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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-171.083722
Energy at 298.15K-171.090309
HF Energy-171.083722
Nuclear repulsion energy81.991734
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/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 3801 3652 7.34      
2 A 3583 3443 0.37      
3 A 3495 3358 0.67      
4 A 3113 2991 34.43      
5 A 3027 2908 68.64      
6 A 1679 1613 21.89      
7 A 1516 1457 0.30      
8 A 1433 1377 43.60      
9 A 1395 1340 0.79      
10 A 1381 1327 5.14      
11 A 1166 1120 23.04      
12 A 1104 1061 26.02      
13 A 1014 974 239.76      
14 A 913 877 3.72      
15 A 835 803 162.25      
16 A 475 457 48.51      
17 A 421 404 110.77      
18 A 301 289 68.08      

Unscaled Zero Point Vibrational Energy (zpe) 15326.0 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 14725.2 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/6-31G**
ABC
1.28650 0.31656 0.28480

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.233 -0.158 -0.021
C2 -0.031 0.534 0.048
O3 -1.205 -0.263 -0.116
H4 1.275 -0.717 -0.869
H5 1.347 -0.793 0.766
H6 -0.062 1.087 0.997
H7 -0.076 1.259 -0.770
H8 -1.286 -0.832 0.662

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44252.44161.01711.01732.06432.06902.6951
C21.44251.42852.02842.04411.09891.09331.9541
O32.44161.42852.63152.75182.09002.00480.9669
H41.01712.02842.63151.63782.92002.39622.9861
H51.01732.04412.75181.63782.36112.93162.6359
H62.06431.09892.09002.92002.36111.77522.3006
H72.06901.09332.00482.39622.93161.77522.8082
H82.69511.95410.96692.98612.63592.30062.8082

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.517 N1 C2 H6 107.865
N1 C2 H7 108.570 C2 N1 H4 109.897
C2 N1 H5 111.224 C2 O3 H8 107.773
O3 C2 H6 110.896 O3 C2 H7 104.526
H4 N1 H5 107.230 H6 C2 H7 108.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.580      
2 C 0.131      
3 O -0.529      
4 H 0.244      
5 H 0.231      
6 H 0.094      
7 H 0.120      
8 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.254 -1.215 1.272 1.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.190 -1.428 -1.952
y -1.428 -16.928 -1.355
z -1.952 -1.355 -16.579
Traceless
 xyz
x -6.436 -1.428 -1.952
y -1.428 2.956 -1.355
z -1.952 -1.355 3.480
Polar
3z2-r26.960
x2-y2-6.262
xy-1.428
xz-1.952
yz-1.355


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.469 -0.118 -0.099
y -0.118 3.284 -0.194
z -0.099 -0.194 3.378


<r2> (average value of r2) Å2
<r2> 49.699
(<r2>)1/2 7.050