return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-170.885676
Energy at 298.15K-170.892199
HF Energy-170.885676
Nuclear repulsion energy81.675842
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 PBEPBEultrafine/6-31G(2df,p)
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 3694 3656 6.31      
2 A 3496 3460 0.45      
3 A 3410 3375 0.65      
4 A 3021 2990 28.16      
5 A 2936 2906 61.83      
6 A 1620 1603 16.67      
7 A 1448 1433 0.07      
8 A 1382 1368 36.16      
9 A 1347 1333 1.50      
10 A 1336 1322 1.39      
11 A 1139 1127 16.65      
12 A 1082 1071 17.70      
13 A 974 964 211.04      
14 A 885 875 3.70      
15 A 813 805 144.49      
16 A 462 457 45.58      
17 A 405 400 92.04      
18 A 295 292 48.35      

Unscaled Zero Point Vibrational Energy (zpe) 14871.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 14718.3 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 PBEPBEultrafine/6-31G(2df,p)
ABC
1.27737 0.31439 0.28288

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.239 -0.156 -0.024
C2 -0.031 0.535 0.047
O3 -1.211 -0.263 -0.114
H4 1.257 -0.740 -0.865
H5 1.345 -0.791 0.772
H6 -0.055 1.097 1.002
H7 -0.081 1.263 -0.780
H8 -1.265 -0.842 0.665

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44722.45361.02401.02382.07272.07982.6863
C21.44721.43292.02892.04351.10841.10301.9495
O32.45361.43292.62402.75602.10442.01170.9721
H41.02402.02892.62401.64042.92952.40992.9524
H51.02382.04352.75601.64042.36152.94262.6129
H62.07271.10842.10442.92952.36151.78982.3105
H72.07981.10302.01172.40992.94261.78982.8143
H82.68631.94950.97212.95242.61292.31052.8143

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.839 N1 C2 H6 107.659
N1 C2 H7 108.530 C2 N1 H4 109.168
C2 N1 H5 110.407 C2 O3 H8 106.735
O3 C2 H6 111.166 O3 C2 H7 104.232
H4 N1 H5 106.461 H6 C2 H7 108.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.484      
2 C -0.087      
3 O -0.384      
4 H 0.232      
5 H 0.222      
6 H 0.106      
7 H 0.129      
8 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.245 -1.171 1.138 1.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.892 -1.283 -1.648
y -1.283 -17.071 -1.292
z -1.648 -1.292 -16.601
Traceless
 xyz
x -6.056 -1.283 -1.648
y -1.283 2.675 -1.292
z -1.648 -1.292 3.380
Polar
3z2-r26.760
x2-y2-5.821
xy-1.283
xz-1.648
yz-1.292


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.897 -0.116 -0.105
y -0.116 3.656 -0.157
z -0.105 -0.157 3.623


<r2> (average value of r2) Å2
<r2> 49.890
(<r2>)1/2 7.063