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 CH2NOH (formaldoxime)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-169.829407
Energy at 298.15K-169.833321
HF Energy-169.829407
Nuclear repulsion energy 
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/6-31+G**
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' 3819 3682 95.53      
2 A' 3248 3131 3.75      
3 A' 3118 3006 5.34      
4 A' 1717 1656 6.35      
5 A' 1451 1399 11.56      
6 A' 1346 1298 92.10      
7 A' 1180 1137 10.18      
8 A' 921 888 132.02      
9 A' 534 515 6.51      
10 A" 978 943 40.40      
11 A" 795 767 7.34      
12 A" 427 411 151.97      

Unscaled Zero Point Vibrational Energy (zpe) 9766.3 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 9416.6 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 B3LYP/6-31+G**
ABC
2.29759 0.39275 0.33541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.142 -0.026 0.000
N2 0.000 0.538 0.000
O3 -1.037 -0.409 0.000
H4 1.267 -1.110 0.000
H5 2.006 0.631 0.000
H6 -1.835 0.137 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27402.21221.09081.08502.9819
N21.27401.40382.07882.00801.8784
O32.21221.40382.40833.21510.9674
H41.09082.07882.40831.89083.3438
H51.08502.00803.21511.89083.8725
H62.98191.87840.96743.34383.8725

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.316 N2 C1 H4 122.864
N2 C1 H5 116.454 N2 O3 H6 103.235
H4 C1 H5 120.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 N -0.154      
3 O -0.323      
4 H 0.150      
5 H 0.155      
6 H 0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.310 -0.078 0.000 0.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.792 -1.552 0.000
y -1.552 -19.878 0.000
z 0.000 0.000 -19.488
Traceless
 xyz
x 7.890 -1.552 0.000
y -1.552 -4.238 0.000
z 0.000 0.000 -3.653
Polar
3z2-r2-7.305
x2-y28.086
xy-1.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.733 -0.113 0.000
y -0.113 3.528 0.000
z 0.000 0.000 2.525


<r2> (average value of r2) Å2
<r2> 41.088
(<r2>)1/2 6.410