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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

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

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-210.196268
Energy at 298.15K-210.205398
HF Energy-209.975178
Nuclear repulsion energy134.288647
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/6-31+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 3760 3576 68.52      
2 A 3650 3471 6.58      
3 A 3551 3377 0.42      
4 A 3141 2987 40.41      
5 A 3130 2976 26.96      
6 A 3035 2886 81.24      
7 A 3015 2867 61.24      
8 A 1680 1598 38.95      
9 A 1537 1462 1.22      
10 A 1524 1449 4.08      
11 A 1454 1383 53.21      
12 A 1422 1352 18.51      
13 A 1380 1312 7.56      
14 A 1340 1274 3.94      
15 A 1263 1201 24.68      
16 A 1195 1137 11.07      
17 A 1120 1065 46.02      
18 A 1075 1022 49.47      
19 A 1014 964 7.63      
20 A 933 887 67.38      
21 A 890 846 17.23      
22 A 828 788 106.97      
23 A 567 540 130.29      
24 A 533 507 27.41      
25 A 328 312 0.44      
26 A 265 252 10.89      
27 A 180 171 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 21904.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 20831.3 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 B2PLYP=FULL/6-31+G**
ABC
0.48135 0.18639 0.15294

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.367 -0.559 0.123
C2 -0.636 0.652 -0.275
C3 0.785 0.559 0.270
O4 1.418 -0.633 -0.168
H5 -1.679 -0.505 1.087
H6 -2.184 -0.716 -0.455
H7 -1.104 1.586 0.063
H8 -0.594 0.671 -1.366
H9 1.388 1.396 -0.085
H10 0.761 0.603 1.369
H11 0.739 -1.323 -0.099

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46962.42962.80121.01471.01272.16232.08023.38502.72642.2508
C21.46961.52432.42512.06872.07331.09821.09202.16492.15772.4122
C32.42961.52431.41902.80513.31112.15992.14231.09121.10001.9181
O42.80122.42511.41903.34383.61423.36732.68052.03082.07850.9705
H51.01472.06872.80513.34381.63642.39802.92833.79392.69452.8141
H61.01272.07333.31113.61421.63642.59472.29764.16593.70663.0060
H72.16231.09822.15993.36732.39802.59471.77162.50402.48013.4471
H82.08021.09202.14232.68052.92832.29761.77162.46873.05282.7122
H93.38502.16491.09122.03083.79394.16592.50402.46871.77122.7951
H102.72642.15771.10002.07852.69453.70662.48013.05281.77122.4214
H112.25082.41221.91810.97052.81413.00603.44712.71222.79512.4214

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.474 N1 C2 H7 113.938
N1 C2 H8 107.688 C2 N1 H5 111.445
C2 N1 H6 111.968 C2 C3 O4 110.905
C2 C3 H9 110.631 C2 C3 H10 109.546
C3 C2 H7 109.827 C3 C2 H8 108.814
C3 O4 H11 105.231 O4 C3 H9 107.271
O4 C3 H10 110.562 H5 N1 H6 107.634
H7 C2 H8 107.976 H9 C3 H10 107.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability