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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-170.909323
Energy at 298.15K-170.915771
HF Energy-170.909323
Nuclear repulsion energy81.338338
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/aug-cc-pVDZ
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 3664 12.71      
2 A 3504 3482 2.53      
3 A 3412 3391 1.90      
4 A 3046 3027 22.46      
5 A 2966 2948 50.57      
6 A 1596 1586 23.96      
7 A 1422 1414 0.43      
8 A 1356 1348 30.08      
9 A 1328 1319 2.56      
10 A 1300 1293 1.80      
11 A 1123 1117 40.26      
12 A 1072 1066 22.24      
13 A 936 931 220.58      
14 A 875 870 3.14      
15 A 761 756 145.65      
16 A 457 454 43.57      
17 A 394 391 79.24      
18 A 267 265 65.05      

Unscaled Zero Point Vibrational Energy (zpe) 14750.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 14660.5 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/aug-cc-pVDZ
ABC
1.27398 0.31062 0.28022

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 -0.161 -0.021
C2 -0.024 0.536 0.048
O3 -1.219 -0.263 -0.117
H4 1.303 -0.719 -0.878
H5 1.376 -0.790 0.776
H6 -0.060 1.089 1.009
H7 -0.076 1.263 -0.781
H8 -1.311 -0.832 0.669

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44292.46061.02501.02472.07542.08112.7239
C21.44291.44662.04812.06051.10951.10481.9773
O32.46061.44662.67372.79412.10712.01930.9747
H41.02502.04812.67371.65702.94792.41673.0394
H51.02472.06052.79411.65702.37612.95752.6886
H62.07541.10952.10712.94792.37611.79942.3171
H72.08111.10482.01932.41672.95751.79942.8315
H82.72391.97730.97473.03942.68862.31712.8315

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.763 N1 C2 H6 108.096
N1 C2 H7 108.814 C2 N1 H4 111.048
C2 N1 H5 112.129 C2 O3 H8 107.905
O3 C2 H6 110.350 O3 C2 H7 103.829
H4 N1 H5 107.888 H6 C2 H7 108.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.078      
2 C 1.044      
3 O -0.393      
4 H -0.048      
5 H -0.065      
6 H -0.249      
7 H -0.297      
8 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.434 -0.966 1.206 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.081 -1.555 -1.944
y -1.555 -18.086 -1.411
z -1.944 -1.411 -17.264
Traceless
 xyz
x -6.406 -1.555 -1.944
y -1.555 2.587 -1.411
z -1.944 -1.411 3.819
Polar
3z2-r27.639
x2-y2-5.995
xy-1.555
xz-1.944
yz-1.411


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 0.079 -0.082
y 0.079 4.853 -0.040
z -0.082 -0.040 4.480


<r2> (average value of r2) Å2
<r2> 50.951
(<r2>)1/2 7.138