      
10 A' 1146 1097 9.45      
11 A' 966 925 146.55      
12 A' 928 888 3.17      
13 A' 678 649 12.76      
14 A' 304 291 1.37      
15 A" 3114 2981 10.97      
16 A" 1485 1421 9.03      
17 A" 1065 1019 0.70      
18 A" 872 835 13.51      
19 A" 512 490 36.42      
20 A" 403 385 80.30      
21 A" 37 36 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 16101.4 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 15410.6 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/cc-pVTZ
ABC
0.60800 0.21424 0.16315

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.437 0.480 0.000
C2 0.000 0.856 0.000
N3 1.007 0.088 0.000
O4 0.654 -1.256 0.000
H5 1.506 -1.692 0.000
H6 -1.564 -0.596 0.000
H7 -1.933 0.898 0.875
H8 -1.933 0.898 -0.875
H9 0.268 1.906 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48552.47502.71723.65751.08291.08971.08972.2227
C21.48551.26642.21062.95992.13412.12252.12251.0832
N32.47501.26641.38911.84862.66023.17273.17271.9621
O42.71722.21061.38910.95742.31393.47823.47823.1846
H53.65752.95991.84860.95743.25984.39364.39363.8046
H61.08292.13412.66022.31393.25981.77051.77053.1005
H71.08972.12253.17273.47824.39361.77051.75042.5741
H81.08972.12253.17273.47824.39361.77051.75042.5741
H92.22271.08321.96213.18463.80463.10052.57412.5741

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.977 C1 C2 H9 119.006
C2 C1 H6 111.413 C2 C1 H7 110.067
C2 C1 H8 110.067 C2 N3 O4 112.624
N3 C2 H9 113.018 N3 O4 H5 102.397
H6 C1 H7 109.154 H6 C1 H8 109.154
H7 C1 H8 106.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C -0.092      
3 N -0.066      
4 O -0.255      
5 H 0.224      
6 H 0.136      
7 H 0.123      
8 H 0.123      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.695 0.156 0.000 0.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.904 -3.826 0.000
y -3.826 -21.095 0.000
z 0.000 0.000 -25.003
Traceless
 xyz
x 0.145 -3.826 0.000
y -3.826 2.859 0.000
z 0.000 0.000 -3.004
Polar
3z2-r2-6.008
x2-y2-1.810
xy-3.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.209 -1.158 0.000
y -1.158 6.269 0.000
z 0.000 0.000 3.795


<r2> (average value of r2) Å2
<r2> 77.972
(<r2>)1/2 8.830