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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: MP3=FULL/cc-pVDZ

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 MP3=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at MP3=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-209.818389
Energy at 298.15K-209.827658
HF Energy-209.122635
Nuclear repulsion energy134.526348
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=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3829 3600 72.22      
2 A 3631 3414 1.24      
3 A 3546 3334 0.26      
4 A 3146 2959 48.72      
5 A 3137 2950 33.35      
6 A 3053 2871 65.64      
7 A 3015 2835 74.91      
8 A 1670 1570 24.75      
9 A 1527 1436 0.07      
10 A 1510 1420 17.59      
11 A 1494 1404 79.29      
12 A 1436 1350 14.00      
13 A 1402 1318 0.29      
14 A 1351 1270 2.30      
15 A 1281 1204 19.04      
16 A 1215 1143 3.47      
17 A 1159 1090 62.45      
18 A 1103 1037 18.61      
19 A 1037 975 21.56      
20 A 978 919 58.63      
21 A 911 857 10.51      
22 A 864 812 54.15      
23 A 581 547 124.86      
24 A 545 512 12.01      
25 A 334 314 0.62      
26 A 285 268 14.63      
27 A 201 189 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 22119.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 20799.1 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 MP3=FULL/cc-pVDZ
ABC
0.47973 0.18900 0.15466

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.350 -0.572 0.117
C2 -0.634 0.654 -0.274
C3 0.790 0.553 0.271
O4 1.402 -0.636 -0.172
H5 -1.632 -0.492 1.096
H6 -2.221 -0.645 -0.408
H7 -1.113 1.593 0.066
H8 -0.584 0.677 -1.375
H9 1.397 1.404 -0.078
H10 0.757 0.605 1.382
H11 0.691 -1.290 -0.112

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47232.42332.76871.02171.01942.17902.09183.39012.72532.1766
C21.47231.52892.41282.04592.05441.10821.10272.17482.16342.3584
C32.42331.52891.40892.76423.31132.17892.14891.10211.11191.8853
O42.76872.41281.40893.29173.63103.36962.66852.04232.09060.9679
H51.02172.04592.76423.29171.62282.38352.92823.76182.64482.7376
H61.01942.05443.31133.63101.62282.54202.31564.17123.69272.9977
H72.17901.10822.17893.36962.38352.54201.78772.52162.49103.4063
H82.09181.10272.14892.66852.92822.31561.78772.47773.06702.6638
H93.39012.17481.10212.04233.76184.17122.52162.47771.78252.7854
H102.72532.16341.11192.09062.64483.69272.49103.06701.78252.4142
H112.17662.35841.88530.96792.73762.99773.40632.66382.78542.4142

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.679 N1 C2 H7 114.477
N1 C2 H8 107.791 C2 N1 H5 108.894
C2 N1 H6 109.744 C2 C3 O4 110.362
C2 C3 H9 110.449 C2 C3 H10 108.990
C3 C2 H7 110.411 C3 C2 H8 108.394
C3 O4 H11 103.410 O4 C3 H9 108.227
O4 C3 H10 111.524 H5 N1 H6 105.321
H7 C2 H8 107.915 H9 C3 H10 107.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability