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: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-169.683669
Energy at 298.15K-169.687560
HF Energy-169.683669
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 B3PW91/6-31G
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' 3685 3529 52.27      
2 A' 3291 3151 5.14      
3 A' 3164 3030 1.47      
4 A' 1703 1631 1.63      
5 A' 1474 1412 10.54      
6 A' 1341 1284 92.30      
7 A' 1187 1137 5.35      
8 A' 834 799 109.02      
9 A' 511 490 7.90      
10 A" 1013 970 57.66      
11 A" 797 763 4.11      
12 A" 439 421 196.55      

Unscaled Zero Point Vibrational Energy (zpe) 9719.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9308.1 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 B3PW91/6-31G
ABC
2.20825 0.38164 0.32540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.154 -0.002 0.000
N2 0.000 0.556 0.000
O3 -1.046 -0.443 0.000
H4 1.294 -1.081 0.000
H5 2.012 0.659 0.000
H6 -1.867 0.086 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28252.24371.08741.08323.0226
N21.28251.44632.08692.01451.9254
O32.24371.44632.42533.25010.9767
H41.08742.08692.42531.88243.3696
H51.08322.01453.25011.88243.9210
H63.02261.92540.97673.36963.9210

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.474 N2 C1 H4 123.217
N2 C1 H5 116.511 N2 O3 H6 103.539
H4 C1 H5 120.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 N -0.113      
3 O -0.517      
4 H 0.187      
5 H 0.193      
6 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.351 0.048 0.000 0.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.938 -1.425 0.000
y -1.425 -19.675 0.000
z 0.000 0.000 -18.816
Traceless
 xyz
x 8.308 -1.425 0.000
y -1.425 -4.798 0.000
z 0.000 0.000 -3.510
Polar
3z2-r2-7.020
x2-y28.738
xy-1.425
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.336 -0.072 0.000
y -0.072 2.782 0.000
z 0.000 0.000 1.180


<r2> (average value of r2) Å2
<r2> 41.587
(<r2>)1/2 6.449