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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-311+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 B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-171.087495
Energy at 298.15K-171.094010
HF Energy-171.087495
Nuclear repulsion energy82.341581
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 B3PW91/6-311+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 3863 3698 23.42      
2 A 3618 3463 5.66      
3 A 3532 3381 1.85      
4 A 3103 2971 23.48      
5 A 3029 2900 50.56      
6 A 1659 1588 30.06      
7 A 1501 1437 0.21      
8 A 1417 1357 30.70      
9 A 1381 1322 1.20      
10 A 1362 1304 6.98      
11 A 1159 1109 40.68      
12 A 1103 1056 28.61      
13 A 1006 963 224.93      
14 A 905 866 3.23      
15 A 787 754 155.17      
16 A 479 458 47.48      
17 A 392 375 82.19      
18 A 269 258 75.62      

Unscaled Zero Point Vibrational Energy (zpe) 15282.2 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 14629.6 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 B3PW91/6-311+G(3df,2p)
ABC
1.30044 0.31883 0.28713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.222 -0.159 -0.020
C2 -0.031 0.531 0.048
O3 -1.200 -0.262 -0.116
H4 1.304 -0.699 -0.871
H5 1.370 -0.777 0.768
H6 -0.070 1.076 0.997
H7 -0.077 1.257 -0.764
H8 -1.298 -0.835 0.648

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43202.42691.01201.01172.05592.06112.6934
C21.43201.42302.03442.04701.09481.09011.9577
O32.42691.42302.65162.76612.07521.99750.9598
H41.01202.03442.65161.64212.92002.39693.0156
H51.01172.04702.76611.64212.35732.92872.6708
H62.05591.09482.07522.92002.35731.77032.2977
H72.06111.09011.99752.39692.92871.77032.8036
H82.69341.95770.95983.01562.67082.29772.8036

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.437 N1 C2 H6 108.170
N1 C2 H7 108.861 C2 N1 H4 111.537
C2 N1 H5 112.657 C2 O3 H8 108.931
O3 C2 H6 110.337 O3 C2 H7 104.497
H4 N1 H5 108.476 H6 C2 H7 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.812      
2 C 0.642      
3 O -0.589      
4 H 0.188      
5 H 0.182      
6 H 0.100      
7 H 0.096      
8 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.401 -1.016 1.251 1.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.661 -1.530 -2.008
y -1.530 -17.588 -1.458
z -2.008 -1.458 -16.801
Traceless
 xyz
x -6.467 -1.530 -2.008
y -1.530 2.643 -1.458
z -2.008 -1.458 3.824
Polar
3z2-r27.647
x2-y2-6.073
xy-1.530
xz-2.008
yz-1.458


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.945 0.034 -0.057
y 0.034 4.344 -0.041
z -0.057 -0.041 4.033


<r2> (average value of r2) Å2
<r2> 49.766
(<r2>)1/2 7.055