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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-169.125355
Energy at 298.15K-169.131975
HF Energy-169.125355
Nuclear repulsion energy81.796860
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 HF/3-21G
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 3853 3489 3.66      
2 A 3810 3450 5.96      
3 A 3704 3355 1.92      
4 A 3312 2999 39.83      
5 A 3222 2918 73.35      
6 A 1850 1675 33.64      
7 A 1682 1523 0.57      
8 A 1555 1408 29.82      
9 A 1519 1376 0.50      
10 A 1469 1331 15.58      
11 A 1243 1126 32.52      
12 A 1153 1044 59.84      
13 A 1058 958 217.52      
14 A 967 876 5.51      
15 A 697 631 277.24      
16 A 474 429 72.86      
17 A 425 385 149.09      
18 A 320 290 121.56      

Unscaled Zero Point Vibrational Energy (zpe) 16156.5 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 14631.3 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 HF/3-21G
ABC
1.29566 0.31208 0.28091

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.217 -0.175 -0.022
C2 -0.029 0.539 0.051
O3 -1.223 -0.257 -0.109
H4 1.392 -0.644 -0.890
H5 1.469 -0.723 0.778
H6 -0.056 1.073 0.992
H7 -0.076 1.251 -0.754
H8 -1.292 -0.913 0.599

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43812.44361.00151.00162.05092.05982.6882
C21.43811.44442.07452.08891.08221.07602.0010
O32.44361.44442.75692.87222.08442.00220.9671
H41.00152.07452.75691.67102.92992.40123.0811
H51.00162.08892.87221.67102.36552.93782.7730
H62.05091.08222.08442.92992.36551.75522.3722
H72.05981.07602.00222.40122.93781.75522.8272
H82.68822.00100.96713.08112.77302.37222.8272

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 115.930 N1 C2 H6 108.099
N1 C2 H7 109.185 C2 N1 H4 115.332
C2 N1 H5 116.652 C2 O3 H8 110.583
O3 C2 H6 110.347 O3 C2 H7 104.237
H4 N1 H5 113.059 H6 C2 H7 108.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.838      
2 C 0.122      
3 O -0.690      
4 H 0.315      
5 H 0.302      
6 H 0.196      
7 H 0.235      
8 H 0.359      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.875 -1.193 1.453 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.235 -1.528 -2.162
y -1.528 -16.470 -1.446
z -2.162 -1.446 -16.346
Traceless
 xyz
x -6.826 -1.528 -2.162
y -1.528 3.320 -1.446
z -2.162 -1.446 3.507
Polar
3z2-r27.013
x2-y2-6.764
xy-1.528
xz-2.162
yz-1.446


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.659 -0.111 -0.065
y -0.111 2.542 -0.256
z -0.065 -0.256 2.783


<r2> (average value of r2) Å2
<r2> 50.189
(<r2>)1/2 7.084