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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-170.960550
Energy at 298.15K-170.967084
HF Energy-170.960550
Nuclear repulsion energy82.454115
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 PBE1PBE/aug-cc-pVTZ
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 3866 3717 25.42      
2 A 3632 3492 6.17      
3 A 3544 3408 2.34      
4 A 3116 2996 22.70      
5 A 3041 2924 49.78      
6 A 1662 1598 29.21      
7 A 1499 1442 0.25      
8 A 1418 1363 33.27      
9 A 1385 1332 1.40      
10 A 1367 1314 5.66      
11 A 1165 1120 46.06      
12 A 1115 1072 27.63      
13 A 1023 983 219.26      
14 A 906 871 3.53      
15 A 795 764 151.37      
16 A 482 463 46.33      
17 A 393 378 79.25      
18 A 271 261 74.46      

Unscaled Zero Point Vibrational Energy (zpe) 15339.8 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 14749.3 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 PBE1PBE/aug-cc-pVTZ
ABC
1.30321 0.31987 0.28816

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.221 -0.159 -0.019
C2 -0.030 0.530 0.048
O3 -1.198 -0.262 -0.117
H4 1.302 -0.695 -0.872
H5 1.364 -0.779 0.766
H6 -0.070 1.075 0.997
H7 -0.076 1.256 -0.764
H8 -1.298 -0.829 0.651

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.42962.42271.01111.01082.05412.05852.6913
C21.42961.42052.03062.04271.09501.09031.9538
O32.42271.42052.64732.75822.07351.99610.9595
H41.01112.03062.64731.64152.91712.39133.0168
H51.01082.04272.75821.64152.35482.92492.6649
H62.05411.09502.07352.91712.35481.77042.2914
H72.05851.09031.99612.39132.92491.77042.8008
H82.69131.95380.95953.01682.66492.29142.8008

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.430 N1 C2 H6 108.174
N1 C2 H7 108.803 C2 N1 H4 111.452
C2 N1 H5 112.523 C2 O3 H8 108.811
O3 C2 H6 110.372 O3 C2 H7 104.542
H4 N1 H5 108.559 H6 C2 H7 108.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.373      
2 C -0.061      
3 O -0.453      
4 H 0.085      
5 H 0.076      
6 H 0.274      
7 H 0.319      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.378 -1.004 1.236 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.624 -1.513 -2.019
y -1.513 -17.676 -1.440
z -2.019 -1.440 -16.867
Traceless
 xyz
x -6.353 -1.513 -2.019
y -1.513 2.569 -1.440
z -2.019 -1.440 3.784
Polar
3z2-r27.567
x2-y2-5.948
xy-1.513
xz-2.019
yz-1.440


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.041 0.048 -0.067
y 0.048 4.496 -0.044
z -0.067 -0.044 4.182


<r2> (average value of r2) Å2
<r2> 49.672
(<r2>)1/2 7.048