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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-171.033879
Energy at 298.15K-171.040407
HF Energy-171.033879
Nuclear repulsion energy82.334521
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 B1B95/aug-cc-pVDZ
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 3869 3706 24.11      
2 A 3638 3485 4.78      
3 A 3546 3396 2.14      
4 A 3146 3013 24.35      
5 A 3067 2937 52.34      
6 A 1651 1582 28.32      
7 A 1483 1420 0.34      
8 A 1409 1350 36.46      
9 A 1376 1318 2.33      
10 A 1353 1296 4.35      
11 A 1166 1117 55.69      
12 A 1115 1068 21.32      
13 A 1023 980 213.96      
14 A 905 867 2.82      
15 A 796 763 144.36      
16 A 475 455 46.70      
17 A 394 378 83.96      
18 A 271 259 72.30      

Unscaled Zero Point Vibrational Energy (zpe) 15341.4 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 14695.5 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 B1B95/aug-cc-pVDZ
ABC
1.29443 0.31971 0.28764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.222 -0.159 -0.020
C2 -0.030 0.533 0.048
O3 -1.199 -0.262 -0.116
H4 1.294 -0.703 -0.871
H5 1.360 -0.783 0.766
H6 -0.068 1.079 1.000
H7 -0.077 1.259 -0.769
H8 -1.291 -0.839 0.648

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43142.42471.01351.01332.05812.06312.6870
C21.43141.42312.03102.04391.09841.09391.9569
O32.42471.42312.64172.75592.07921.99940.9609
H41.01352.03102.64171.64072.92142.39553.0007
H51.01332.04392.75591.64072.35842.93072.6535
H62.05811.09842.07922.92142.35841.77802.3017
H72.06311.09391.99942.39552.93071.77802.8067
H82.68701.95690.96093.00072.65352.30172.8067

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.303 N1 C2 H6 108.168
N1 C2 H7 108.831 C2 N1 H4 111.193
C2 N1 H5 112.331 C2 O3 H8 108.795
O3 C2 H6 110.437 O3 C2 H7 104.433
H4 N1 H5 108.095 H6 C2 H7 108.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.098      
2 C 1.111      
3 O -0.423      
4 H -0.054      
5 H -0.071      
6 H -0.251      
7 H -0.293      
8 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.382 -1.005 1.230 1.633
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.769 -1.515 -1.977
y -1.515 -17.612 -1.434
z -1.977 -1.434 -16.928
Traceless
 xyz
x -6.499 -1.515 -1.977
y -1.515 2.736 -1.434
z -1.977 -1.434 3.763
Polar
3z2-r27.526
x2-y2-6.157
xy-1.515
xz-1.977
yz-1.434


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.000 0.053 -0.060
y 0.053 4.470 -0.050
z -0.060 -0.050 4.161


<r2> (average value of r2) Å2
<r2> 49.759
(<r2>)1/2 7.054