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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

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

Conformer 2 (C1 OH out)

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

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-210.009545
Energy at 298.15K-210.018714
HF Energy-209.184094
Nuclear repulsion energy134.377860
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(T)=FULL/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 3770 3604        
2 A 3602 3443        
3 A 3508 3354        
4 A 3111 2974        
5 A 3100 2963        
6 A 3012 2880        
7 A 2988 2857        
8 A 1657 1584        
9 A 1529 1462        
10 A 1511 1444        
11 A 1473 1408        
12 A 1432 1369        
13 A 1396 1334        
14 A 1341 1282        
15 A 1267 1211        
16 A 1205 1152        
17 A 1122 1073        
18 A 1074 1027        
19 A 1019 974        
20 A 955 913        
21 A 890 851        
22 A 847 810        
23 A 570 545        
24 A 533 510        
25 A 330 316        
26 A 261 250        
27 A 186 178        

Unscaled Zero Point Vibrational Energy (zpe) 21843.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 20882.8 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 CCSD(T)=FULL/TZVP
ABC
0.48367 0.18606 0.15340

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.368 -0.564 0.122
C2 -0.633 0.646 -0.283
C3 0.780 0.556 0.278
O4 1.422 -0.627 -0.171
H5 -1.653 -0.490 1.094
H6 -2.212 -0.673 -0.428
H7 -1.104 1.583 0.042
H8 -0.573 0.650 -1.374
H9 1.380 1.404 -0.059
H10 0.738 0.587 1.378
H11 0.735 -1.307 -0.106

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47242.42722.80561.01591.01372.16502.08373.38422.70822.2420
C21.47241.52292.41952.05592.06261.09861.09292.16202.15422.3908
C32.42721.52291.41892.77093.31082.15912.13841.09211.10101.9024
O42.80562.41951.41893.32793.64333.36342.65692.03422.08390.9683
H51.01592.05592.77093.32791.63212.38862.92503.75672.63712.7951
H61.01372.06263.31083.64331.63212.55712.30824.16523.68103.0320
H72.16501.09862.15913.36342.38862.55711.77762.49252.48393.4292
H82.08371.09292.13842.65692.92502.30821.77762.47263.04952.6738
H93.38422.16201.09212.03423.75674.16522.49252.47261.77372.7864
H102.70822.15421.10102.08392.63713.68102.48393.04951.77372.4060
H112.24202.39081.90240.96832.79513.03203.42922.67382.78642.4060

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 108.244 N1 C2 H7 113.932
N1 C2 H8 107.715 C2 N1 H5 110.072
C2 N1 H6 110.774 C2 C3 O4 110.614
C2 C3 H9 110.455 C2 C3 H10 109.315
C3 C2 H7 109.845 C3 C2 H8 108.555
C3 O4 H11 104.076 O4 C3 H9 107.503
O4 C3 H10 110.951 H5 N1 H6 107.056
H7 C2 H8 108.411 H9 C3 H10 107.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability