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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBE/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-170.880292
Energy at 298.15K-170.886853
HF Energy-170.880292
Nuclear repulsion energy81.520428
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3638 3617 5.85      
2 A 3451 3431 0.32      
3 A 3368 3349 2.00      
4 A 3021 3003 31.82      
5 A 2925 2908 72.92      
6 A 1603 1594 14.08      
7 A 1423 1415 0.20      
8 A 1371 1363 40.98      
9 A 1338 1330 1.93      
10 A 1321 1313 1.33      
11 A 1134 1128 22.85      
12 A 1084 1078 18.43      
13 A 978 972 223.91      
14 A 883 878 3.65      
15 A 827 822 130.52      
16 A 463 460 49.78      
17 A 420 418 92.99      
18 A 307 306 48.34      

Unscaled Zero Point Vibrational Energy (zpe) 14776.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14691.1 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-pVDZ
ABC
1.26957 0.31415 0.28258

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.240 -0.155 -0.024
C2 -0.030 0.534 0.048
O3 -1.212 -0.262 -0.114
H4 1.250 -0.747 -0.868
H5 1.335 -0.805 0.771
H6 -0.051 1.103 1.008
H7 -0.081 1.268 -0.783
H8 -1.261 -0.845 0.670

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44662.45561.03121.03112.07672.08412.6857
C21.44661.43422.02962.04391.11591.10931.9506
O32.45561.43422.61972.74972.11422.01660.9787
H41.03122.02962.61971.64232.93832.41612.9464
H51.03112.04392.74971.64232.36942.95152.5977
H62.07671.11592.11422.93832.36941.79842.3176
H72.08411.10932.01662.41612.95151.79842.8228
H82.68571.95060.97872.94642.59772.31762.8228

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.946 N1 C2 H6 107.571
N1 C2 H7 108.532 C2 N1 H4 108.830
C2 N1 H5 110.024 C2 O3 H8 106.348
O3 C2 H6 111.393 O3 C2 H7 104.175
H4 N1 H5 105.557 H6 C2 H7 107.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.170      
2 C 0.088      
3 O -0.250      
4 H 0.077      
5 H 0.068      
6 H 0.024      
7 H 0.044      
8 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.266 -1.184 1.155 1.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.943 -1.227 -1.682
y -1.227 -17.087 -1.283
z -1.682 -1.283 -16.811
Traceless
 xyz
x -5.994 -1.227 -1.682
y -1.227 2.790 -1.283
z -1.682 -1.283 3.204
Polar
3z2-r26.408
x2-y2-5.856
xy-1.227
xz-1.682
yz-1.283


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.817 -0.111 -0.124
y -0.111 3.613 -0.176
z -0.124 -0.176 3.560


<r2> (average value of r2) Å2
<r2> 50.010
(<r2>)1/2 7.072