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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: MP2=FULL/6-31+G**

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 MP2=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at MP2=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-209.803048
Energy at 298.15K-209.812244
HF Energy-209.126130
Nuclear repulsion energy134.628301
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 MP2=FULL/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 3785 3554 72.62      
2 A 3697 3472 8.91      
3 A 3587 3369 0.86      
4 A 3198 3004 34.89      
5 A 3188 2994 22.58      
6 A 3089 2901 69.66      
7 A 3073 2886 54.36      
8 A 1691 1589 40.73      
9 A 1560 1465 1.26      
10 A 1545 1451 3.49      
11 A 1468 1379 44.11      
12 A 1436 1348 21.17      
13 A 1391 1307 9.51      
14 A 1354 1272 3.43      
15 A 1277 1200 23.40      
16 A 1206 1132 10.42      
17 A 1139 1070 36.17      
18 A 1089 1022 55.51      
19 A 1026 964 8.51      
20 A 950 892 71.47      
21 A 909 854 18.90      
22 A 846 795 100.94      
23 A 578 543 141.89      
24 A 541 508 19.98      
25 A 336 316 0.38      
26 A 267 251 11.21      
27 A 190 179 5.66      

Unscaled Zero Point Vibrational Energy (zpe) 22207.3 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 20857.1 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 MP2=FULL/6-31+G**
ABC
0.48179 0.18804 0.15426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.358 -0.560 0.124
C2 -0.633 0.650 -0.279
C3 0.778 0.560 0.274
O4 1.413 -0.631 -0.169
H5 -1.670 -0.496 1.087
H6 -2.176 -0.717 -0.451
H7 -1.104 1.583 0.050
H8 -0.583 0.660 -1.367
H9 1.384 1.395 -0.075
H10 0.746 0.597 1.369
H11 0.731 -1.318 -0.098

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46702.41672.78761.01381.01202.15882.07653.37322.70472.2329
C21.46701.51852.41712.06282.06821.09511.08922.15982.15002.4013
C32.41671.51851.42092.78773.29882.15382.13451.08841.09671.9155
O42.78762.41711.42093.33183.60123.35952.66262.02842.07830.9711
H51.01382.06282.78773.33181.63362.39152.92223.77522.66692.8001
H61.01202.06823.29883.60121.63362.58572.29584.15593.68462.9888
H72.15881.09512.15383.35952.39152.58571.76902.49822.47723.4354
H82.07651.08922.13452.66262.92222.29581.76902.46583.04292.6924
H93.37322.15981.08842.02843.77524.15592.49822.46581.76892.7906
H102.70472.15001.09672.07832.66693.68462.47723.04291.76892.4127
H112.23292.40131.91550.97112.80012.98883.43542.69242.79062.4127

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.081 N1 C2 H7 114.043
N1 C2 H8 107.735 C2 N1 H5 111.191
C2 N1 H6 111.773 C2 C3 O4 110.590
C2 C3 H9 110.813 C2 C3 H10 109.538
C3 C2 H7 109.928 C3 C2 H8 108.761
C3 O4 H11 104.845 O4 C3 H9 107.125
O4 C3 H10 110.627 H5 N1 H6 107.487
H7 C2 H8 108.165 H9 C3 H10 108.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability