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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-168.597087
Energy at 298.15K-168.603457
HF Energy-168.597087
Nuclear repulsion energy78.839367
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/STO-3G
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 3551 3244 48.93      
2 A 3538 3232 15.88      
3 A 3351 3062 24.76      
4 A 3323 3036 2.64      
5 A 3183 2908 18.76      
6 A 1821 1664 3.02      
7 A 1579 1443 0.60      
8 A 1543 1410 11.62      
9 A 1456 1330 1.39      
10 A 1424 1301 19.87      
11 A 1203 1099 0.18      
12 A 1170 1069 9.86      
13 A 1047 956 64.18      
14 A 913 835 9.61      
15 A 871 796 80.10      
16 A 431 394 62.92      
17 A 408 373 48.90      
18 A 327 299 33.05      

Unscaled Zero Point Vibrational Energy (zpe) 15569.4 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 14224.2 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 PBEPBE/STO-3G
ABC
1.18638 0.29374 0.26403

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.308 -0.155 -0.016
C2 -0.045 0.559 0.054
O3 -1.247 -0.275 -0.130
H4 1.225 -0.752 -0.904
H5 1.238 -0.912 0.742
H6 -0.055 1.119 1.026
H7 -0.067 1.295 -0.785
H8 -1.247 -0.821 0.755

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.53102.56021.07291.07402.13702.14082.7506
C21.53101.47472.06152.06951.12231.11641.9598
O32.56021.47472.63442.70982.16862.07041.0399
H41.07292.06152.63441.65432.97762.42382.9785
H51.07402.06952.70981.65432.42392.98442.4869
H62.13701.12232.16862.97762.42391.82042.2930
H72.14081.11642.07042.42382.98441.82042.8707
H82.75061.95981.03992.97852.48692.29302.8707

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.794 N1 C2 H6 106.272
N1 C2 H7 106.884 C2 N1 H4 103.282
C2 N1 H5 103.816 C2 O3 H8 100.982
O3 C2 H6 112.531 O3 C2 H7 105.233
H4 N1 H5 100.806 H6 C2 H7 108.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.353      
2 C -0.027      
3 O -0.227      
4 H 0.151      
5 H 0.140      
6 H 0.072      
7 H 0.086      
8 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.491 -1.165 0.930 1.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.192 -1.301 -1.572
y -1.301 -15.768 -0.908
z -1.572 -0.908 -15.741
Traceless
 xyz
x -6.437 -1.301 -1.572
y -1.301 3.198 -0.908
z -1.572 -0.908 3.239
Polar
3z2-r26.478
x2-y2-6.423
xy-1.301
xz-1.572
yz-0.908


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.016 -0.027 -0.126
y -0.027 1.884 -0.265
z -0.126 -0.265 2.029


<r2> (average value of r2) Å2
<r2> 51.614
(<r2>)1/2 7.184