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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: B2PLYP=FULL/STO-3G

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/STO-3G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at B2PLYP=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-207.306914
Energy at 298.15K-207.315968
HF Energy-207.239045
Nuclear repulsion energy132.397713
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/STO-3G
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 3766 3766 5.64      
2 A 3667 3667 32.38      
3 A 3581 3581 5.33      
4 A 3481 3481 4.03      
5 A 3420 3420 9.38      
6 A 3349 3349 6.70      
7 A 3281 3281 25.86      
8 A 1869 1869 8.55      
9 A 1712 1712 28.82      
10 A 1695 1695 40.65      
11 A 1677 1677 8.63      
12 A 1537 1537 6.06      
13 A 1488 1488 1.19      
14 A 1444 1444 3.45      
15 A 1354 1354 16.17      
16 A 1269 1269 6.05      
17 A 1189 1189 1.05      
18 A 1138 1138 7.91      
19 A 1098 1098 13.93      
20 A 1041 1041 37.78      
21 A 964 964 2.15      
22 A 901 901 24.11      
23 A 687 687 98.07      
24 A 582 582 7.13      
25 A 332 332 9.17      
26 A 303 303 24.24      
27 A 168 168 12.96      

Unscaled Zero Point Vibrational Energy (zpe) 23497.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23497.3 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/STO-3G
ABC
0.43513 0.19605 0.15204

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.295 -0.617 0.101
C2 -0.661 0.722 -0.231
C3 0.838 0.594 0.228
O4 1.358 -0.710 -0.161
H5 -1.598 -0.560 1.110
H6 -2.207 -0.664 -0.426
H7 -1.162 1.587 0.247
H8 -0.707 0.850 -1.327
H9 1.454 1.389 -0.240
H10 0.881 0.746 1.333
H11 0.481 -1.242 -0.099

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.51762.45572.66691.05521.05422.21302.12943.41942.84781.8926
C21.51761.57292.47582.07822.08471.10831.10412.21752.19672.2752
C32.45571.57291.45652.83613.35842.23282.20651.10891.11631.8987
O42.66692.47581.45653.22073.57443.43372.83792.10262.13951.0277
H51.05522.07822.83613.22071.65552.35512.95283.86432.81092.4991
H61.05422.08473.35843.57441.65552.57152.31324.20073.82312.7680
H72.21301.10832.23283.43372.35512.57151.79652.66752.46193.2895
H82.12941.10412.20652.83792.95282.31321.79652.47793.09952.7006
H93.41942.21751.10892.10263.86434.20072.66752.47791.79302.8086
H102.84782.19671.11632.13952.81093.82312.46193.09951.79302.4821
H111.89262.27521.89871.02772.49912.76803.28952.70062.80862.4821

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 105.221 N1 C2 H7 113.954
N1 C2 H8 107.575 C2 N1 H5 106.359
C2 N1 H6 106.925 C2 C3 O4 109.561
C2 C3 H9 110.359 C2 C3 H10 108.348
C3 C2 H7 111.589 C3 C2 H8 109.785
C3 O4 H11 98.207 O4 C3 H9 109.337
O4 C3 H10 111.844 H5 N1 H6 103.408
H7 C2 H8 108.584 H9 C3 H10 107.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability