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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: MP4=FULL/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 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/cc-pVTZ
 hartrees
Energy at 0K-169.663775
Energy at 298.15K-169.667785
HF Energy-168.971812
Nuclear repulsion energy70.821570
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/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' 3869 3725        
2 A' 3540 3409        
3 A' 3086 2971        
4 A' 1746 1681        
5 A' 1424 1372        
6 A' 1341 1292        
7 A' 1199 1155        
8 A' 1063 1024        
9 A' 613 590        
10 A" 1046 1007        
11 A" 838 807        
12 A" 408 392        

Unscaled Zero Point Vibrational Energy (zpe) 10086.1 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9711.9 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/cc-pVTZ
ABC
2.62881 0.37031 0.32458

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.376 0.000
O2 -1.005 -0.532 0.000
N3 1.200 -0.020 0.000
H4 -0.334 1.412 0.000
H5 -1.840 -0.057 0.000
H6 1.813 0.788 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35481.26381.08801.88991.8594
O21.35482.26412.05660.96023.1123
N31.26382.26412.09813.04001.0144
H41.08802.05662.09812.10352.2353
H51.88990.96023.04002.10353.7492
H61.85943.11231.01442.23533.7492

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.235 C1 N3 H6 108.912
O2 C1 N3 119.640 O2 C1 H4 114.245
N3 C1 H4 126.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-169.672655
Energy at 298.15K-169.676816
HF Energy-168.981362
Nuclear repulsion energy71.176874
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/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' 3767 3627        
2 A' 3546 3415        
3 A' 3155 3038        
4 A' 1717 1654        
5 A' 1402 1350        
6 A' 1384 1333        
7 A' 1192 1148        
8 A' 1073 1033        
9 A' 584 563        
10 A" 1061 1022        
11 A" 840 809        
12 A" 629 606        

Unscaled Zero Point Vibrational Energy (zpe) 10175.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9797.9 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/cc-pVTZ
ABC
2.37139 0.38387 0.33039

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -1.114 -0.337 0.000
N3 1.158 -0.096 0.000
H4 -0.255 1.472 0.000
H5 -0.804 -1.253 0.000
H6 1.862 0.633 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34591.26741.08331.85571.8746
O21.34592.28462.00180.96763.1301
N31.26742.28462.11082.27821.0138
H41.08332.00182.11082.77992.2775
H51.85570.96762.27822.77993.2665
H61.87463.13011.01382.27753.2665

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.496 C1 N3 H6 110.023
O2 C1 N3 121.872 O2 C1 H4 110.526
N3 C1 H4 127.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-169.667633
Energy at 298.15K-169.671725
HF Energy-168.975273
Nuclear repulsion energy70.759620
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/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' 3795 3655        
2 A' 3455 3326        
3 A' 3203 3084        
4 A' 1711 1647        
5 A' 1415 1362        
6 A' 1360 1310        
7 A' 1127 1085        
8 A' 1082 1042        
9 A' 587 565        
10 A" 1087 1047        
11 A" 853 821        
12 A" 516 497        

Unscaled Zero Point Vibrational Energy (zpe) 10095.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9721.0 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/cc-pVTZ
ABC
2.24796 0.37703 0.32288

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.102 -0.352 0.000
N3 1.226 0.121 0.000
H4 -0.296 1.480 0.000
H5 -0.811 -1.272 0.000
H6 1.348 -0.892 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35831.26671.08011.89581.8958
O21.35832.37562.00180.96502.5088
N31.26672.37562.04022.46771.0204
H41.08012.00182.04022.80002.8859
H51.89580.96502.46772.80002.1921
H61.89582.50881.02042.88592.1921

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.182 C1 N3 H6 111.518
O2 C1 N3 129.608 O2 C1 H4 109.830
N3 C1 H4 120.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability