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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-34.527522
Energy at 298.15K-34.534050
HF Energy-34.527522
Nuclear repulsion energy48.959873
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 B3LYP/CEP-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 3782 3652 7.31      
2 A 3576 3454 0.38      
3 A 3483 3363 0.82      
4 A 3134 3027 40.45      
5 A 3048 2943 80.23      
6 A 1683 1625 28.71      
7 A 1493 1441 0.22      
8 A 1421 1372 48.88      
9 A 1376 1329 1.95      
10 A 1361 1315 4.11      
11 A 1148 1108 36.19      
12 A 1085 1048 31.39      
13 A 995 961 269.46      
14 A 899 869 3.28      
15 A 836 807 143.46      
16 A 464 448 44.57      
17 A 406 392 115.44      
18 A 293 283 84.76      

Unscaled Zero Point Vibrational Energy (zpe) 15241.2 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 14718.4 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 B3LYP/CEP-31G*
ABC
1.26184 0.30911 0.27847

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.248 -0.161 -0.017
C2 -0.029 0.541 0.049
O3 -1.218 -0.268 -0.121
H4 1.296 -0.711 -0.881
H5 1.352 -0.811 0.768
H6 -0.069 1.091 1.009
H7 -0.073 1.266 -0.779
H8 -1.324 -0.816 0.678

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.45892.46971.02461.02492.08652.08792.7436
C21.45891.44742.04662.06281.10661.10091.9786
O32.46971.44742.66332.77282.10692.02360.9747
H41.02462.04662.66331.65232.94602.40663.0507
H51.02492.06282.77281.65232.38672.95592.6779
H62.08651.10662.10692.94602.38671.79622.3063
H72.08791.10092.02362.40662.95591.79622.8323
H82.74361.97860.97473.05072.67792.30632.8323

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.377 N1 C2 H6 108.056
N1 C2 H7 108.498 C2 N1 H4 109.758
C2 N1 H5 111.099 C2 O3 H8 107.952
O3 C2 H6 110.448 O3 C2 H7 104.312
H4 N1 H5 107.454 H6 C2 H7 108.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.444      
2 C -0.391      
3 O -0.426      
4 H 0.273      
5 H 0.256      
6 H 0.176      
7 H 0.203      
8 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.271 -1.217 1.400 1.874
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.965 -1.699 -2.296
y -1.699 -16.940 -1.450
z -2.296 -1.450 -16.399
Traceless
 xyz
x -7.296 -1.699 -2.296
y -1.699 3.242 -1.450
z -2.296 -1.450 4.054
Polar
3z2-r28.107
x2-y2-7.025
xy-1.699
xz-2.296
yz-1.450


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.631 -0.077 -0.072
y -0.077 3.221 -0.187
z -0.072 -0.187 3.360


<r2> (average value of r2) Å2
<r2> 43.784
(<r2>)1/2 6.617