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 HOCHNH (hydroxymethylimine)

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H all up 1A'
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-169.751060
Energy at 298.15K-169.755026
HF Energy-169.751060
Nuclear repulsion energy70.445360
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 PBEPBEultrafine/Def2TZVPP
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' 3729 3729 57.49      
2 A' 3446 3446 7.91      
3 A' 2941 2941 68.14      
4 A' 1704 1704 187.36      
5 A' 1361 1361 11.85      
6 A' 1284 1284 154.20      
7 A' 1152 1152 31.70      
8 A' 1019 1019 219.42      
9 A' 600 600 1.86      
10 A" 989 989 2.08      
11 A" 798 798 66.58      
12 A" 420 420 56.33      

Unscaled Zero Point Vibrational Energy (zpe) 9721.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9721.1 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 PBEPBEultrafine/Def2TZVPP
ABC
2.59181 0.36744 0.32181

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.007 -0.538 0.000
N3 1.203 -0.017 0.000
H4 -0.348 1.428 0.000
H5 -1.856 -0.068 0.000
H6 1.838 0.785 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36131.26611.10521.90891.8824
O21.36132.26972.07290.97053.1372
N31.26612.26972.11953.05881.0233
H41.10522.07292.11952.12382.2787
H51.90890.97053.05882.12383.7911
H61.88243.13721.02332.27873.7911

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.732 C1 N3 H6 110.170
O2 C1 N3 119.459 O2 C1 H4 113.963
N3 C1 H4 126.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.030      
2 O -0.190      
3 N -0.239      
4 H 0.047      
5 H 0.197      
6 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.028 2.975 0.000 3.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.163 1.267 0.000
y 1.267 -18.181 0.000
z 0.000 0.000 -19.036
Traceless
 xyz
x 4.445 1.267 0.000
y 1.267 -1.582 0.000
z 0.000 0.000 -2.863
Polar
3z2-r2-5.727
x2-y24.018
xy1.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.570 0.000 0.000
y 0.000 3.674 0.000
z 0.000 0.000 2.501


<r2> (average value of r2) Å2
<r2> 41.706
(<r2>)1/2 6.458