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: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Vibrational Frequencies calculated at LSDA/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at LSDA/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-208.044694
Energy at 298.15K-208.050697
HF Energy-208.044694
Nuclear repulsion energy120.567150
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 LSDA/cc-pVDZ
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' 3698 3657 117.22      
2 A' 3111 3077 2.45      
3 A' 3093 3058 3.95      
4 A' 2977 2944 8.07      
5 A' 1716 1697 8.45      
6 A' 1379 1364 28.62      
7 A' 1324 1309 27.81      
8 A' 1297 1283 37.27      
9 A' 1263 1250 28.57      
10 A' 1116 1104 5.53      
11 A' 985 974 132.13      
12 A' 916 906 33.57      
13 A' 667 659 13.31      
14 A' 317 313 1.35      
15 A" 3047 3014 3.29      
16 A" 1384 1369 12.05      
17 A" 992 981 0.01      
18 A" 814 805 17.15      
19 A" 522 516 45.29      
20 A" 398 394 70.46      
21 A" 72 71 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 15543.2 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 15372.2 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 LSDA/cc-pVDZ
ABC
0.60138 0.21701 0.16443

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.424 0.473 0.000
C2 0.000 0.868 0.000
N3 1.011 0.079 0.000
O4 0.636 -1.246 0.000
H5 1.503 -1.697 0.000
H6 -1.511 -0.629 0.000
H7 -1.950 0.881 0.890
H8 -1.950 0.881 -0.890
H9 0.284 1.936 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.47802.46762.68393.64411.10611.11101.11102.2489
C21.47801.28262.20772.97272.12742.14342.14341.1050
N32.46761.28261.37751.84292.62063.19443.19441.9939
O42.68392.20771.37750.97692.23463.46483.46483.2013
H53.64412.97271.84290.97693.19794.40004.40003.8317
H61.10612.12742.62062.23463.19791.80711.80713.1311
H71.11102.14343.19443.46484.40001.80711.77982.6258
H81.11102.14343.19443.46484.40001.80711.77982.6258
H92.24891.10501.99393.20133.83173.13112.62582.6258

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.579 C1 C2 H9 120.380
C2 C1 H6 109.993 C2 C1 H7 110.968
C2 C1 H8 110.968 C2 N3 O4 112.135
N3 C2 H9 113.041 N3 O4 H5 101.674
H6 C1 H7 109.186 H6 C1 H8 109.186
H7 C1 H8 106.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 C -0.093      
3 N -0.089      
4 O -0.171      
5 H 0.188      
6 H 0.085      
7 H 0.090      
8 H 0.090      
9 H 0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.441 -0.195 0.000 0.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.682 -4.007 0.000
y -4.007 -20.808 0.000
z 0.000 0.000 -24.894
Traceless
 xyz
x 0.169 -4.007 0.000
y -4.007 2.980 0.000
z 0.000 0.000 -3.149
Polar
3z2-r2-6.299
x2-y2-1.874
xy-4.007
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.958 -1.225 0.000
y -1.225 6.064 0.000
z 0.000 0.000 3.203


<r2> (average value of r2) Å2
<r2> 77.529
(<r2>)1/2 8.805