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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-170.944903
Energy at 298.15K-170.951415
HF Energy-170.944903
Nuclear repulsion energy81.533657
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/TZVP
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 3687 3646 9.22      
2 A 3518 3478 1.88      
3 A 3428 3389 0.63      
4 A 3040 3006 25.22      
5 A 2955 2922 57.82      
6 A 1622 1604 30.30      
7 A 1444 1428 0.27      
8 A 1380 1365 32.54      
9 A 1343 1328 2.13      
10 A 1320 1306 2.52      
11 A 1131 1118 32.15      
12 A 1071 1059 27.39      
13 A 929 919 234.29      
14 A 885 875 3.57      
15 A 759 750 175.89      
16 A 465 459 55.82      
17 A 418 414 93.80      
18 A 293 289 74.33      

Unscaled Zero Point Vibrational Energy (zpe) 14843.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 14677.3 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 PBEPBE/TZVP
ABC
1.28487 0.31144 0.28106

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.233 -0.161 -0.023
C2 -0.024 0.533 0.048
O3 -1.220 -0.260 -0.115
H4 1.310 -0.711 -0.880
H5 1.390 -0.776 0.777
H6 -0.054 1.084 1.005
H7 -0.076 1.260 -0.773
H8 -1.292 -0.846 0.659

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43832.45701.02081.02052.06462.07292.7038
C21.43831.44452.04722.06081.10401.09831.9706
O32.45701.44452.68182.80652.10302.01410.9732
H41.02082.04722.68181.65932.93832.41203.0265
H51.02052.06082.80651.65932.36612.94922.6863
H62.06461.10402.10302.93832.36611.78682.3195
H72.07291.09832.01412.41202.94921.78682.8229
H82.70381.97060.97323.02652.68632.31952.8229

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.917 N1 C2 H6 107.877
N1 C2 H7 108.867 C2 N1 H4 111.580
C2 N1 H5 112.778 C2 O3 H8 107.579
O3 C2 H6 110.502 O3 C2 H7 103.922
H4 N1 H5 108.749 H6 C2 H7 108.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.392      
2 C -0.160      
3 O -0.346      
4 H 0.202      
5 H 0.196      
6 H 0.123      
7 H 0.139      
8 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.528 -1.157 1.306 1.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.907 -1.589 -2.007
y -1.589 -17.665 -1.425
z -2.007 -1.425 -16.969
Traceless
 xyz
x -6.590 -1.589 -2.007
y -1.589 2.773 -1.425
z -2.007 -1.425 3.818
Polar
3z2-r27.636
x2-y2-6.242
xy-1.589
xz-2.007
yz-1.425


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.510 -0.036 -0.099
y -0.036 4.004 -0.134
z -0.099 -0.134 3.893


<r2> (average value of r2) Å2
<r2> 50.635
(<r2>)1/2 7.116