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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: CCD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 3 yes C1 OH in 1A

Conformer 1 (CS)

Jump to S1C2 S1C3
Vibrational Frequencies calculated at CCD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at CCD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-209.827471
Energy at 298.15K-209.836712
HF Energy-209.147057
Nuclear repulsion energy134.626125
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/6-311G*
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 3812 3641 39.02      
2 A 3634 3470 0.74      
3 A 3546 3387 0.27      
4 A 3117 2977 46.24      
5 A 3107 2967 28.52      
6 A 3020 2884 67.69      
7 A 2993 2858 66.77      
8 A 1748 1669 41.81      
9 A 1551 1481 0.85      
10 A 1532 1463 8.07      
11 A 1493 1426 84.51      
12 A 1447 1382 11.94      
13 A 1414 1351 2.99      
14 A 1364 1303 1.96      
15 A 1290 1232 25.37      
16 A 1221 1166 8.56      
17 A 1157 1105 60.15      
18 A 1102 1052 24.42      
19 A 1038 992 22.05      
20 A 982 938 82.72      
21 A 906 866 12.15      
22 A 867 828 65.12      
23 A 583 557 156.51      
24 A 537 513 20.12      
25 A 338 323 0.55      
26 A 271 259 15.89      
27 A 200 191 5.74      

Unscaled Zero Point Vibrational Energy (zpe) 22133.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 21139.7 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 CCD/6-311G*
ABC
0.48303 0.18775 0.15430

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.362 -0.561 0.126
C2 -0.631 0.650 -0.278
C3 0.788 0.554 0.274
O4 1.406 -0.632 -0.170
H5 -1.678 -0.472 1.085
H6 -2.185 -0.691 -0.450
H7 -1.108 1.589 0.044
H8 -0.572 0.656 -1.373
H9 1.398 1.394 -0.075
H10 0.757 0.595 1.377
H11 0.726 -1.309 -0.096

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47102.42622.78531.01401.01212.16662.08543.38782.71862.2294
C21.47101.52532.40962.05272.05961.10181.09582.17002.16062.3901
C32.42621.52531.40942.79103.30282.17242.13801.09511.10451.9002
O42.78532.40961.40943.33383.60243.36202.64972.02892.07880.9626
H51.01402.05272.79103.33381.63112.37872.92143.77942.67392.8061
H61.01212.05963.30283.60241.63112.56972.29484.16173.69342.9966
H72.16661.10182.17243.36202.37872.56971.77882.51562.49873.4329
H82.08541.09582.13802.64972.92142.29481.77882.47183.05452.6793
H93.38782.17001.09512.02893.77944.16172.51562.47181.77662.7857
H102.71862.16061.10452.07882.67393.69342.49873.05451.77662.4071
H112.22942.39011.90020.96262.80612.99663.43292.67932.78572.4071

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.129 N1 C2 H7 113.966
N1 C2 H8 107.776 C2 N1 H5 110.032
C2 N1 H6 110.731 C2 C3 O4 110.322
C2 C3 H9 110.743 C2 C3 H10 109.449
C3 C2 H7 110.530 C3 C2 H8 108.187
C3 O4 H11 104.900 O4 C3 H9 107.549
O4 C3 H10 110.992 H5 N1 H6 107.230
H7 C2 H8 108.077 H9 C3 H10 107.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability