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: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-169.633249
Energy at 298.15K-169.637213
HF Energy-169.633249
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 PBE1PBE/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' 3837 3690 104.46      
2 A' 3268 3143 3.35      
3 A' 3125 3005 4.35      
4 A' 1748 1681 5.79      
5 A' 1437 1382 29.59      
6 A' 1362 1309 73.47      
7 A' 1182 1137 21.16      
8 A' 989 951 119.76      
9 A' 535 514 5.89      
10 A" 962 925 32.71      
11 A" 809 778 7.26      
12 A" 456 438 126.23      

Unscaled Zero Point Vibrational Energy (zpe) 9854.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 9475.3 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 PBE1PBE/cc-pVDZ
ABC
2.33515 0.40076 0.34205

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.133 -0.048 0.000
N2 0.000 0.529 0.000
O3 -1.030 -0.383 0.000
H4 1.245 -1.140 0.000
H5 2.010 0.602 0.000
H6 -1.813 0.183 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27152.18951.09801.09152.9551
N21.27151.37552.08192.01151.8453
O32.18951.37552.39803.19600.9654
H41.09802.08192.39801.90313.3315
H51.09152.01153.19601.90313.8457
H62.95511.84530.96543.33153.8457

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.552 N2 C1 H4 122.783
N2 C1 H5 116.492 N2 O3 H6 102.637
H4 C1 H5 120.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.021      
2 N -0.109      
3 O -0.184      
4 H 0.041      
5 H 0.060      
6 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.020 -0.021 0.000 0.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.733 -1.447 0.000
y -1.447 -18.844 0.000
z 0.000 0.000 -18.591
Traceless
 xyz
x 6.984 -1.447 0.000
y -1.447 -3.681 0.000
z 0.000 0.000 -3.303
Polar
3z2-r2-6.605
x2-y27.110
xy-1.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.219 -0.200 0.000
y -0.200 2.908 0.000
z 0.000 0.000 1.590


<r2> (average value of r2) Å2
<r2> 40.150
(<r2>)1/2 6.336