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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-170.945856
Energy at 298.15K-170.952340
HF Energy-170.945856
Nuclear repulsion energy81.644028
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 PBEPBE/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 3693 3668 9.76      
2 A 3495 3471 0.89      
3 A 3411 3388 0.93      
4 A 3022 3001 26.91      
5 A 2944 2924 58.67      
6 A 1613 1602 21.75      
7 A 1447 1437 0.06      
8 A 1370 1361 30.65      
9 A 1341 1332 2.02      
10 A 1323 1314 1.88      
11 A 1129 1121 25.12      
12 A 1072 1065 22.29      
13 A 948 941 224.89      
14 A 880 874 3.76      
15 A 787 781 156.76      
16 A 462 459 44.08      
17 A 399 396 86.85      
18 A 274 272 59.27      

Unscaled Zero Point Vibrational Energy (zpe) 14805.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 14702.8 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 PBEPBE/cc-pVTZ
ABC
1.28375 0.31291 0.28209

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 1.285 -0.726 -0.870
H5 1.364 -0.785 0.774
H6 -0.057 1.088 1.001
H7 -0.076 1.259 -0.776
H8 -1.294 -0.831 0.668

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44202.45471.02131.02102.06762.07382.7072
C21.44201.43912.03662.04961.10341.09831.9632
O32.45471.43912.65142.77732.09982.01140.9716
H41.02132.03662.65141.64722.93132.40833.0040
H51.02102.04962.77731.64722.36222.94182.6603
H62.06761.10342.09982.93132.36221.78522.3075
H72.07381.09832.01142.40832.94181.78522.8172
H82.70721.96320.97163.00402.66032.30752.8172

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.859 N1 C2 H6 107.904
N1 C2 H7 108.691 C2 N1 H4 110.381
C2 N1 H5 111.500 C2 O3 H8 107.463
O3 C2 H6 110.656 O3 C2 H7 104.066
H4 N1 H5 107.526 H6 C2 H7 108.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/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
  0.372 -1.070 1.195 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.326 -1.359 -1.823
y -1.359 -17.544 -1.334
z -1.823 -1.334 -16.902
Traceless
 xyz
x -6.103 -1.359 -1.823
y -1.359 2.570 -1.334
z -1.823 -1.334 3.533
Polar
3z2-r27.066
x2-y2-5.782
xy-1.359
xz-1.823
yz-1.334


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.541 -0.065 -0.116
y -0.065 4.098 -0.134
z -0.116 -0.134 3.963


<r2> (average value of r2) Å2
<r2> 50.293
(<r2>)1/2 7.092