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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-170.877445
Energy at 298.15K-170.883988
HF Energy-170.877445
Nuclear repulsion energy81.557176
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 PBEPBE/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 3690 3639 3.65      
2 A 3502 3454 0.28      
3 A 3410 3363 1.31      
4 A 3042 3000 31.16      
5 A 2950 2910 67.97      
6 A 1630 1607 18.92      
7 A 1460 1440 0.12      
8 A 1385 1366 39.52      
9 A 1352 1333 1.71      
10 A 1339 1320 1.52      
11 A 1138 1122 20.60      
12 A 1083 1068 20.63      
13 A 974 961 227.99      
14 A 885 873 3.97      
15 A 811 800 162.59      
16 A 462 455 48.27      
17 A 425 419 110.52      
18 A 302 298 59.57      

Unscaled Zero Point Vibrational Energy (zpe) 14918.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 14714.3 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 PBEPBE/6-31G**
ABC
1.27972 0.31269 0.28184

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.241 -0.157 -0.022
C2 -0.029 0.533 0.048
O3 -1.214 -0.262 -0.116
H4 1.267 -0.731 -0.871
H5 1.348 -0.798 0.770
H6 -0.053 1.095 1.003
H7 -0.076 1.262 -0.778
H8 -1.282 -0.830 0.674

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44662.45891.02511.02512.07152.07752.7020
C21.44661.43652.03062.04691.10821.10211.9544
O32.45891.43652.63592.76392.10742.01380.9755
H41.02512.03062.63591.64472.93072.40532.9823
H51.02512.04692.76391.64472.36632.94382.6319
H62.07151.10822.10742.93072.36631.78842.3073
H72.07751.10212.01382.40532.94381.78842.8174
H82.70201.95440.97552.98232.63192.30732.8174

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.043 N1 C2 H6 107.611
N1 C2 H7 108.439 C2 N1 H4 109.287
C2 N1 H5 110.653 C2 O3 H8 106.683
O3 C2 H6 111.162 O3 C2 H7 104.206
H4 N1 H5 106.677 H6 C2 H7 108.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.565      
2 C 0.050      
3 O -0.497      
4 H 0.247      
5 H 0.234      
6 H 0.109      
7 H 0.136      
8 H 0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.238 -1.252 1.238 1.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.159 -1.421 -1.858
y -1.421 -17.010 -1.332
z -1.858 -1.332 -16.639
Traceless
 xyz
x -6.335 -1.421 -1.858
y -1.421 2.889 -1.332
z -1.858 -1.332 3.445
Polar
3z2-r26.891
x2-y2-6.149
xy-1.421
xz-1.858
yz-1.332


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.686 -0.119 -0.107
y -0.119 3.411 -0.195
z -0.107 -0.195 3.489


<r2> (average value of r2) Å2
<r2> 50.095
(<r2>)1/2 7.078