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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: B2PLYP=FULL/6-31G**

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 B2PLYP=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at B2PLYP=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-210.179171
Energy at 298.15K-210.188386
HF Energy-209.962497
Nuclear repulsion energy134.771905
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 B2PLYP=FULL/6-31G**
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 3749 3749 65.08      
2 A 3638 3638 1.43      
3 A 3543 3543 0.26      
4 A 3138 3138 43.22      
5 A 3126 3126 34.05      
6 A 3035 3035 74.02      
7 A 2998 2998 76.08      
8 A 1685 1685 29.48      
9 A 1554 1554 0.35      
10 A 1534 1534 4.17      
11 A 1475 1475 84.71      
12 A 1435 1435 17.38      
13 A 1402 1402 5.46      
14 A 1350 1350 2.64      
15 A 1278 1278 25.42      
16 A 1210 1210 9.08      
17 A 1130 1130 54.32      
18 A 1084 1084 32.49      
19 A 1026 1026 10.82      
20 A 954 954 65.21      
21 A 897 897 12.81      
22 A 845 845 87.40      
23 A 591 591 138.38      
24 A 544 544 12.79      
25 A 333 333 0.50      
26 A 279 279 14.37      
27 A 195 195 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 22012.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22012.9 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 B2PLYP=FULL/6-31G**
ABC
0.47955 0.18995 0.15490

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.350 -0.565 0.120
C2 -0.633 0.657 -0.270
C3 0.791 0.557 0.267
O4 1.398 -0.641 -0.169
H5 -1.642 -0.505 1.090
H6 -2.191 -0.683 -0.433
H7 -1.106 1.588 0.071
H8 -0.592 0.683 -1.361
H9 1.395 1.392 -0.094
H10 0.768 0.619 1.367
H11 0.687 -1.298 -0.104

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46902.42102.76431.01501.01292.16682.07933.37752.72762.1764
C21.46901.52502.41302.05352.06091.09841.09182.16432.15492.3651
C32.42101.52501.41242.77923.30372.16762.13931.09201.10181.8947
O42.76432.41301.41243.29393.59893.36122.67122.03462.08400.9706
H51.01502.05352.77923.29391.62782.38832.91893.77142.67352.7349
H61.01292.06093.30373.59891.62782.56642.29874.15653.69922.9611
H72.16681.09842.16763.36122.38832.56641.76992.51402.47593.4022
H82.07931.09182.13932.67122.91892.29871.76992.46073.04842.6727
H93.37752.16431.09202.03463.77144.15652.51402.46071.76772.7819
H102.72762.15491.10182.08402.67353.69922.47593.04841.76772.4171
H112.17642.36511.89470.97062.73492.96113.40222.67272.78192.4171

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.906 N1 C2 H7 114.354
N1 C2 H8 107.671 C2 N1 H5 110.186
C2 N1 H6 110.939 C2 C3 O4 110.406
C2 C3 H9 110.494 C2 C3 H10 109.178
C3 C2 H7 110.376 C3 C2 H8 108.544
C3 O4 H11 103.776 O4 C3 H9 107.981
O4 C3 H10 111.373 H5 N1 H6 106.776
H7 C2 H8 107.827 H9 C3 H10 107.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability