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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-210.014162
Energy at 298.15K-210.023299
HF Energy-209.873276
Nuclear repulsion energy133.482879
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
4/u)
Dep P Dep U
1 A 3677 3677 3.93      
2 A 3558 3558 0.09      
3 A 3537 3537 38.28      
4 A 3145 3145 43.98      
5 A 3125 3125 28.12      
6 A 3023 3023 93.25      
7 A 3009 3009 54.93      
8 A 1730 1730 33.25      
9 A 1576 1576 0.30      
10 A 1558 1558 3.25      
11 A 1453 1453 64.69      
12 A 1448 1448 5.63      
13 A 1399 1399 15.83      
14 A 1354 1354 4.96      
15 A 1273 1273 25.57      
16 A 1198 1198 17.33      
17 A 1113 1113 13.00      
18 A 1043 1043 57.46      
19 A 1016 1016 2.69      
20 A 905 905 19.37      
21 A 889 889 37.53      
22 A 732 732 247.98      
23 A 622 622 164.38      
24 A 545 545 16.23      
25 A 328 328 0.37      
26 A 268 268 10.48      
27 A 185 185 8.19      

Unscaled Zero Point Vibrational Energy (zpe) 21853.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21853.7 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
0.45971 0.18915 0.15232

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 -1.363 -0.544 0.130
C2 -0.636 0.677 -0.268
C3 0.800 0.582 0.261
O4 1.393 -0.671 -0.164
H5 -1.668 -0.560 1.097
H6 -2.097 -0.835 -0.501
H7 -1.111 1.610 0.075
H8 -0.606 0.700 -1.361
H9 1.423 1.385 -0.140
H10 0.800 0.662 1.359
H11 0.671 -1.337 -0.088

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47582.44262.77461.01371.01142.16952.08473.39942.76472.1938
C21.47581.53362.43862.11162.11591.10131.09412.18122.17032.4076
C32.44261.53361.45032.84593.31472.17762.14971.09201.10131.9551
O42.77462.43861.45033.31253.51053.39552.70352.05662.10920.9851
H51.01372.11162.84593.31251.67742.46292.95973.85622.76682.7345
H61.01142.11593.31473.51051.67742.69922.30704.17763.75472.8434
H72.16951.10132.17763.39552.46292.69921.77362.55272.48973.4473
H82.08471.09412.14972.70352.95972.30701.77362.46483.06232.7201
H93.39942.18121.09202.05663.85624.17762.55272.46481.77742.8243
H102.76472.17031.10132.10922.76683.75472.48973.06231.77742.4711
H112.19382.40761.95510.98512.73452.84343.44732.72012.82432.4711

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.500 N1 C2 H7 113.881
N1 C2 H8 107.499 C2 N1 H5 114.761
C2 N1 H6 115.308 C2 C3 O4 109.587
C2 C3 H9 111.237 C2 C3 H10 109.818
C3 C2 H7 110.397 C3 C2 H8 108.634
C3 O4 H11 105.187 O4 C3 H9 107.141
O4 C3 H10 110.759 H5 N1 H6 111.849
H7 C2 H8 107.777 H9 C3 H10 108.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability