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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCD/6-31+G**

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 CCD/6-31+G**
 hartrees
Energy at 0K-169.419644
Energy at 298.15K-169.423606
HF Energy-168.915109
Nuclear repulsion energy70.606959
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 CCD/6-31+G**
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' 3937 3710 80.58      
2 A' 3605 3397 7.18      
3 A' 3153 2971 43.32      
4 A' 1805 1701 196.85      
5 A' 1476 1391 9.07      
6 A' 1362 1284 159.02      
7 A' 1219 1149 54.67      
8 A' 1090 1027 203.53      
9 A' 617 582 1.12      
10 A" 1060 999 4.86      
11 A" 847 798 72.37      
12 A" 353 333 85.74      

Unscaled Zero Point Vibrational Energy (zpe) 10262.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9669.9 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 CCD/6-31+G**
ABC
2.61624 0.36798 0.32260

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.007 -0.535 0.000
N3 1.203 -0.017 0.000
H4 -0.330 1.420 0.000
H5 -1.856 -0.084 0.000
H6 1.821 0.790 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35991.26601.09161.91291.8669
O21.35992.26912.06850.96203.1228
N31.26602.26912.10053.05931.0166
H41.09162.06852.10052.14202.2416
H51.91290.96203.05932.14203.7796
H61.86693.12281.01662.24163.7796

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.755 C1 N3 H6 109.261
O2 C1 N3 119.521 O2 C1 H4 114.649
N3 C1 H4 125.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-169.429237
Energy at 298.15K-169.433390
HF Energy-168.926105
Nuclear repulsion energy70.944218
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 CCD/6-31+G**
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' 3859 3637 59.11      
2 A' 3617 3409 7.97      
3 A' 3226 3040 21.82      
4 A' 1782 1679 272.12      
5 A' 1448 1364 14.89      
6 A' 1398 1318 2.52      
7 A' 1220 1150 98.16      
8 A' 1098 1034 198.20      
9 A' 595 561 53.23      
10 A" 1073 1011 0.13      
11 A" 850 801 45.89      
12 A" 598 563 200.34      

Unscaled Zero Point Vibrational Energy (zpe) 10382.0 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9783.0 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 CCD/6-31+G**
ABC
2.36448 0.38067 0.32788

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 -1.115 -0.343 0.000
N3 1.163 -0.089 0.000
H4 -0.257 1.476 0.000
H5 -0.828 -1.267 0.000
H6 1.870 0.640 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35121.26931.08671.87871.8824
O21.35122.29232.01080.96793.1426
N31.26932.29232.11302.31261.0157
H41.08672.01082.11302.80122.2848
H51.87870.96792.31262.80123.3032
H61.88243.14261.01572.28483.3032

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.054 C1 N3 H6 110.452
O2 C1 N3 122.002 O2 C1 H4 110.668
N3 C1 H4 127.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-169.422950
Energy at 298.15K-169.427022
HF Energy-168.919132
Nuclear repulsion energy70.542134
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 CCD/6-31+G**
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' 3887 3663 40.51      
2 A' 3535 3331 7.69      
3 A' 3284 3094 8.43      
4 A' 1777 1674 268.64      
5 A' 1449 1365 2.39      
6 A' 1375 1296 30.86      
7 A' 1150 1083 235.59      
8 A' 1107 1043 72.61      
9 A' 597 563 40.63      
10 A" 1108 1044 74.70      
11 A" 858 809 50.23      
12 A" 479 451 95.14      

Unscaled Zero Point Vibrational Energy (zpe) 10302.5 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9708.0 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 CCD/6-31+G**
ABC
2.22692 0.37490 0.32088

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
O2 -1.103 -0.358 0.000
N3 1.228 0.126 0.000
H4 -0.300 1.485 0.000
H5 -0.835 -1.286 0.000
H6 1.361 -0.886 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36431.26851.08251.92161.9039
O21.36432.38022.01060.96542.5194
N31.26852.38022.04482.49941.0213
H41.08252.01062.04482.82202.8954
H51.92160.96542.49942.82202.2315
H61.90392.51941.02132.89542.2315

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.966 C1 N3 H6 112.052
O2 C1 N3 129.358 O2 C1 H4 109.984
N3 C1 H4 120.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability