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: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-169.881210
Energy at 298.15K-169.885135
HF Energy-169.881210
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/TZVP
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' 3782 3645 76.58      
2 A' 3227 3110 4.87      
3 A' 3098 2986 6.52      
4 A' 1700 1638 5.27      
5 A' 1458 1405 10.12      
6 A' 1347 1298 88.82      
7 A' 1179 1137 8.43      
8 A' 899 867 130.13      
9 A' 520 501 5.69      
10 A" 976 941 39.84      
11 A" 800 771 7.91      
12 A" 445 429 140.79      

Unscaled Zero Point Vibrational Energy (zpe) 9715.2 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 9362.5 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/TZVP
ABC
2.29532 0.39305 0.33558

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.141 -0.021 0.000
N2 0.000 0.538 0.000
O3 -1.036 -0.415 0.000
H4 1.276 -1.102 0.000
H5 1.997 0.641 0.000
H6 -1.828 0.141 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27042.21211.08901.08332.9728
N21.27041.40742.07792.00011.8703
O32.21211.40742.41243.21220.9669
H41.08902.07792.41241.88673.3433
H51.08332.00013.21221.88673.8577
H62.97281.87030.96693.34333.8577

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 111.293 N2 C1 H4 123.266
N2 C1 H5 116.147 N2 O3 H6 102.353
H4 C1 H5 120.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.166      
2 N -0.062      
3 O -0.300      
4 H 0.107      
5 H 0.132      
6 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.252 -0.068 0.000 0.261
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 5.653 -0.135 0.000
y -0.135 3.299 0.000
z 0.000 0.000 2.214


<r2> (average value of r2) Å2
<r2> 40.878
(<r2>)1/2 6.394