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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 OH out 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-210.402477
Energy at 298.15K-210.411116
HF Energy-210.402477
Nuclear repulsion energy130.720602
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 TPSSh/6-31G(2df,p)
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' 3799 3666 14.34      
2 A' 3453 3332 1.76      
3 A' 3046 2939 36.76      
4 A' 2945 2842 69.91      
5 A' 1669 1611 16.38      
6 A' 1530 1477 2.87      
7 A' 1505 1453 1.52      
8 A' 1455 1404 2.74      
9 A' 1358 1311 5.40      
10 A' 1242 1198 58.37      
11 A' 1105 1066 3.34      
12 A' 1068 1030 88.05      
13 A' 1015 979 19.17      
14 A' 869 839 164.09      
15 A' 460 444 15.79      
16 A' 264 255 0.90      
17 A" 3532 3408 0.40      
18 A" 3092 2984 37.28      
19 A" 2973 2869 71.00      
20 A" 1382 1334 0.13      
21 A" 1308 1262 1.42      
22 A" 1204 1162 1.19      
23 A" 996 961 0.03      
24 A" 781 754 0.19      
25 A" 298 288 72.91      
26 A" 251 242 71.90      
27 A" 130 125 6.72      

Unscaled Zero Point Vibrational Energy (zpe) 21364.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20616.5 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 TPSSh/6-31G(2df,p)
ABC
0.93736 0.12878 0.12047

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.341 1.342 0.000
C2 0.000 0.764 0.000
C3 0.047 -0.767 0.000
O4 1.409 -1.161 0.000
H5 -1.861 1.033 0.816
H6 -1.861 1.033 -0.816
H7 0.542 1.131 -0.879
H8 0.542 1.131 0.879
H9 -0.490 -1.144 -0.888
H10 -0.490 -1.144 0.888
H11 1.452 -2.122 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46042.52423.71851.01541.01542.08852.08852.77302.77304.4497
C21.46041.53132.38542.04962.04961.09551.09552.16022.16023.2306
C32.52421.53131.41842.74642.74642.14882.14881.10371.10371.9524
O43.71852.38541.41844.02134.02132.60302.60302.09652.09650.9621
H51.01542.04962.74644.02131.63172.94172.40543.08532.57324.6470
H61.01542.04962.74644.02131.63172.40542.94172.57323.08534.6470
H72.08851.09552.14882.60302.94172.40541.75732.49723.05893.4901
H82.08851.09552.14882.60302.40542.94171.75733.05892.49723.4901
H92.77302.16021.10372.09653.08532.57322.49723.05891.77592.3489
H102.77302.16021.10372.09652.57323.08533.05892.49721.77592.3489
H114.44973.23061.95240.96214.64704.64703.49013.49012.34892.3489

picture of monoethanolamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.057 N1 C2 H7 108.760
N1 C2 H8 108.760 C2 N1 H5 110.468
C2 N1 H6 110.468 C2 C3 O4 107.878
C2 C3 H9 109.049 C2 C3 H10 109.049
C3 C2 H7 108.642 C3 C2 H8 108.642
C3 O4 H11 108.688 O4 C3 H9 111.847
O4 C3 H10 111.847 H5 N1 H6 106.915
H7 C2 H8 106.660 H9 C3 H10 107.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 OH out)

Jump to S1C1
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-210.404727
Energy at 298.15K-210.413477
HF Energy-210.404727
Nuclear repulsion energy133.593229
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 TPSSh/6-31G(2df,p)
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 3804 3671 18.97      
2 A 3530 3406 0.97      
3 A 3452 3331 2.39      
4 A 3082 2974 36.68      
5 A 3037 2931 54.66      
6 A 2988 2884 64.42      
7 A 2954 2851 67.52      
8 A 1673 1614 17.07      
9 A 1521 1468 3.76      
10 A 1487 1435 1.41      
11 A 1441 1391 3.02      
12 A 1399 1350 0.77      
13 A 1382 1334 14.14      
14 A 1292 1247 36.74      
15 A 1249 1205 11.45      
16 A 1159 1118 5.64      
17 A 1131 1091 9.01      
18 A 1080 1042 75.02      
19 A 1009 974 15.38      
20 A 934 901 137.68      
21 A 864 834 30.79      
22 A 827 798 21.26      
23 A 496 479 18.41      
24 A 339 327 30.04      
25 A 273 264 27.93      
26 A 226 218 81.93      
27 A 165 159 12.51      

Unscaled Zero Point Vibrational Energy (zpe) 21396.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20647.6 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 TPSSh/6-31G(2df,p)
ABC
0.49039 0.18012 0.14994

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.530 -0.530 0.078
C2 -0.686 0.604 -0.291
C3 0.733 0.573 0.279
O4 1.341 -0.619 -0.195
H5 -1.658 -0.551 1.086
H6 -1.041 -1.386 -0.166
H7 -1.175 1.533 0.024
H8 -0.614 0.631 -1.385
H9 1.287 1.471 -0.043
H10 0.683 0.588 1.381
H11 2.220 -0.688 0.188

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.46072.52552.88531.01661.01622.09352.07933.45742.80173.7552
C21.46071.52922.36922.04312.02541.09621.09632.16922.16153.2163
C32.52551.52921.42042.76232.68022.15092.14151.10311.10341.9526
O42.88532.36921.42043.26182.50223.31832.60772.09682.09200.9617
H51.01662.04312.76233.26181.62672.38802.93073.74642.62063.9830
H61.01622.02542.68022.50221.62672.92842.39503.68753.04403.3534
H72.09351.09622.15093.31832.38802.92841.76412.46382.48794.0607
H82.07931.09632.14152.60772.93072.39501.76412.47403.05563.4998
H93.45742.16921.10312.09683.74643.68752.46382.47401.78112.3640
H102.80172.16151.10342.09202.62063.04402.48793.05561.78112.3270
H113.75523.21631.95260.96173.98303.35344.06073.49982.36402.3270

picture of monoethanolamine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.254 N1 C2 H7 109.097
N1 C2 H8 107.974 C2 N1 H5 109.826
C2 N1 H6 108.381 C2 C3 O4 106.821
C2 C3 H9 109.930 C2 C3 H10 109.311
C3 C2 H7 108.903 C3 C2 H8 108.171
C3 O4 H11 108.574 O4 C3 H9 111.766
O4 C3 H10 111.357 H5 N1 H6 106.305
H7 C2 H8 107.144 H9 C3 H10 107.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability