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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-169.416829
Energy at 298.15K-169.420799
HF Energy-168.915384
Nuclear repulsion energy70.693669
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 MP3/6-31+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' 3967 3692 83.29      
2 A' 3632 3379 7.48      
3 A' 3170 2950 43.12      
4 A' 1813 1687 203.22      
5 A' 1483 1380 9.90      
6 A' 1369 1274 163.11      
7 A' 1224 1139 55.08      
8 A' 1096 1020 203.43      
9 A' 620 577 1.14      
10 A" 1063 989 4.70      
11 A" 848 789 73.42      
12 A" 357 333 85.68      

Unscaled Zero Point Vibrational Energy (zpe) 10321.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9604.0 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 MP3/6-31+G**
ABC
2.62428 0.36877 0.32333

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.378 0.000
O2 -1.006 -0.533 0.000
N3 1.201 -0.018 0.000
H4 -0.328 1.418 0.000
H5 -1.854 -0.082 0.000
H6 1.820 0.787 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35771.26511.09031.91001.8652
O21.35772.26682.06580.96023.1190
N31.26512.26682.09823.05571.0148
H41.09032.06582.09822.13942.2393
H51.91000.96023.05572.13943.7749
H61.86523.11901.01482.23933.7749

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.785 C1 N3 H6 109.298
O2 C1 N3 119.554 O2 C1 H4 114.660
N3 C1 H4 125.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-169.426430
Energy at 298.15K-169.430589
HF Energy-168.926367
Nuclear repulsion energy71.033439
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 MP3/6-31+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' 3888 3618 60.65      
2 A' 3645 3391 8.41      
3 A' 3244 3018 21.37      
4 A' 1790 1665 280.08      
5 A' 1455 1354 16.00      
6 A' 1404 1307 2.48      
7 A' 1225 1140 101.58      
8 A' 1104 1027 195.42      
9 A' 597 556 54.22      
10 A" 1077 1002 0.17      
11 A" 852 793 45.82      
12 A" 600 559 201.78      

Unscaled Zero Point Vibrational Energy (zpe) 10439.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9714.3 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 MP3/6-31+G**
ABC
2.36821 0.38171 0.32873

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 -1.114 -0.341 0.000
N3 1.161 -0.091 0.000
H4 -0.255 1.475 0.000
H5 -0.827 -1.264 0.000
H6 1.868 0.636 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34921.26831.08551.87561.8808
O21.34922.28922.00910.96623.1385
N31.26832.28922.11082.30861.0139
H41.08552.00912.11082.79772.2827
H51.87560.96622.30862.79773.2976
H61.88083.13851.01392.28273.2976

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.042 C1 N3 H6 110.499
O2 C1 N3 121.954 O2 C1 H4 110.751
N3 C1 H4 127.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-169.420066
Energy at 298.15K-169.424145
HF Energy-168.919411
Nuclear repulsion energy70.640056
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 MP3/6-31+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' 3917 3645 41.65      
2 A' 3559 3312 7.92      
3 A' 3302 3073 7.96      
4 A' 1785 1661 277.35      
5 A' 1454 1353 2.47      
6 A' 1381 1285 29.88      
7 A' 1155 1074 243.42      
8 A' 1115 1037 65.49      
9 A' 600 558 41.50      
10 A" 1111 1034 75.50      
11 A" 860 800 51.39      
12 A" 483 449 95.07      

Unscaled Zero Point Vibrational Energy (zpe) 10360.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 9640.3 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 MP3/6-31+G**
ABC
2.22927 0.37616 0.32185

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
O2 -1.101 -0.357 0.000
N3 1.226 0.124 0.000
H4 -0.298 1.485 0.000
H5 -0.833 -1.282 0.000
H6 1.357 -0.887 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36211.26751.08131.91801.9014
O21.36212.37642.00890.96362.5142
N31.26752.37642.04282.49401.0197
H41.08132.00892.04282.81832.8917
H51.91800.96362.49402.81832.2253
H61.90142.51421.01972.89172.2253

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.936 C1 N3 H6 112.016
O2 C1 N3 129.266 O2 C1 H4 110.080
N3 C1 H4 120.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability