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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

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

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at CCSD=FULL/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-209.758608
Energy at 298.15K-209.767850
HF Energy-209.096940
Nuclear repulsion energy134.441644
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 CCSD=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 3707 3521 54.94      
2 A 3588 3407 0.60      
3 A 3497 3321 0.24      
4 A 3127 2970 44.71      
5 A 3118 2961 27.09      
6 A 3029 2877 66.67      
7 A 3003 2852 63.77      
8 A 1724 1638 35.30      
9 A 1571 1492 0.04      
10 A 1552 1475 4.20      
11 A 1496 1421 83.82      
12 A 1452 1379 19.64      
13 A 1419 1348 4.08      
14 A 1365 1297 2.08      
15 A 1294 1229 25.09      
16 A 1221 1160 9.23      
17 A 1151 1093 47.07      
18 A 1099 1044 30.07      
19 A 1045 992 22.12      
20 A 986 936 79.46      
21 A 912 866 13.14      
22 A 871 827 69.87      
23 A 577 548 147.31      
24 A 543 516 26.11      
25 A 341 324 0.41      
26 A 278 264 15.78      
27 A 204 193 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 22083.8 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 20975.2 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 CCSD=FULL/6-31G*
ABC
0.48049 0.18808 0.15433

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.356 -0.566 0.122
C2 -0.632 0.651 -0.279
C3 0.783 0.556 0.275
O4 1.410 -0.632 -0.172
H5 -1.656 -0.484 1.094
H6 -2.204 -0.677 -0.432
H7 -1.112 1.589 0.046
H8 -0.576 0.662 -1.374
H9 1.393 1.400 -0.069
H10 0.750 0.598 1.379
H11 0.714 -1.313 -0.099

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47162.42062.78191.02061.01872.17042.08663.38482.71462.2112
C21.47161.52282.41362.05502.06341.10301.09632.16912.15902.3872
C32.42061.52281.41602.77593.30812.17062.13971.09621.10521.9074
O42.78192.41361.41603.32043.62283.36762.65752.03452.08680.9761
H51.02062.05502.77593.32041.63252.38642.92763.76852.65372.7795
H61.01872.06343.30813.62281.63252.56072.30874.16903.69173.0042
H72.17041.10302.17063.36762.38642.56071.77822.51482.49543.4316
H82.08661.09632.13972.65752.92762.30871.77822.47443.05632.6813
H93.38482.16911.09622.03453.76854.16902.51482.47441.77622.7963
H102.71462.15901.10522.08682.65373.69172.49543.05631.77622.4157
H112.21122.38721.90740.97612.77953.00423.43162.68132.79632.4157

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.865 N1 C2 H7 114.156
N1 C2 H8 107.796 C2 N1 H5 109.762
C2 N1 H6 110.581 C2 C3 O4 110.373
C2 C3 H9 110.778 C2 C3 H10 109.450
C3 C2 H7 110.495 C3 C2 H8 108.466
C3 O4 H11 104.249 O4 C3 H9 107.482
O4 C3 H10 111.129 H5 N1 H6 106.353
H7 C2 H8 107.902 H9 C3 H10 107.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability