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: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-170.947774
Energy at 298.15K-170.954227
HF Energy-170.947774
Nuclear repulsion energy81.639710
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/6-311+G(3df,2p)
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 3719 3688 14.45      
2 A 3514 3485 3.74      
3 A 3429 3401 1.59      
4 A 3027 3002 22.39      
5 A 2952 2928 49.29      
6 A 1610 1597 26.66      
7 A 1448 1436 0.20      
8 A 1369 1357 27.07      
9 A 1337 1326 2.44      
10 A 1317 1306 3.47      
11 A 1124 1115 34.39      
12 A 1069 1060 25.34      
13 A 939 931 225.53      
14 A 877 870 3.30      
15 A 760 754 156.42      
16 A 461 458 46.23      
17 A 393 390 79.44      
18 A 269 267 68.52      

Unscaled Zero Point Vibrational Energy (zpe) 14806.4 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 14685.0 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/6-311+G(3df,2p)
ABC
1.28534 0.31258 0.28202

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.234 -0.160 -0.021
C2 -0.026 0.534 0.048
O3 -1.215 -0.263 -0.117
H4 1.305 -0.714 -0.875
H5 1.379 -0.781 0.776
H6 -0.063 1.084 1.003
H7 -0.076 1.259 -0.775
H8 -1.309 -0.829 0.666

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43932.45211.02081.02032.06752.07332.7173
C21.43931.44022.04432.05681.10261.09791.9711
O32.45211.44022.66952.79122.09572.01110.9705
H41.02082.04432.66951.65382.93752.41123.0364
H51.02032.05682.79121.65382.36752.94682.6906
H62.06751.10262.09572.93752.36751.78592.3074
H72.07331.09792.01112.41122.94681.78592.8204
H82.71731.97110.97053.03642.69062.30742.8204

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.765 N1 C2 H6 108.119
N1 C2 H7 108.863 C2 N1 H4 111.266
C2 N1 H5 112.367 C2 O3 H8 108.114
O3 C2 H6 110.300 O3 C2 H7 103.995
H4 N1 H5 108.241 H6 C2 H7 108.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.773      
2 C 0.590      
3 O -0.561      
4 H 0.184      
5 H 0.177      
6 H 0.096      
7 H 0.093      
8 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.439 -0.988 1.235 1.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.971 -1.551 -1.964
y -1.551 -18.020 -1.434
z -1.964 -1.434 -17.128
Traceless
 xyz
x -6.397 -1.551 -1.964
y -1.551 2.529 -1.434
z -1.964 -1.434 3.867
Polar
3z2-r27.735
x2-y2-5.951
xy-1.551
xz-1.964
yz-1.434


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.448 0.047 -0.076
y 0.047 4.656 -0.036
z -0.076 -0.036 4.283


<r2> (average value of r2) Å2
<r2> 50.640
(<r2>)1/2 7.116