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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-169.816834
Energy at 298.15K-169.820693
HF Energy-169.816834
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 BLYP/6-311G*
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' 3632 3623 42.77      
2 A' 3138 3130 9.82      
3 A' 3010 3003 12.25      
4 A' 1637 1633 2.87      
5 A' 1421 1417 20.01      
6 A' 1324 1321 81.28      
7 A' 1150 1147 9.03      
8 A' 844 842 118.91      
9 A' 516 515 6.41      
10 A" 905 903 34.95      
11 A" 772 770 12.31      
12 A" 437 435 140.05      

Unscaled Zero Point Vibrational Energy (zpe) 9392.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9368.6 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 BLYP/6-311G*
ABC
2.23590 0.38534 0.32869

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.151 -0.016 0.000
N2 0.000 0.547 0.000
O3 -1.045 -0.426 0.000
H4 1.288 -1.105 0.000
H5 2.015 0.650 0.000
H6 -1.845 0.132 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28122.23421.09701.09092.9996
N21.28121.42822.09432.01731.8911
O32.23421.42822.42993.24380.9752
H41.09702.09432.42991.89933.3681
H51.09092.01733.24381.89933.8943
H62.99961.89110.97523.36813.8943

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.980 N2 C1 H4 123.247
N2 C1 H5 116.282 N2 O3 H6 102.141
H4 C1 H5 120.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 N -0.071      
3 O -0.452      
4 H 0.184      
5 H 0.207      
6 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.088 0.065 0.000 0.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.762 -1.327 0.000
y -1.327 -19.470 0.000
z 0.000 0.000 -19.111
Traceless
 xyz
x 7.528 -1.327 0.000
y -1.327 -4.033 0.000
z 0.000 0.000 -3.495
Polar
3z2-r2-6.990
x2-y27.708
xy-1.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.632 -0.136 0.000
y -0.136 3.136 0.000
z 0.000 0.000 1.745


<r2> (average value of r2) Å2
<r2> 41.501
(<r2>)1/2 6.442