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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-168.871056
Energy at 298.15K-168.874870
HF Energy-168.871056
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 TPSSh/3-21G*
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' 3469 3350 19.10      
2 A' 3236 3125 8.50      
3 A' 3126 3019 2.03      
4 A' 1630 1574 2.43      
5 A' 1468 1418 5.25      
6 A' 1321 1275 86.41      
7 A' 1172 1131 6.39      
8 A' 875 845 72.24      
9 A' 489 472 8.57      
10 A" 981 948 61.80      
11 A" 789 762 4.47      
12 A" 378 365 150.92      

Unscaled Zero Point Vibrational Energy (zpe) 9466.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9141.7 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 TPSSh/3-21G*
ABC
2.07848 0.37691 0.31905

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.157 0.011 0.000
N2 0.000 0.579 0.000
O3 -1.048 -0.476 0.000
H4 1.296 -1.068 0.000
H5 2.022 0.665 0.000
H6 -1.869 0.095 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28862.25811.08741.08453.0273
N21.28861.48692.09522.02361.9311
O32.25811.48692.41783.27520.9996
H41.08742.09522.41781.87843.3719
H51.08452.02363.27521.87843.9328
H63.02731.93110.99963.37193.9328

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 108.685 N2 C1 H4 123.503
N2 C1 H5 116.758 N2 O3 H6 100.059
H4 C1 H5 119.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.165      
2 N -0.223      
3 O -0.435      
4 H 0.222      
5 H 0.230      
6 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.245 0.049 0.000 0.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.285 -0.022 0.000
y -0.022 2.596 0.000
z 0.000 0.000 0.964


<r2> (average value of r2) Å2
<r2> 42.008
(<r2>)1/2 6.481