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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: MP4/cc-pVDZ

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 MP4/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1 S1C3
Vibrational Frequencies calculated at MP4/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-209.834832
Energy at 298.15K-209.844070
HF Energy-209.121170
Nuclear repulsion energy134.211247
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 MP4/cc-pVDZ
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 3733 3609        
2 A 3572 3454        
3 A 3481 3365        
4 A 3106 3003        
5 A 3096 2993        
6 A 3008 2908        
7 A 2963 2865        
8 A 1647 1593        
9 A 1510 1460        
10 A 1491 1442        
11 A 1470 1421        
12 A 1415 1368        
13 A 1378 1333        
14 A 1331 1287        
15 A 1262 1220        
16 A 1194 1155        
17 A 1128 1091        
18 A 1076 1041        
19 A 1024 990        
20 A 967 935        
21 A 897 867        
22 A 853 824        
23 A 594 574        
24 A 540 522        
25 A 332 321        
26 A 280 271        
27 A 201 195        

Unscaled Zero Point Vibrational Energy (zpe) 21773.4 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 21052.7 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 MP4/cc-pVDZ
ABC
0.47341 0.18974 0.15459

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.344 -0.577 0.118
C2 -0.635 0.660 -0.274
C3 0.793 0.558 0.271
O4 1.398 -0.644 -0.173
H5 -1.629 -0.491 1.100
H6 -2.220 -0.649 -0.407
H7 -1.120 1.601 0.070
H8 -0.588 0.684 -1.379
H9 1.407 1.406 -0.085
H10 0.760 0.616 1.386
H11 0.667 -1.284 -0.108

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47832.42412.75791.02651.02402.18932.09823.39712.73062.1435
C21.47831.53222.41752.05002.05971.11251.10652.18262.16892.3460
C32.42411.53221.41632.76693.31572.18782.15521.10611.11671.8848
O42.75792.41751.41633.28743.62543.38152.67602.05162.10270.9741
H51.02652.05002.76693.28741.62682.38682.93503.77162.64912.7132
H61.02402.05973.31573.62541.62682.54942.32074.18123.70082.9709
H72.18931.11252.18783.38152.38682.54941.79572.53912.49683.3979
H82.09821.10652.15522.67602.93502.32071.79572.48513.07672.6576
H93.39712.18261.10612.05163.77164.18122.53912.48511.79042.7904
H102.73062.16891.11672.10272.64913.70082.49683.07671.79042.4189
H112.14352.34601.88480.97412.71322.97093.39792.65762.79042.4189

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.251 N1 C2 H7 114.617
N1 C2 H8 107.669 C2 N1 H5 108.513
C2 N1 H6 109.459 C2 C3 O4 110.089
C2 C3 H9 110.604 C2 C3 H10 108.916
C3 C2 H7 110.630 C3 C2 H8 108.451
C3 O4 H11 102.511 O4 C3 H9 108.220
O4 C3 H10 111.672 H5 N1 H6 104.997
H7 C2 H8 108.041 H9 C3 H10 107.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability