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All results from a given calculation for HOCH2CH2NH2 (monoethanolamine)

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

Conformer 2 (C1 OH out)

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

Conformer 3 (C1 OH in)

Jump to S1C1 S1C2
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-209.818276
Energy at 298.15K 
HF Energy-209.121962
Nuclear repulsion energy134.248308
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 QCISD/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD/cc-pVDZ
ABC
0.47746 0.18840 0.15416

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.351 -0.574 0.118
C2 -0.635 0.655 -0.275
C3 0.790 0.555 0.272
O4 1.406 -0.637 -0.173
H5 -1.639 -0.489 1.098
H6 -2.223 -0.648 -0.411
H7 -1.117 1.596 0.065
H8 -0.585 0.677 -1.379
H9 1.400 1.407 -0.078
H10 0.756 0.608 1.385
H11 0.692 -1.293 -0.106

Atom - Atom Distances (Å)
  N1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11
N11.47532.42592.77281.02481.02242.18362.09573.39612.72832.1782
C21.47531.53042.41732.04982.05831.11121.10542.17912.16712.3631
C32.42591.53041.41322.77013.31592.18302.15311.10491.11501.8889
O42.77282.41731.41323.30213.63653.37752.67322.04632.09720.9712
H51.02482.04982.77013.30211.62592.38552.93363.77032.64992.7443
H61.02242.05833.31593.63651.62592.54722.31824.17903.69873.0015
H72.18361.11122.18303.37752.38552.54721.79272.52832.49613.4135
H82.09571.10542.15312.67322.93362.31821.79272.48413.07392.6707
H93.39612.17911.10492.04633.77034.17902.52832.48411.78762.7915
H102.72832.16711.11502.09722.64993.69872.49613.07391.78762.4171
H112.17822.36311.88890.97122.74433.00153.41352.67072.79152.4171

picture of monoethanolamine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 107.612 N1 C2 H7 114.449
N1 C2 H8 107.737 C2 N1 H5 108.810
C2 N1 H6 109.663 C2 C3 O4 110.349
C2 C3 H9 110.526 C2 C3 H10 109.000
C3 C2 H7 110.453 C3 C2 H8 108.467
C3 O4 H11 103.220 O4 C3 H9 108.086
O4 C3 H10 111.561 H5 N1 H6 105.158
H7 C2 H8 107.952 H9 C3 H10 107.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability