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: B2PLYP=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS H all up 1A'
1 3 yes CS CH up 1A'

Conformer 1 (CS H all up)

Jump to S1C2 S1C3
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.831661
Energy at 298.15K-169.835676
HF Energy-169.615292
Nuclear repulsion energy70.913631
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 B2PLYP=FULL/aug-cc-pVTZ
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' 3846 3690 83.95      
2 A' 3550 3406 13.81      
3 A' 3074 2950 46.28      
4 A' 1741 1670 210.60      
5 A' 1416 1359 12.86      
6 A' 1329 1275 168.74      
7 A' 1192 1143 38.60      
8 A' 1055 1012 217.60      
9 A' 618 593 1.44      
10 A" 1038 996 1.62      
11 A" 831 798 65.87      
12 A" 417 400 64.62      

Unscaled Zero Point Vibrational Energy (zpe) 10053.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9645.0 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
2.64994 0.37099 0.32543

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.376 0.000
O2 -1.002 -0.533 0.000
N3 1.196 -0.015 0.000
H4 -0.336 1.413 0.000
H5 -1.849 -0.080 0.000
H6 1.827 0.778 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35311.25861.09031.90461.8705
O21.35312.25862.05750.96093.1181
N31.25862.25862.09453.04621.0132
H41.09032.05752.09452.12612.2539
H51.90460.96093.04622.12613.7749
H61.87053.11811.01322.25393.7749

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.625 C1 N3 H6 110.383
O2 C1 N3 119.679 O2 C1 H4 114.287
N3 C1 H4 126.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.831661
Energy at 298.15K-169.835676
HF Energy-169.615292
Nuclear repulsion energy70.913631
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 B2PLYP=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/aug-cc-pVTZ
ABC
2.64994 0.37099 0.32543

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.834393
Energy at 298.15K-169.838483
HF Energy-169.617793
Nuclear repulsion energy70.831150
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 B2PLYP=FULL/aug-cc-pVTZ
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' 3780 3627 42.96      
2 A' 3469 3328 8.61      
3 A' 3197 3067 8.24      
4 A' 1711 1642 273.93      
5 A' 1415 1358 1.11      
6 A' 1346 1292 36.74      
7 A' 1124 1078 258.53      
8 A' 1076 1032 53.45      
9 A' 589 565 30.02      
10 A" 1075 1031 61.66      
11 A" 851 816 50.53      
12 A" 518 497 68.61      

Unscaled Zero Point Vibrational Energy (zpe) 10074.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9665.7 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
2.25222 0.37780 0.32353

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
O2 -1.099 -0.355 0.000
N3 1.222 0.125 0.000
H4 -0.302 1.480 0.000
H5 -0.829 -1.281 0.000
H6 1.375 -0.882 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35671.26151.08211.91061.9076
O21.35672.36991.99990.96512.5297
N31.26152.36992.03852.48621.0189
H41.08211.99992.03852.81042.8964
H51.91060.96512.48622.81042.2394
H61.90762.52971.01892.89642.2394

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.595 C1 N3 H6 113.122
O2 C1 N3 129.656 O2 C1 H4 109.665
N3 C1 H4 120.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability