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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: MP3/TZVP

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 MP3/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at MP3/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-209.905494
Energy at 298.15K-209.914704
HF Energy-209.185076
Nuclear repulsion energy134.706804
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 MP3/TZVP
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 3867 3617 57.59      
2 A 3670 3432 2.72      
3 A 3580 3348 0.58      
4 A 3158 2953 42.16      
5 A 3146 2943 29.38      
6 A 3064 2865 64.74      
7 A 3039 2842 59.66      
8 A 1681 1572 34.91      
9 A 1548 1448 1.56      
10 A 1530 1431 4.59      
11 A 1496 1399 56.76      
12 A 1452 1358 14.91      
13 A 1418 1326 5.96      
14 A 1361 1273 2.47      
15 A 1286 1203 23.75      
16 A 1225 1146 7.48      
17 A 1152 1077 53.02      
18 A 1100 1029 28.04      
19 A 1032 965 13.87      
20 A 967 904 67.84      
21 A 906 847 16.27      
22 A 857 802 78.80      
23 A 568 531 125.77      
24 A 537 502 29.37      
25 A 333 311 0.79      
26 A 267 249 15.68      
27 A 188 176 6.23      

Unscaled Zero Point Vibrational Energy (zpe) 22213.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 20773.8 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 MP3/TZVP
ABC
0.48826 0.18613 0.15368

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.370 -0.561 0.121
C2 -0.632 0.643 -0.280
C3 0.780 0.552 0.276
O4 1.421 -0.623 -0.170
H5 -1.659 -0.490 1.088
H6 -2.205 -0.673 -0.434
H7 -1.099 1.578 0.046
H8 -0.574 0.652 -1.369
H9 1.375 1.400 -0.061
H10 0.740 0.585 1.373
H11 0.751 -1.310 -0.102

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46732.42572.80701.01141.00932.15732.07903.37792.70732.2599
C21.46731.52062.41482.05162.05671.09541.09022.15632.14912.3991
C32.42571.52061.41132.77373.30432.15322.13321.08931.09801.9000
O42.80702.41481.41133.33003.63673.35322.65402.02692.07500.9623
H51.01142.05162.77373.33001.62682.38272.91813.75442.64402.8094
H61.00932.05673.30433.63671.62682.55432.30024.15403.67703.0420
H72.15731.09542.15323.35322.38272.55431.77122.48212.47523.4327
H82.07901.09022.13322.65402.91812.30021.77122.46383.04122.6847
H93.37792.15631.08932.02693.75444.15402.48212.46381.76732.7813
H102.70732.14911.09802.07502.64403.67702.47523.04121.76732.4009
H112.25992.39911.90000.96232.80943.04203.43272.68472.78132.4009

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.537 N1 C2 H7 113.875
N1 C2 H8 107.853 C2 N1 H5 110.370
C2 N1 H6 110.941 C2 C3 O4 110.843
C2 C3 H9 110.324 C2 C3 H10 109.248
C3 C2 H7 109.715 C3 C2 H8 108.457
C3 O4 H11 104.767 O4 C3 H9 107.611
O4 C3 H10 110.958 H5 N1 H6 107.237
H7 C2 H8 108.264 H9 C3 H10 107.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability