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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: B2PLYP=FULL/6-311G*

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/6-311G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at B2PLYP=FULL/6-311G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-210.230683
Energy at 298.15K-210.239915
HF Energy-209.996677
Nuclear repulsion energy134.841919
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/6-311G*
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 3715 3715 47.94      
2 A 3621 3621 0.83      
3 A 3534 3534 0.37      
4 A 3120 3120 53.20      
5 A 3110 3110 32.38      
6 A 3017 3017 85.47      
7 A 2982 2982 81.70      
8 A 1729 1729 40.00      
9 A 1546 1546 0.34      
10 A 1526 1526 7.58      
11 A 1478 1478 91.08      
12 A 1434 1434 8.19      
13 A 1400 1400 4.01      
14 A 1352 1352 2.24      
15 A 1279 1279 26.73      
16 A 1210 1210 13.49      
17 A 1124 1124 51.03      
18 A 1080 1080 31.31      
19 A 1027 1027 11.98      
20 A 955 955 82.45      
21 A 894 894 13.30      
22 A 849 849 79.84      
23 A 606 606 151.78      
24 A 542 542 12.75      
25 A 335 335 0.37      
26 A 275 275 14.43      
27 A 198 198 6.25      

Unscaled Zero Point Vibrational Energy (zpe) 21967.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21967.7 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/6-311G*
ABC
0.47866 0.19053 0.15523

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.350 -0.561 0.123
C2 -0.630 0.660 -0.271
C3 0.793 0.558 0.266
O4 1.392 -0.644 -0.169
H5 -1.662 -0.494 1.085
H6 -2.170 -0.702 -0.451
H7 -1.107 1.590 0.067
H8 -0.586 0.680 -1.361
H9 1.405 1.386 -0.096
H10 0.773 0.614 1.366
H11 0.688 -1.304 -0.096

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47042.42102.75851.01321.01112.16492.07993.37972.72622.1804
C21.47041.52422.40782.05712.06361.09841.09192.16742.15662.3715
C32.42101.52421.41142.79283.29852.17082.13681.09141.10161.8993
O42.75852.40781.41143.30463.57373.35972.66192.03042.07900.9676
H51.01322.05712.79283.30461.63072.38402.91853.78542.68982.7520
H61.01112.06363.29853.57371.63072.57912.29094.15493.70092.9427
H72.16491.09842.17083.35972.38402.57911.77222.52502.48463.4091
H82.07991.09192.13682.66192.91852.29091.77222.46223.04852.6760
H93.37972.16741.09142.03043.78544.15492.52502.46221.77012.7830
H102.72622.15661.10162.07902.68983.70092.48463.04851.77012.4131
H112.18042.37151.89930.96762.75202.94273.40912.67602.78302.4131

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.876 N1 C2 H7 114.078
N1 C2 H8 107.612 C2 N1 H5 110.488
C2 N1 H6 111.168 C2 C3 O4 110.152
C2 C3 H9 110.834 C2 C3 H10 109.381
C3 C2 H7 110.685 C3 C2 H8 108.400
C3 O4 H11 104.397 O4 C3 H9 107.754
O4 C3 H10 111.048 H5 N1 H6 107.329
H7 C2 H8 108.018 H9 C3 H10 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability