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/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-168.794625
Energy at 298.15K-168.801025
HF Energy-168.794625
Nuclear repulsion energy79.314809
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/STO-3G
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 3676 3280 46.40      
2 A 3656 3262 12.41      
3 A 3470 3096 17.14      
4 A 3396 3031 1.90      
5 A 3264 2912 15.32      
6 A 1861 1661 3.77      
7 A 1626 1451 0.49      
8 A 1580 1410 12.72      
9 A 1486 1327 1.05      
10 A 1464 1307 21.25      
11 A 1229 1097 0.68      
12 A 1180 1053 8.93      
13 A 1087 970 64.33      
14 A 936 835 9.45      
15 A 905 807 76.52      
16 A 441 394 37.47      
17 A 400 357 78.84      
18 A 321 286 35.44      

Unscaled Zero Point Vibrational Energy (zpe) 15988.1 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 14267.8 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 B3LYP/STO-3G
ABC
1.18682 0.29881 0.26772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.292 -0.157 -0.015
C2 -0.044 0.562 0.054
O3 -1.237 -0.277 -0.130
H4 1.243 -0.731 -0.907
H5 1.246 -0.906 0.738
H6 -0.065 1.115 1.023
H7 -0.066 1.298 -0.777
H8 -1.240 -0.833 0.737

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.51912.53451.06201.06312.13042.13182.7259
C21.51911.46982.06272.07101.11571.11081.9597
O32.53451.46982.63892.70502.15422.06611.0295
H41.06202.06272.63891.65452.97452.41872.9795
H51.06312.07102.70501.65452.42662.97972.4870
H62.13041.11572.15422.97452.42661.80962.2931
H72.13181.11082.06612.41872.97971.80962.8650
H82.72591.95971.02952.97952.48702.29312.8650

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 115.975 N1 C2 H6 106.909
N1 C2 H7 107.292 C2 N1 H4 104.709
C2 N1 H5 105.278 C2 O3 H8 101.828
O3 C2 H6 112.128 O3 C2 H7 105.536
H4 N1 H5 102.258 H6 C2 H7 108.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.366      
2 C 0.003      
3 O -0.246      
4 H 0.154      
5 H 0.142      
6 H 0.071      
7 H 0.084      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.400 -1.132 0.939 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.301 -1.368 -1.644
y -1.368 -15.735 -0.931
z -1.644 -0.931 -15.738
Traceless
 xyz
x -6.565 -1.368 -1.644
y -1.368 3.285 -0.931
z -1.644 -0.931 3.280
Polar
3z2-r26.560
x2-y2-6.566
xy-1.368
xz-1.644
yz-0.931


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.890 -0.039 -0.131
y -0.039 1.880 -0.278
z -0.131 -0.278 2.019


<r2> (average value of r2) Å2
<r2> 51.154
(<r2>)1/2 7.152