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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-34.479863
Energy at 298.15K-34.486135
HF Energy-34.479863
Nuclear repulsion energy48.342995
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/CEP-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 3729 3611 5.09      
2 A 3672 3556 2.74      
3 A 3590 3477 3.09      
4 A 3164 3064 39.97      
5 A 3062 2965 90.84      
6 A 1679 1626 50.96      
7 A 1496 1448 0.63      
8 A 1419 1374 24.79      
9 A 1353 1310 3.46      
10 A 1312 1270 11.84      
11 A 1152 1116 101.90      
12 A 1083 1049 19.44      
13 A 905 877 235.17      
14 A 880 852 11.11      
15 A 551 534 228.17      
16 A 426 412 144.10      
17 A 399 386 91.82      
18 A 245 237 179.31      

Unscaled Zero Point Vibrational Energy (zpe) 15057.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 14581.5 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/CEP-31G
ABC
1.26382 0.29731 0.26911

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 -0.193 -0.025
C2 -0.014 0.545 0.047
O3 -1.261 -0.258 -0.107
H4 1.464 -0.642 -0.906
H5 1.581 -0.652 0.811
H6 -0.045 1.095 1.005
H7 -0.085 1.253 -0.790
H8 -1.337 -0.914 0.626

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44612.49061.01681.01672.08312.09722.7424
C21.44611.49142.12162.13531.10531.09852.0531
O32.49061.49142.86523.01202.13242.03350.9863
H41.01682.12162.86521.72082.99112.45003.2040
H51.01672.13533.01201.72082.39412.99412.9353
H62.08311.10532.13242.99112.39411.80262.4185
H72.09721.09852.03352.45002.99411.80262.8758
H82.74242.05310.98633.20402.93532.41852.8758

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 115.951 N1 C2 H6 108.726
N1 C2 H7 110.263 C2 N1 H4 117.900
C2 N1 H5 119.196 C2 O3 H8 110.244
O3 C2 H6 109.510 O3 C2 H7 102.412
H4 N1 H5 115.609 H6 C2 H7 109.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.445      
2 C -0.373      
3 O -0.411      
4 H 0.278      
5 H 0.265      
6 H 0.177      
7 H 0.210      
8 H 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.538 -1.039 1.570 2.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.014 -1.659 -2.219
y -1.659 -17.247 -1.384
z -2.219 -1.384 -16.396
Traceless
 xyz
x -6.193 -1.659 -2.219
y -1.659 2.459 -1.384
z -2.219 -1.384 3.735
Polar
3z2-r27.469
x2-y2-5.768
xy-1.659
xz-2.219
yz-1.384


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.671 -0.042 -0.033
y -0.042 2.994 -0.245
z -0.033 -0.245 3.155


<r2> (average value of r2) Å2
<r2> 45.111
(<r2>)1/2 6.716