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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-170.821552
Energy at 298.15K-170.827957
HF Energy-170.821552
Nuclear repulsion energy81.484835
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 PBE1PBE/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 3770 3604 10.67      
2 A 3682 3520 1.88      
3 A 3642 3481 5.15      
4 A 3176 3036 31.17      
5 A 3074 2939 67.42      
6 A 1720 1644 45.72      
7 A 1541 1473 1.19      
8 A 1445 1381 23.03      
9 A 1397 1336 3.07      
10 A 1360 1300 11.03      
11 A 1196 1144 93.77      
12 A 1133 1083 11.60      
13 A 948 906 228.12      
14 A 906 866 4.28      
15 A 582 556 220.24      
16 A 435 416 120.30      
17 A 422 404 124.64      
18 A 277 265 171.83      

Unscaled Zero Point Vibrational Energy (zpe) 15352.8 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 14675.8 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 PBE1PBE/6-31G
ABC
1.30250 0.30854 0.27915

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.205 -0.187 -0.026
C2 -0.017 0.533 0.046
O3 -1.238 -0.254 -0.104
H4 1.433 -0.640 -0.895
H5 1.555 -0.641 0.801
H6 -0.040 1.087 0.992
H7 -0.086 1.245 -0.777
H8 -1.296 -0.911 0.615

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.41982.44521.00661.00632.05152.06922.6819
C21.41981.46032.08862.10221.09701.09042.0116
O32.44521.46032.81232.96132.10572.00680.9757
H41.00662.08862.81231.70092.95192.42383.1310
H51.00632.10222.96131.70092.35952.95662.8701
H62.05151.09702.10572.95192.35951.77652.3904
H72.06921.09042.00682.42382.95661.77652.8376
H82.68192.01160.97573.13102.87012.39042.8376

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.202 N1 C2 H6 108.522
N1 C2 H7 110.355 C2 N1 H4 117.793
C2 N1 H5 119.123 C2 O3 H8 109.730
O3 C2 H6 110.051 O3 C2 H7 102.809
H4 N1 H5 115.334 H6 C2 H7 108.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.755      
2 C 0.024      
3 O -0.621      
4 H 0.325      
5 H 0.315      
6 H 0.164      
7 H 0.197      
8 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.415 -1.154 1.488 2.356
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.430 -1.502 -2.033
y -1.502 -17.120 -1.369
z -2.033 -1.369 -16.389
Traceless
 xyz
x -5.676 -1.502 -2.033
y -1.502 2.290 -1.369
z -2.033 -1.369 3.386
Polar
3z2-r26.771
x2-y2-5.310
xy-1.502
xz-2.033
yz-1.369


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.409 -0.080 -0.044
y -0.080 2.878 -0.231
z -0.044 -0.231 3.067


<r2> (average value of r2) Å2
<r2> 50.593
(<r2>)1/2 7.113