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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-170.945858
Energy at 298.15K-170.952343
HF Energy-170.945858
Nuclear repulsion energy81.645178
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 PBEPBEultrafine/cc-pVTZ
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 3691 3666 9.73      
2 A 3496 3472 0.89      
3 A 3411 3388 0.93      
4 A 3022 3001 26.90      
5 A 2944 2924 58.73      
6 A 1613 1602 21.75      
7 A 1448 1438 0.07      
8 A 1370 1361 30.70      
9 A 1341 1332 1.97      
10 A 1323 1314 1.92      
11 A 1129 1121 24.95      
12 A 1072 1065 22.27      
13 A 948 941 225.14      
14 A 880 874 3.95      
15 A 788 782 156.65      
16 A 462 459 45.64      
17 A 398 395 83.65      
18 A 275 273 60.71      

Unscaled Zero Point Vibrational Energy (zpe) 14805.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 14703.0 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 PBEPBEultrafine/cc-pVTZ
ABC
1.28347 0.31296 0.28211

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.236 -0.159 -0.022
C2 -0.027 0.534 0.047
O3 -1.214 -0.262 -0.116
H4 1.284 -0.726 -0.870
H5 1.363 -0.785 0.774
H6 -0.057 1.088 1.001
H7 -0.076 1.259 -0.776
H8 -1.292 -0.833 0.667

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44202.45461.02131.02102.06762.07392.7060
C21.44201.43912.03652.04951.10351.09831.9631
O32.45461.43912.65122.77682.09972.01150.9716
H41.02132.03652.65121.64722.93122.40833.0022
H51.02102.04952.77681.64722.36222.94182.6583
H62.06761.10352.09972.93122.36221.78522.3081
H72.07391.09832.01152.40832.94181.78522.8173
H82.70601.96310.97163.00222.65832.30812.8173

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.852 N1 C2 H6 107.898
N1 C2 H7 108.699 C2 N1 H4 110.367
C2 N1 H5 111.486 C2 O3 H8 107.453
O3 C2 H6 110.653 O3 C2 H7 104.072
H4 N1 H5 107.516 H6 C2 H7 108.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.285      
2 C 0.036      
3 O -0.314      
4 H 0.129      
5 H 0.118      
6 H 0.058      
7 H 0.086      
8 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.373 -1.072 1.193 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.335 -1.357 -1.819
y -1.357 -17.538 -1.336
z -1.819 -1.336 -16.906
Traceless
 xyz
x -6.113 -1.357 -1.819
y -1.357 2.582 -1.336
z -1.819 -1.336 3.531
Polar
3z2-r27.062
x2-y2-5.797
xy-1.357
xz-1.819
yz-1.336


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.539 -0.065 -0.116
y -0.065 4.099 -0.134
z -0.116 -0.134 3.962


<r2> (average value of r2) Å2
<r2> 50.289
(<r2>)1/2 7.092