return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: CID/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 CID/6-311G*
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

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

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-209.733149
Energy at 298.15K-209.742455
HF Energy-209.148351
Nuclear repulsion energy135.316344
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 CID/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 3954 3674 49.74      
2 A 3749 3483 2.11      
3 A 3664 3404 0.35      
4 A 3204 2977 52.66      
5 A 3192 2966 32.85      
6 A 3106 2886 76.71      
7 A 3082 2863 69.10      
8 A 1790 1663 44.51      
9 A 1595 1482 0.54      
10 A 1576 1465 6.48      
11 A 1532 1424 79.03      
12 A 1489 1383 18.55      
13 A 1453 1350 6.60      
14 A 1402 1303 2.52      
15 A 1325 1231 30.19      
16 A 1254 1165 8.65      
17 A 1194 1109 76.28      
18 A 1136 1055 22.41      
19 A 1064 989 20.01      
20 A 999 928 84.11      
21 A 930 864 13.57      
22 A 886 823 77.94      
23 A 583 542 145.89      
24 A 545 506 41.29      
25 A 344 320 0.69      
26 A 278 258 14.83      
27 A 202 188 5.72      

Unscaled Zero Point Vibrational Energy (zpe) 22764.0 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 21150.1 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 CID/6-311G*
ABC
0.49012 0.18872 0.15537

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.361 -0.555 0.124
C2 -0.629 0.645 -0.276
C3 0.784 0.549 0.272
O4 1.403 -0.626 -0.170
H5 -1.667 -0.481 1.079
H6 -2.178 -0.689 -0.445
H7 -1.100 1.578 0.047
H8 -0.573 0.656 -1.363
H9 1.387 1.387 -0.071
H10 0.755 0.587 1.368
H11 0.742 -1.310 -0.099

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46192.41782.78111.00581.00402.15072.07303.37092.70772.2454
C21.46191.51872.39932.04512.05141.09431.08842.15762.14922.3940
C32.41781.51871.39992.77883.28982.15912.12801.08761.09651.8959
O42.78112.39931.39993.31763.59243.34292.64112.01582.06300.9538
H51.00582.04512.77883.31761.62082.37222.90723.76012.66282.8063
H61.00402.05143.28983.59241.62082.55792.28594.14223.67643.0052
H72.15071.09432.15913.34292.37222.55791.76512.49732.48363.4285
H82.07301.08842.12802.64112.90722.28591.76512.45903.03722.6818
H93.37092.15761.08762.01583.76014.14222.49732.45901.76302.7730
H102.70772.14921.09652.06302.66283.67642.48363.03721.76302.3976
H112.24542.39401.89590.95382.80633.00523.42852.68182.77302.3976

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.410 N1 C2 H7 113.798
N1 C2 H8 107.854 C2 N1 H5 110.578
C2 N1 H6 111.228 C2 C3 O4 110.521
C2 C3 H9 110.667 C2 C3 H10 109.473
C3 C2 H7 110.390 C3 C2 H8 108.288
C3 O4 H11 105.755 O4 C3 H9 107.607
O4 C3 H10 110.873 H5 N1 H6 107.494
H7 C2 H8 107.941 H9 C3 H10 107.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability