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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-171.029429
Energy at 298.15K-171.036002
HF Energy-171.029429
Nuclear repulsion energy82.331700
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 B3PW91/6-31G(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 3847 3698 14.08      
2 A 3608 3469 1.67      
3 A 3521 3385 0.35      
4 A 3101 2981 30.48      
5 A 3019 2902 62.47      
6 A 1667 1602 21.59      
7 A 1499 1441 0.05      
8 A 1426 1371 39.48      
9 A 1388 1334 1.05      
10 A 1378 1325 3.63      
11 A 1171 1125 22.86      
12 A 1115 1072 24.78      
13 A 1030 990 213.62      
14 A 910 875 3.32      
15 A 832 800 150.92      
16 A 478 460 45.05      
17 A 405 389 98.43      
18 A 293 282 57.10      

Unscaled Zero Point Vibrational Energy (zpe) 15342.9 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 14750.7 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 B3PW91/6-31G(2df,p)
ABC
1.29391 0.31977 0.28750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.227 -0.156 -0.022
C2 -0.034 0.532 0.047
O3 -1.198 -0.263 -0.114
H4 1.267 -0.721 -0.864
H5 1.345 -0.784 0.766
H6 -0.065 1.087 0.995
H7 -0.080 1.258 -0.771
H8 -1.268 -0.838 0.654

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43822.42971.01461.01442.06122.06642.6738
C21.43821.41882.02252.03691.09971.09451.9408
O32.42971.41882.61722.74102.08311.99870.9611
H41.01462.02252.61721.63292.91512.39592.9570
H51.01442.03692.74101.63292.35372.92612.6162
H62.06121.09972.08312.91512.35371.77422.2960
H72.06641.09451.99872.39592.92611.77422.7984
H82.67381.94080.96112.95702.61622.29602.7984

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.520 N1 C2 H6 107.877
N1 C2 H7 108.593 C2 N1 H4 109.885
C2 N1 H5 111.129 C2 O3 H8 107.718
O3 C2 H6 110.977 O3 C2 H7 104.622
H4 N1 H5 107.175 H6 C2 H7 107.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.542      
2 C -0.063      
3 O -0.437      
4 H 0.252      
5 H 0.241      
6 H 0.119      
7 H 0.143      
8 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.250 -1.168 1.186 1.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.806 -1.327 -1.767
y -1.327 -16.867 -1.336
z -1.767 -1.336 -16.373
Traceless
 xyz
x -6.186 -1.327 -1.767
y -1.327 2.723 -1.336
z -1.767 -1.336 3.463
Polar
3z2-r26.926
x2-y2-5.939
xy-1.327
xz-1.767
yz-1.336


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.678 -0.117 -0.089
y -0.117 3.505 -0.145
z -0.089 -0.145 3.493


<r2> (average value of r2) Å2
<r2> 49.225
(<r2>)1/2 7.016