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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-171.039877
Energy at 298.15K-171.046488
HF Energy-171.039877
Nuclear repulsion energy82.413459
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 mPW1PW91/6-31G**
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 3880 3692 12.97      
2 A 3648 3471 1.46      
3 A 3553 3380 0.42      
4 A 3143 2991 33.29      
5 A 3055 2906 67.60      
6 A 1687 1605 26.13      
7 A 1521 1447 0.11      
8 A 1439 1369 43.65      
9 A 1402 1334 0.96      
10 A 1389 1322 5.15      
11 A 1178 1121 33.39      
12 A 1129 1074 28.62      
13 A 1049 998 227.64      
14 A 916 872 3.59      
15 A 838 797 173.27      
16 A 482 459 50.05      
17 A 425 404 114.99      
18 A 302 288 73.78      

Unscaled Zero Point Vibrational Energy (zpe) 15517.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 14765.1 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 mPW1PW91/6-31G**
ABC
1.29910 0.32007 0.28811

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.225 -0.157 -0.020
C2 -0.033 0.530 0.048
O3 -1.197 -0.263 -0.116
H4 1.277 -0.707 -0.869
H5 1.345 -0.789 0.763
H6 -0.064 1.083 0.995
H7 -0.076 1.257 -0.766
H8 -1.284 -0.825 0.659

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43472.42641.01351.01352.05642.06092.6837
C21.43471.41802.02132.03741.09761.09201.9431
O32.42641.41802.62352.74082.08061.99750.9620
H41.01352.02132.62351.63512.91172.38702.9840
H51.01352.03742.74081.63512.35492.92302.6309
H62.05641.09762.08062.91172.35491.77022.2890
H72.06091.09201.99752.38702.92301.77022.7978
H82.68371.94310.96202.98402.63092.28902.7978

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.543 N1 C2 H6 107.854
N1 C2 H7 108.541 C2 N1 H4 110.113
C2 N1 H5 111.496 C2 O3 H8 107.920
O3 C2 H6 110.958 O3 C2 H7 104.719
H4 N1 H5 107.542 H6 C2 H7 107.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.625      
2 C 0.079      
3 O -0.546      
4 H 0.265      
5 H 0.252      
6 H 0.120      
7 H 0.148      
8 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.239 -1.241 1.295 1.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.088 -1.464 -2.009
y -1.464 -16.810 -1.389
z -2.009 -1.389 -16.401
Traceless
 xyz
x -6.483 -1.464 -2.009
y -1.464 2.935 -1.389
z -2.009 -1.389 3.548
Polar
3z2-r27.096
x2-y2-6.279
xy-1.464
xz-2.009
yz-1.389


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.402 -0.122 -0.089
y -0.122 3.228 -0.179
z -0.089 -0.179 3.323


<r2> (average value of r2) Å2
<r2> 49.233
(<r2>)1/2 7.017