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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-171.025315
Energy at 298.15K-171.031940
HF Energy-171.025315
Nuclear repulsion energy82.362744
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 mPW1PW91/6-31G*
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 3809 3612 11.19      
2 A 3622 3435 0.95      
3 A 3529 3347 0.47      
4 A 3158 2995 33.55      
5 A 3066 2908 68.06      
6 A 1717 1628 27.03      
7 A 1536 1457 0.10      
8 A 1452 1377 47.40      
9 A 1414 1341 1.51      
10 A 1403 1330 3.34      
11 A 1187 1125 29.42      
12 A 1134 1075 27.59      
13 A 1054 999 240.48      
14 A 922 874 3.32      
15 A 861 816 170.66      
16 A 482 457 51.86      
17 A 429 407 119.91      
18 A 309 293 73.13      

Unscaled Zero Point Vibrational Energy (zpe) 15540.7 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 14737.2 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 mPW1PW91/6-31G*
ABC
1.29709 0.31987 0.28792

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.226 -0.156 -0.020
C2 -0.033 0.531 0.048
O3 -1.197 -0.262 -0.116
H4 1.273 -0.710 -0.869
H5 1.343 -0.792 0.763
H6 -0.064 1.082 0.997
H7 -0.076 1.256 -0.767
H8 -1.281 -0.829 0.661

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43562.42771.01521.01522.05702.06102.6836
C21.43561.41852.02122.03791.09771.09171.9449
O32.42771.41852.62072.73992.08101.99630.9657
H41.01522.02122.62071.63552.91222.38672.9792
H51.01522.03792.73991.63552.35512.92362.6262
H62.05701.09772.08102.91222.35511.77202.2904
H72.06101.09171.99632.38672.92361.77202.7995
H82.68361.94490.96572.97922.62622.29042.7995

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.553 N1 C2 H6 107.835
N1 C2 H7 108.505 C2 N1 H4 109.936
C2 N1 H5 111.352 C2 O3 H8 107.808
O3 C2 H6 110.946 O3 C2 H7 104.612
H4 N1 H5 107.322 H6 C2 H7 108.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.737      
2 C -0.013      
3 O -0.623      
4 H 0.324      
5 H 0.311      
6 H 0.159      
7 H 0.187      
8 H 0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.216 -1.282 1.318 1.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.324 -1.493 -2.024
y -1.493 -16.815 -1.419
z -2.024 -1.419 -16.388
Traceless
 xyz
x -6.722 -1.493 -2.024
y -1.493 3.041 -1.419
z -2.024 -1.419 3.681
Polar
3z2-r27.363
x2-y2-6.508
xy-1.493
xz-2.024
yz-1.419


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.348 -0.120 -0.086
y -0.120 3.173 -0.180
z -0.086 -0.180 3.273


<r2> (average value of r2) Å2
<r2> 49.300
(<r2>)1/2 7.021