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: CCD/aug-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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-169.406716
Energy at 298.15K-169.410634
HF Energy-168.872892
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 CCD/aug-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' 3867 3730 78.72      
2 A' 3277 3161 3.43      
3 A' 3142 3031 4.05      
4 A' 1727 1666 2.61      
5 A' 1466 1414 18.92      
6 A' 1373 1325 69.01      
7 A' 1189 1147 9.58      
8 A' 939 905 94.81      
9 A' 538 519 6.44      
10 A" 985 950 33.83      
11 A" 794 766 4.30      
12 A" 407 393 129.37      

Unscaled Zero Point Vibrational Energy (zpe) 9851.9 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 9502.2 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 CCD/aug-cc-pVDZ
ABC
2.23843 0.39451 0.33540

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.141 -0.037 0.000
N2 0.000 0.547 0.000
O3 -1.035 -0.404 0.000
H4 1.242 -1.130 0.000
H5 2.020 0.611 0.000
H6 -1.830 0.141 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.28242.20691.09771.09212.9771
N21.28241.40542.08732.02101.8750
O32.20691.40542.39003.21920.9639
H41.09772.08732.39001.90773.3249
H51.09212.02103.21921.90773.8791
H62.97711.87500.96393.32493.8791

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.304 N2 C1 H4 122.373
N2 C1 H5 116.445 N2 O3 H6 103.032
H4 C1 H5 121.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability