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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at G4
 hartrees
Energy at 0K-170.985001
Energy at 298.15K-170.979988
HF Energy-171.092012
Nuclear repulsion energy82.121508
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/6-31G(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 3806 3673 10.87      
2 A 3576 3450 0.81      
3 A 3494 3371 0.35      
4 A 3091 2983 31.01      
5 A 3012 2906 62.32      
6 A 1670 1611 19.40      
7 A 1503 1450 0.14      
8 A 1429 1379 39.99      
9 A 1390 1341 0.72      
10 A 1380 1332 4.29      
11 A 1167 1127 19.38      
12 A 1102 1063 23.13      
13 A 1012 977 220.59      
14 A 912 880 3.30      
15 A 832 803 145.71      
16 A 476 459 44.17      
17 A 403 389 96.81      
18 A 294 284 54.15      

Unscaled Zero Point Vibrational Energy (zpe) 15274.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14739.5 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/6-31G(2df,p)
ABC
1.28636 0.31804 0.28577

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.231 -0.157 -0.022
C2 -0.033 0.535 0.047
O3 -1.202 -0.263 -0.113
H4 1.269 -0.724 -0.864
H5 1.348 -0.784 0.768
H6 -0.063 1.089 0.996
H7 -0.081 1.259 -0.772
H8 -1.271 -0.843 0.652

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44262.43691.01571.01562.06462.07032.6802
C21.44261.42482.02752.04171.09901.09401.9490
O32.43691.42482.62312.74802.08712.00200.9631
H41.01572.02752.62311.63452.91892.40032.9600
H51.01562.04172.74801.63452.35642.93032.6221
H62.06461.09902.08712.91892.35641.77642.3041
H72.07031.09402.00202.40032.93031.77642.8043
H82.68021.94900.96312.96002.62212.30412.8043

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.398 N1 C2 H6 107.871
N1 C2 H7 108.630 C2 N1 H4 109.900
C2 N1 H5 111.102 C2 O3 H8 107.829
O3 C2 H6 110.914 O3 C2 H7 104.527
H4 N1 H5 107.148 H6 C2 H7 108.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.486      
2 C -0.040      
3 O -0.409      
4 H 0.230      
5 H 0.219      
6 H 0.097      
7 H 0.120      
8 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.271 -1.143 1.172 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 49.508
(<r2>)1/2 7.036