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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-169.767161
Energy at 298.15K-169.771000
HF Energy-169.767161
Nuclear repulsion energy69.649198
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 BLYP/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' 3590 3561 40.08      
2 A' 3162 3136 9.05      
3 A' 3041 3017 8.08      
4 A' 1644 1631 2.43      
5 A' 1430 1419 12.65      
6 A' 1323 1313 79.45      
7 A' 1152 1143 9.81      
8 A' 855 848 109.90      
9 A' 512 508 5.92      
10 A" 907 900 31.40      
11 A" 771 765 9.53      
12 A" 427 423 120.37      

Unscaled Zero Point Vibrational Energy (zpe) 9407.2 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9331.0 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 BLYP/6-31G*
ABC
2.20622 0.38427 0.32727

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.153 -0.023 0.000
N2 0.000 0.550 0.000
O3 -1.048 -0.424 0.000
H4 1.290 -1.113 0.000
H5 2.023 0.639 0.000
H6 -1.845 0.150 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28742.23741.09871.09303.0025
N21.28741.43112.10472.02461.8875
O32.23741.43112.43763.24980.9819
H41.09872.10472.43761.89913.3796
H51.09302.02463.24981.89913.8981
H63.00251.88750.98193.37963.8981

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.665 N2 C1 H4 123.597
N2 C1 H5 116.299 N2 O3 H6 101.291
H4 C1 H5 120.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 N -0.113      
3 O -0.467      
4 H 0.140      
5 H 0.150      
6 H 0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.087 -0.004 0.000 0.087
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.725 -1.296 0.000
y -1.296 -18.971 0.000
z 0.000 0.000 -18.664
Traceless
 xyz
x 7.093 -1.296 0.000
y -1.296 -3.776 0.000
z 0.000 0.000 -3.316
Polar
3z2-r2-6.632
x2-y27.246
xy-1.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.459 -0.112 0.000
y -0.112 2.966 0.000
z 0.000 0.000 1.457


<r2> (average value of r2) Å2
<r2> 41.430
(<r2>)1/2 6.437