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: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-171.118401
Energy at 298.15K-171.125029
HF Energy-171.118401
Nuclear repulsion energy82.024479
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 B3LYP/6-311G*
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 3768 3641 4.04      
2 A 3572 3452 0.38      
3 A 3492 3374 1.55      
4 A 3116 3011 36.11      
5 A 3025 2923 74.02      
6 A 1722 1664 33.74      
7 A 1515 1464 0.12      
8 A 1443 1394 42.20      
9 A 1405 1358 2.25      
10 A 1389 1342 3.08      
11 A 1175 1135 26.24      
12 A 1100 1063 28.56      
13 A 1002 968 266.11      
14 A 922 891 2.86      
15 A 842 814 167.15      
16 A 478 462 53.44      
17 A 433 418 122.48      
18 A 317 306 76.06      

Unscaled Zero Point Vibrational Energy (zpe) 15357.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 14839.7 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 B3LYP/6-311G*
ABC
1.28874 0.31649 0.28472

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.231 -0.159 -0.022
C2 -0.030 0.535 0.047
O3 -1.206 -0.263 -0.114
H4 1.281 -0.718 -0.867
H5 1.363 -0.780 0.770
H6 -0.062 1.086 0.995
H7 -0.079 1.255 -0.771
H8 -1.288 -0.840 0.654

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44102.44031.01501.01502.06202.06732.6955
C21.44101.42982.03152.04811.09661.09021.9605
O32.44031.42982.63842.76552.08732.00080.9645
H41.01502.03152.63841.64052.91962.39792.9889
H51.01502.04812.76551.64052.35832.93152.6546
H62.06201.09662.08732.91962.35831.77402.3088
H72.06731.09022.00082.39792.93151.77402.8074
H82.69551.96050.96452.98892.65462.30882.8074

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 107.931
N1 C2 H7 108.724 C2 N1 H4 110.417
C2 N1 H5 111.834 C2 O3 H8 108.362
O3 C2 H6 110.731 O3 C2 H7 104.309
H4 N1 H5 107.830 H6 C2 H7 108.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.717      
2 C -0.101      
3 O -0.551      
4 H 0.311      
5 H 0.298      
6 H 0.192      
7 H 0.214      
8 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.338 -1.236 1.375 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.855 -1.460 -2.042
y -1.460 -17.246 -1.435
z -2.042 -1.435 -16.687
Traceless
 xyz
x -6.888 -1.460 -2.042
y -1.460 3.025 -1.435
z -2.042 -1.435 3.863
Polar
3z2-r27.727
x2-y2-6.608
xy-1.460
xz-2.042
yz-1.435


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.746 -0.066 -0.110
y -0.066 3.479 -0.175
z -0.110 -0.175 3.471


<r2> (average value of r2) Å2
<r2> 49.946
(<r2>)1/2 7.067