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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-170.875184
Energy at 298.15K-170.881811
HF Energy-170.875184
Nuclear repulsion energy82.367320
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/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 3804 3615 11.02      
2 A 3618 3438 1.01      
3 A 3524 3349 0.47      
4 A 3152 2995 32.61      
5 A 3060 2907 67.00      
6 A 1713 1627 26.89      
7 A 1530 1454 0.10      
8 A 1448 1376 48.40      
9 A 1410 1340 1.43      
10 A 1400 1330 2.78      
11 A 1186 1127 30.58      
12 A 1136 1079 27.61      
13 A 1057 1004 235.69      
14 A 920 874 3.22      
15 A 861 818 170.66      
16 A 482 458 52.91      
17 A 430 409 119.96      
18 A 310 294 72.02      

Unscaled Zero Point Vibrational Energy (zpe) 15518.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 14747.6 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/6-31G*
ABC
1.29620 0.32017 0.28816

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.226 -0.156 -0.020
C2 -0.033 0.530 0.048
O3 -1.197 -0.262 -0.116
H4 1.269 -0.712 -0.870
H5 1.342 -0.792 0.763
H6 -0.064 1.083 0.998
H7 -0.077 1.257 -0.767
H8 -1.277 -0.832 0.661

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43532.42691.01621.01622.05752.06172.6800
C21.43531.41752.02042.03731.09931.09321.9432
O32.42691.41752.61772.73822.08211.99680.9665
H41.01622.02042.61771.63632.91312.38762.9729
H51.01622.03732.73821.63632.35492.92482.6204
H62.05751.09932.08212.91312.35491.77392.2914
H72.06171.09321.99682.38762.92481.77392.8003
H82.68001.94320.96652.97292.62042.29142.8003

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.573 N1 C2 H6 107.799
N1 C2 H7 108.491 C2 N1 H4 109.827
C2 N1 H5 111.257 C2 O3 H8 107.690
O3 C2 H6 111.010 O3 C2 H7 104.628
H4 N1 H5 107.247 H6 C2 H7 108.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.734      
2 C -0.019      
3 O -0.619      
4 H 0.324      
5 H 0.311      
6 H 0.159      
7 H 0.187      
8 H 0.391      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.209 -1.295 1.312 1.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.376 -1.483 -2.002
y -1.483 -16.860 -1.419
z -2.002 -1.419 -16.442
Traceless
 xyz
x -6.724 -1.483 -2.002
y -1.483 3.049 -1.419
z -2.002 -1.419 3.676
Polar
3z2-r27.351
x2-y2-6.515
xy-1.483
xz-2.002
yz-1.419


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.358 -0.121 -0.086
y -0.121 3.194 -0.183
z -0.086 -0.183 3.290


<r2> (average value of r2) Å2
<r2> 49.307
(<r2>)1/2 7.022