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: MP2=FULL/6-311+G(3df,2p)

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 MP2=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-169.644854
Energy at 298.15K-169.648878
HF Energy-168.972252
Nuclear repulsion energy71.013230
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=FULL/6-311+G(3df,2p)
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' 3890 3667 100.84      
2 A' 3585 3379 17.81      
3 A' 3114 2936 38.52      
4 A' 1744 1644 197.63      
5 A' 1421 1340 7.74      
6 A' 1334 1258 171.87      
7 A' 1190 1122 28.47      
8 A' 1066 1005 212.13      
9 A' 618 583 1.59      
10 A" 1038 979 1.70      
11 A" 841 793 65.97      
12 A" 425 400 68.37      

Unscaled Zero Point Vibrational Energy (zpe) 10132.7 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 9552.1 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 MP2=FULL/6-311+G(3df,2p)
ABC
2.63816 0.37299 0.32679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.376 0.000
O2 -1.003 -0.524 0.000
N3 1.195 -0.027 0.000
H4 -0.325 1.417 0.000
H5 -1.844 -0.062 0.000
H6 1.823 0.770 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34701.26151.09061.89541.8648
O21.34702.25342.05530.95973.1074
N31.26152.25342.09703.03971.0141
H41.09062.05532.09702.11992.2434
H51.89540.95973.03972.11993.7600
H61.86483.10741.01412.24343.7600

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.363 C1 N3 H6 109.590
O2 C1 N3 119.475 O2 C1 H4 114.542
N3 C1 H4 125.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability