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: MP3=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 MP3=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=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 MP3=FULL/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-209.832967
Energy at 298.15K-209.842164
HF Energy-209.126814
Nuclear repulsion energy134.550786
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/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 3883 3618 62.36      
2 A 3716 3462 5.35      
3 A 3620 3372 0.54      
4 A 3198 2980 40.29      
5 A 3187 2969 26.84      
6 A 3098 2886 69.82      
7 A 3080 2870 54.57      
8 A 1713 1596 40.39      
9 A 1572 1465 0.93      
10 A 1558 1451 3.27      
11 A 1490 1388 51.35      
12 A 1453 1353 22.68      
13 A 1411 1314 8.88      
14 A 1367 1273 3.25      
15 A 1289 1201 24.07      
16 A 1219 1136 7.79      
17 A 1156 1077 50.21      
18 A 1104 1028 39.71      
19 A 1035 964 11.48      
20 A 963 897 71.19      
21 A 912 849 15.96      
22 A 856 798 93.73      
23 A 564 525 119.28      
24 A 536 499 48.80      
25 A 336 313 0.54      
26 A 266 247 11.43      
27 A 189 176 5.28      

Unscaled Zero Point Vibrational Energy (zpe) 22384.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 20853.0 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/6-31+G**
ABC
0.48573 0.18606 0.15336

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.369 -0.559 0.124
C2 -0.634 0.645 -0.280
C3 0.779 0.556 0.275
O4 1.422 -0.625 -0.169
H5 -1.677 -0.491 1.085
H6 -2.189 -0.702 -0.448
H7 -1.102 1.579 0.045
H8 -0.582 0.655 -1.368
H9 1.379 1.397 -0.066
H10 0.745 0.588 1.370
H11 0.759 -1.323 -0.100

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46792.42532.80701.01161.00962.15682.07803.37852.70912.2721
C21.46791.52112.41902.05982.06431.09411.08862.15932.15152.4179
C32.42531.52111.41612.79023.30402.15362.13581.08771.09581.9161
O42.80702.41901.41613.34573.62253.35742.66242.02492.07360.9647
H51.01162.05982.79023.34571.62942.38722.92013.77202.66682.8341
H61.00962.06433.30403.62251.62942.57472.29584.15713.68473.0330
H72.15681.09412.15363.35742.38722.57471.76642.48982.47963.4505
H82.07801.08862.13582.66242.92012.29581.76642.46783.04312.7047
H93.37852.15931.08772.02493.77204.15712.48982.46781.76592.7895
H102.70912.15151.09582.07362.66683.68472.47963.04311.76592.4112
H112.27212.41791.91610.96472.83413.03303.45052.70472.78952.4112

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.456 N1 C2 H7 113.874
N1 C2 H8 107.827 C2 N1 H5 111.012
C2 N1 H6 111.524 C2 C3 O4 110.839
C2 C3 H9 110.627 C2 C3 H10 109.523
C3 C2 H7 109.790 C3 C2 H8 108.721
C3 O4 H11 105.613 O4 C3 H9 107.212
O4 C3 H10 110.632 H5 N1 H6 107.446
H7 C2 H8 108.050 H9 C3 H10 107.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability