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: B3PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/Def2TZVPP
 hartrees
Energy at 0K-171.095840
Energy at 298.15K-171.102358
HF Energy-171.095840
Nuclear repulsion energy82.337023
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 B3PW91/Def2TZVPP
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 3850 3850 20.51      
2 A 3615 3615 3.73      
3 A 3528 3528 1.24      
4 A 3107 3107 26.08      
5 A 3031 3031 55.56      
6 A 1661 1661 27.02      
7 A 1498 1498 0.13      
8 A 1417 1417 32.56      
9 A 1383 1383 1.36      
10 A 1365 1365 6.21      
11 A 1161 1161 36.80      
12 A 1107 1107 27.68      
13 A 1007 1007 225.81      
14 A 905 905 3.94      
15 A 796 796 159.33      
16 A 480 480 47.09      
17 A 395 395 83.84      
18 A 270 270 74.63      

Unscaled Zero Point Vibrational Energy (zpe) 15286.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15286.8 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 B3PW91/Def2TZVPP
ABC
1.30117 0.31866 0.28704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.223 -0.159 -0.019
C2 -0.030 0.531 0.048
O3 -1.201 -0.262 -0.116
H4 1.301 -0.700 -0.871
H5 1.366 -0.779 0.767
H6 -0.068 1.076 0.996
H7 -0.076 1.257 -0.765
H8 -1.298 -0.830 0.651

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43192.42821.01151.01132.05542.06042.6939
C21.43191.42372.03192.04451.09511.09021.9559
O32.42821.42372.64952.76302.07691.99840.9600
H41.01152.03192.64951.64052.91792.39443.0147
H51.01132.04452.76301.64052.35602.92662.6667
H62.05541.09512.07692.91792.35601.77012.2953
H72.06041.09021.99842.39442.92661.77012.8027
H82.69391.95590.96003.01472.66672.29532.8027

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.498 N1 C2 H6 108.118
N1 C2 H7 108.807 C2 N1 H4 111.359
C2 N1 H5 112.474 C2 O3 H8 108.712
O3 C2 H6 110.409 O3 C2 H7 104.514
H4 N1 H5 108.385 H6 C2 H7 108.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.341      
2 C 0.069      
3 O -0.341      
4 H 0.142      
5 H 0.127      
6 H 0.084      
7 H 0.091      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.379 -1.072 1.246 1.686
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.317 -1.463 -1.996
y -1.463 -17.381 -1.398
z -1.996 -1.398 -16.695
Traceless
 xyz
x -6.279 -1.463 -1.996
y -1.463 2.624 -1.398
z -1.996 -1.398 3.654
Polar
3z2-r27.309
x2-y2-5.935
xy-1.463
xz-1.996
yz-1.398


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.403 -0.041 -0.079
y -0.041 3.994 -0.105
z -0.079 -0.105 3.862


<r2> (average value of r2) Å2
<r2> 49.630
(<r2>)1/2 7.045