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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: MP4=FULL/6-31G*

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 2 yes CS OH down 1A'
1 3 no CS CH up 1A'

Conformer 1 (CS H all up)

Jump to S1C2 S1C3
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-169.406189
Energy at 298.15K-169.410143
HF Energy-168.892723
Nuclear repulsion energy70.263155
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 MP4=FULL/6-31G*
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' 3760 3615        
2 A' 3487 3353        
3 A' 3063 2945        
4 A' 1760 1692        
5 A' 1452 1397        
6 A' 1358 1305        
7 A' 1219 1173        
8 A' 1076 1034        
9 A' 610 586        
10 A" 1028 988        
11 A" 839 807        
12 A" 371 356        

Unscaled Zero Point Vibrational Energy (zpe) 10010.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9626.0 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 MP4=FULL/6-31G*
ABC
2.56010 0.36619 0.32037

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.383 0.000
O2 -1.010 -0.534 0.000
N3 1.207 -0.025 0.000
H4 -0.338 1.431 0.000
H5 -1.860 -0.060 0.000
H6 1.834 0.785 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36431.27371.10101.91161.8773
O21.36432.27472.07680.97253.1351
N31.27372.27472.12223.06641.0244
H41.10102.07682.12222.13052.2652
H51.91160.97253.06642.13053.7887
H61.87733.13511.02442.26523.7887

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.612 C1 N3 H6 109.066
O2 C1 N3 119.108 O2 C1 H4 114.365
N3 C1 H4 126.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-169.417263
Energy at 298.15K-169.421413
HF Energy-168.904372
Nuclear repulsion energy70.619874
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 MP4=FULL/6-31G*
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' 3660 3520        
2 A' 3498 3364        
3 A' 3151 3030        
4 A' 1733 1667        
5 A' 1423 1368        
6 A' 1401 1347        
7 A' 1213 1166        
8 A' 1086 1044        
9 A' 585 562        
10 A" 1041 1001        
11 A" 841 809        
12 A" 640 616        

Unscaled Zero Point Vibrational Energy (zpe) 10135.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9746.5 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 MP4=FULL/6-31G*
ABC
2.31805 0.37924 0.32592

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
O2 -1.121 -0.337 0.000
N3 1.165 -0.100 0.000
H4 -0.266 1.487 0.000
H5 -0.806 -1.266 0.000
H6 1.883 0.630 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35511.27741.09511.87281.8940
O21.35512.29792.01450.98063.1554
N31.27742.29792.13622.29021.0237
H41.09512.01452.13622.80532.3130
H51.87280.98062.29022.80533.2901
H61.89403.15541.02372.31303.2901

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.486 C1 N3 H6 110.307
O2 C1 N3 121.575 O2 C1 H4 110.158
N3 C1 H4 128.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-169.412037
Energy at 298.15K-169.416111
HF Energy-168.898041
Nuclear repulsion energy70.113826
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 MP4=FULL/6-31G*
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' 3689 3547        
2 A' 3404 3273        
3 A' 3217 3094        
4 A' 1724 1658        
5 A' 1430 1375        
6 A' 1383 1330        
7 A' 1142 1098        
8 A' 1090 1048        
9 A' 586 563        
10 A" 1079 1037        
11 A" 840 808        
12 A" 522 502        

Unscaled Zero Point Vibrational Energy (zpe) 10051.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9665.8 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 MP4=FULL/6-31G*
ABC
2.22806 0.36911 0.31666

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.441 0.000
O2 -1.113 -0.355 0.000
N3 1.237 0.127 0.000
H4 -0.301 1.489 0.000
H5 -0.828 -1.290 0.000
H6 1.373 -0.894 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36881.27671.09041.91951.9155
O21.36882.39972.01510.97762.5441
N31.27672.39972.05512.50531.0303
H41.09042.01512.05512.82902.9128
H51.91950.97762.50532.82902.2368
H61.91552.54411.03032.91282.2368

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.638 C1 N3 H6 111.811
O2 C1 N3 130.170 O2 C1 H4 109.537
N3 C1 H4 120.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability