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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-170.814541
Energy at 298.15K-170.820915
HF Energy-170.814541
Nuclear repulsion energy80.537557
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/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 3624 3574 3.45      
2 A 3500 3452 1.68      
3 A 3481 3433 4.19      
4 A 3083 3041 30.13      
5 A 2978 2937 70.81      
6 A 1668 1645 35.83      
7 A 1484 1463 1.01      
8 A 1390 1371 19.71      
9 A 1349 1330 4.74      
10 A 1316 1298 5.12      
11 A 1150 1134 77.03      
12 A 1091 1076 15.36      
13 A 878 866 22.78      
14 A 857 845 198.93      
15 A 575 567 222.63      
16 A 440 434 76.75      
17 A 420 414 138.66      
18 A 294 290 129.34      

Unscaled Zero Point Vibrational Energy (zpe) 14788.6 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 14584.6 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 PBEPBE/6-31G
ABC
1.27937 0.30029 0.27228

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.224 -0.184 -0.027
C2 -0.008 0.537 0.048
O3 -1.257 -0.255 -0.109
H4 1.423 -0.663 -0.902
H5 1.539 -0.683 0.803
H6 -0.029 1.095 1.003
H7 -0.081 1.251 -0.784
H8 -1.313 -0.893 0.647

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.42992.48401.01761.01752.06572.08262.7188
C21.42991.48702.09552.10971.10631.09932.0260
O32.48401.48702.82532.97252.13692.02680.9912
H41.01762.09552.82531.70932.97142.43693.1526
H51.01752.10972.97251.70932.37882.98022.8638
H62.06571.10632.13692.97142.37881.79482.3931
H72.08261.09932.02682.43692.98021.79482.8574
H82.71882.02600.99123.15262.86382.39312.8574

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.760 N1 C2 H6 108.401
N1 C2 H7 110.180 C2 N1 H4 116.776
C2 N1 H5 118.112 C2 O3 H8 108.004
O3 C2 H6 110.112 O3 C2 H7 102.158
H4 N1 H5 114.264 H6 C2 H7 108.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.674      
2 C -0.016      
3 O -0.563      
4 H 0.302      
5 H 0.292      
6 H 0.150      
7 H 0.182      
8 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.319 -1.219 1.428 2.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.596 -1.634 -2.016
y -1.634 -17.248 -1.350
z -2.016 -1.350 -16.511
Traceless
 xyz
x -5.717 -1.634 -2.016
y -1.634 2.306 -1.350
z -2.016 -1.350 3.410
Polar
3z2-r26.821
x2-y2-5.348
xy-1.634
xz-2.016
yz-1.350


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.771 -0.073 -0.079
y -0.073 3.043 -0.259
z -0.079 -0.259 3.254


<r2> (average value of r2) Å2
<r2> 51.563
(<r2>)1/2 7.181