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: CCD/aug-cc-pVTZ

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 CCD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

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

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-210.046729
Energy at 298.15K 
HF Energy-209.194272
Nuclear repulsion energy134.635475
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 CCD/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/aug-cc-pVTZ
ABC
0.48879 0.18561 0.15340

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.371 -0.562 0.120
C2 -0.634 0.642 -0.281
C3 0.777 0.552 0.277
O4 1.426 -0.620 -0.170
H5 -1.659 -0.495 1.088
H6 -2.210 -0.674 -0.429
H7 -1.102 1.576 0.048
H8 -0.580 0.655 -1.370
H9 1.372 1.402 -0.057
H10 0.739 0.578 1.374
H11 0.764 -1.316 -0.114

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46712.42462.81191.01181.00982.15622.08013.37802.70622.2759
C21.46711.51992.41752.05322.05921.09551.09062.15672.15102.4113
C32.42461.51991.41162.77293.30602.15232.13651.08981.09791.9087
O42.81192.41751.41163.33363.64583.35512.66212.02562.07120.9625
H51.01182.05322.77293.33361.62382.38362.92003.75432.64302.8265
H61.00982.05923.30603.64581.62382.55372.30474.15763.67713.0591
H72.15621.09552.15233.35512.38362.55371.76922.48212.47873.4456
H82.08011.09062.13652.66212.92002.30471.76922.46853.04542.6961
H93.37802.15671.08982.02563.75434.15762.48212.46851.76772.7861
H102.70622.15101.09792.07122.64303.67712.47873.04541.76772.4091
H112.27592.41131.90870.96252.82653.05913.44562.69612.78612.4091

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.518 N1 C2 H7 113.785
N1 C2 H8 107.926 C2 N1 H5 110.493
C2 N1 H6 111.131 C2 C3 O4 111.052
C2 C3 H9 110.385 C2 C3 H10 109.452
C3 C2 H7 109.696 C3 C2 H8 108.745
C3 O4 H11 105.450 O4 C3 H9 107.453
O4 C3 H10 110.623 H5 N1 H6 106.878
H7 C2 H8 108.055 H9 C3 H10 107.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability