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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/6-31G(2df,p)

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 CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-169.529363
Energy at 298.15K-169.533344
HF Energy-168.921047
Nuclear repulsion energy70.701261
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 CCSD(T)/6-31G(2df,p)
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' 3888 3888        
2 A' 3554 3554        
3 A' 3084 3084        
4 A' 1765 1765        
5 A' 1434 1434        
6 A' 1355 1355        
7 A' 1212 1212        
8 A' 1074 1074        
9 A' 608 608        
10 A" 1041 1041        
11 A" 841 841        
12 A" 385 385        

Unscaled Zero Point Vibrational Energy (zpe) 10120.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10120.7 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 CCSD(T)/6-31G(2df,p)
ABC
2.61048 0.36954 0.32371

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.377 0.000
O2 -1.007 -0.530 0.000
N3 1.202 -0.024 0.000
H4 -0.334 1.421 0.000
H5 -1.842 -0.055 0.000
H6 1.821 0.784 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35501.26701.09631.89181.8657
O21.35502.26612.06370.95993.1181
N31.26702.26612.10873.04381.0179
H41.09632.06372.10872.11062.2466
H51.89180.95993.04382.11063.7575
H61.86573.11811.01792.24663.7575

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.411 C1 N3 H6 108.995
O2 C1 N3 119.560 O2 C1 H4 114.270
N3 C1 H4 126.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability