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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-169.348155
Energy at 298.15K-169.352068
HF Energy-168.857388
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 MP2/cc-pVDZ
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' 3847 3664 101.35      
2 A' 3312 3155 3.35      
3 A' 3165 3015 3.10      
4 A' 1677 1597 3.46      
5 A' 1452 1383 14.88      
6 A' 1352 1288 74.77      
7 A' 1181 1125 10.49      
8 A' 943 898 97.88      
9 A' 530 504 5.82      
10 A" 954 909 33.80      
11 A" 806 767 5.55      
12 A" 418 398 129.08      

Unscaled Zero Point Vibrational Energy (zpe) 9817.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 9351.0 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 MP2/cc-pVDZ
ABC
2.23045 0.39590 0.33622

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.142 -0.052 0.000
N2 0.000 0.545 0.000
O3 -1.037 -0.392 0.000
H4 1.234 -1.146 0.000
H5 2.024 0.592 0.000
H6 -1.815 0.182 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28862.20491.09841.09222.9664
N21.28861.39762.09402.02441.8513
O32.20491.39762.39273.21490.9673
H41.09842.09402.39271.90973.3260
H51.09222.02443.21491.90973.8610
H62.96641.85130.96733.32603.8610

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.268 N2 C1 H4 122.420
N2 C1 H5 116.247 N2 O3 H6 101.481
H4 C1 H5 121.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability