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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-170.863285
Energy at 298.15K-170.869846
HF Energy-170.863285
Nuclear repulsion energy81.502984
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 PBEPBEultrafine/6-31G*
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 3614 3554 2.61      
2 A 3475 3417 0.32      
3 A 3383 3327 1.78      
4 A 3053 3002 31.43      
5 A 2957 2909 69.08      
6 A 1659 1632 20.11      
7 A 1475 1451 0.10      
8 A 1397 1374 41.91      
9 A 1364 1342 1.73      
10 A 1351 1329 1.04      
11 A 1146 1127 18.66      
12 A 1089 1071 20.08      
13 A 978 962 241.01      
14 A 891 876 3.85      
15 A 833 819 158.41      
16 A 462 454 53.06      
17 A 429 422 109.17      
18 A 310 305 61.23      

Unscaled Zero Point Vibrational Energy (zpe) 14933.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 14687.1 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 PBEPBEultrafine/6-31G*
ABC
1.27779 0.31245 0.28166

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 -0.156 -0.023
C2 -0.029 0.533 0.048
O3 -1.215 -0.262 -0.116
H4 1.265 -0.732 -0.873
H5 1.347 -0.800 0.770
H6 -0.053 1.093 1.005
H7 -0.077 1.261 -0.778
H8 -1.281 -0.834 0.676

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44742.46001.02691.02692.07202.07782.7033
C21.44741.43692.03112.04801.10861.10211.9571
O32.46001.43692.63492.76392.10782.01280.9795
H41.02692.03112.63491.64632.93182.40502.9814
H51.02692.04802.76391.64632.36672.94522.6298
H62.07201.10862.10782.93182.36671.79082.3089
H72.07781.10212.01282.40502.94521.79082.8201
H82.70331.95710.97952.98142.62982.30892.8201

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.052 N1 C2 H6 107.576
N1 C2 H7 108.409 C2 N1 H4 109.168
C2 N1 H5 110.571 C2 O3 H8 106.639
O3 C2 H6 111.141 O3 C2 H7 104.111
H4 N1 H5 106.559 H6 C2 H7 108.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.671      
2 C -0.038      
3 O -0.568      
4 H 0.303      
5 H 0.290      
6 H 0.145      
7 H 0.172      
8 H 0.367      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.218 -1.294 1.261 1.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.369 -1.449 -1.882
y -1.449 -17.016 -1.367
z -1.882 -1.367 -16.614
Traceless
 xyz
x -6.554 -1.449 -1.882
y -1.449 2.975 -1.367
z -1.882 -1.367 3.578
Polar
3z2-r27.157
x2-y2-6.353
xy-1.449
xz-1.882
yz-1.367


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.637 -0.116 -0.105
y -0.116 3.357 -0.198
z -0.105 -0.198 3.441


<r2> (average value of r2) Å2
<r2> 50.162
(<r2>)1/2 7.083