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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: mPW1PW91/6-311+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 mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-171.106363
Energy at 298.15K-171.112895
HF Energy-171.106363
Nuclear repulsion energy82.529544
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 mPW1PW91/6-311+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 3897 3897 25.81      
2 A 3643 3643 6.22      
3 A 3556 3556 2.09      
4 A 3121 3121 23.66      
5 A 3046 3046 50.49      
6 A 1668 1668 30.92      
7 A 1510 1510 0.20      
8 A 1426 1426 32.20      
9 A 1390 1390 1.12      
10 A 1371 1371 7.14      
11 A 1167 1167 44.15      
12 A 1113 1113 28.64      
13 A 1025 1025 221.62      
14 A 910 910 3.15      
15 A 795 795 155.29      
16 A 482 482 48.19      
17 A 392 392 83.13      
18 A 271 271 76.37      

Unscaled Zero Point Vibrational Energy (zpe) 15390.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15390.4 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 mPW1PW91/6-311+G(3df,2p)
ABC
1.30359 0.32069 0.28865

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.219 -0.158 -0.020
C2 -0.032 0.531 0.048
O3 -1.196 -0.262 -0.115
H4 1.300 -0.698 -0.870
H5 1.366 -0.775 0.766
H6 -0.071 1.074 0.996
H7 -0.078 1.256 -0.763
H8 -1.292 -0.836 0.645

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.42972.41991.01031.01002.05302.05812.6848
C21.42971.41842.03072.04341.09351.08881.9528
O32.41991.41842.64392.75792.07061.99400.9576
H41.01032.03072.64391.63952.91542.39313.0055
H51.01002.04342.75791.63952.35362.92422.6613
H62.05301.09352.07062.91542.35361.76782.2942
H72.05811.08881.99402.39312.92421.76782.7990
H82.68481.95280.95763.00552.66132.29422.7990

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.344 N1 C2 H6 108.167
N1 C2 H7 108.859 C2 N1 H4 111.501
C2 N1 H5 112.633 C2 O3 H8 109.003
O3 C2 H6 110.372 O3 C2 H7 104.601
H4 N1 H5 108.490 H6 C2 H7 108.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.813      
2 C 0.687      
3 O -0.587      
4 H 0.180      
5 H 0.174      
6 H 0.090      
7 H 0.085      
8 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.391 -1.024 1.252 1.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.666 -1.526 -2.003
y -1.526 -17.568 -1.462
z -2.003 -1.462 -16.797
Traceless
 xyz
x -6.484 -1.526 -2.003
y -1.526 2.664 -1.462
z -2.003 -1.462 3.820
Polar
3z2-r27.641
x2-y2-6.098
xy-1.526
xz-2.003
yz-1.462


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.885 0.032 -0.055
y 0.032 4.308 -0.042
z -0.055 -0.042 4.002


<r2> (average value of r2) Å2
<r2> 49.573
(<r2>)1/2 7.041