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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-168.631470
Energy at 298.15K-168.637926
HF Energy-168.631470
Nuclear repulsion energy79.956041
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 PBE1PBE/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 3783 3337 36.35      
2 A 3743 3302 8.81      
3 A 3556 3137 13.29      
4 A 3451 3044 1.44      
5 A 3318 2927 14.00      
6 A 1881 1659 4.69      
7 A 1642 1448 0.35      
8 A 1600 1411 13.74      
9 A 1507 1329 1.24      
10 A 1486 1311 21.54      
11 A 1250 1102 0.49      
12 A 1208 1066 4.62      
13 A 1129 996 72.92      
14 A 949 837 14.41      
15 A 934 824 75.72      
16 A 455 401 40.16      
17 A 407 359 84.13      
18 A 328 289 36.28      

Unscaled Zero Point Vibrational Energy (zpe) 16313.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 14389.8 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 PBE1PBE/STO-3G
ABC
1.20448 0.30418 0.27258

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.279 -0.156 -0.014
C2 -0.044 0.556 0.054
O3 -1.226 -0.274 -0.129
H4 1.236 -0.724 -0.904
H5 1.238 -0.901 0.734
H6 -0.065 1.109 1.019
H7 -0.065 1.292 -0.773
H8 -1.230 -0.827 0.730

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.50392.51071.05611.05712.11542.11662.7024
C21.50391.45622.04792.05621.11261.10781.9436
O32.51071.45622.62012.68512.14032.05361.0214
H41.05612.04792.62011.64722.95812.40332.9601
H51.05712.05622.68511.64722.41232.96322.4696
H62.11541.11262.14032.95812.41231.80182.2786
H72.11661.10782.05362.40332.96321.80182.8477
H82.70241.94361.02142.96012.46962.27862.8477

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.027 N1 C2 H6 106.943
N1 C2 H7 107.301 C2 N1 H4 104.900
C2 N1 H5 105.488 C2 O3 H8 101.906
O3 C2 H6 112.165 O3 C2 H7 105.633
H4 N1 H5 102.430 H6 C2 H7 108.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.376      
2 C -0.007      
3 O -0.253      
4 H 0.159      
5 H 0.147      
6 H 0.075      
7 H 0.089      
8 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.388 -1.169 0.961 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.279 -1.370 -1.679
y -1.370 -15.695 -0.947
z -1.679 -0.947 -15.680
Traceless
 xyz
x -6.591 -1.370 -1.679
y -1.370 3.285 -0.947
z -1.679 -0.947 3.307
Polar
3z2-r26.613
x2-y2-6.584
xy-1.370
xz-1.679
yz-0.947


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.792 -0.033 -0.122
y -0.033 1.813 -0.271
z -0.122 -0.271 1.959


<r2> (average value of r2) Å2
<r2> 50.470
(<r2>)1/2 7.104