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All results from a given calculation for H2NCH2COOH (Glycine)

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 CS 1A'
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-284.112225
Energy at 298.15K-284.119180
HF Energy-284.112225
Nuclear repulsion energy179.617061
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' 3745 3559 50.80      
2 A' 3525 3349 0.97      
3 A' 3084 2930 15.39      
4 A' 1886 1792 272.84      
5 A' 1720 1635 22.84      
6 A' 1481 1407 14.50      
7 A' 1441 1370 35.92      
8 A' 1337 1270 10.19      
9 A' 1205 1145 153.55      
10 A' 1175 1117 119.02      
11 A' 971 923 166.69      
12 A' 851 809 81.16      
13 A' 645 613 9.11      
14 A' 470 446 35.10      
15 A' 260 247 10.09      
16 A" 3607 3428 2.47      
17 A" 3127 2971 7.25      
18 A" 1407 1338 0.35      
19 A" 1197 1137 1.11      
20 A" 933 886 4.46      
21 A" 686 652 109.34      
22 A" 516 491 33.28      
23 A" 239 228 54.99      
24 A" 64 61 6.15      

Unscaled Zero Point Vibrational Energy (zpe) 17785.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16901.9 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
0.34655 0.13038 0.09786

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.549 0.000
O2 1.179 0.809 0.000
O3 -0.961 1.491 0.000
C4 -0.582 -0.852 0.000
N5 0.390 -1.918 0.000
H6 -0.501 2.348 0.000
H7 -1.241 -0.944 0.872
H8 -1.241 -0.944 -0.872
H9 1.000 -1.809 0.806
H10 1.000 -1.809 -0.806

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20771.34591.51712.49711.86772.12832.12832.68532.6853
O21.20772.24622.42132.83892.27823.11343.11342.74582.7458
O31.34592.24622.37383.66670.97272.60192.60193.92283.9228
C41.51712.42132.37381.44223.20131.09711.09712.01722.0172
N52.49712.83893.66671.44224.35772.09012.09011.01681.0168
H61.86772.27820.97273.20134.35773.48533.48534.49294.4929
H72.12833.11342.60191.09712.09013.48531.74482.40312.9305
H82.12833.11342.60191.09712.09013.48531.74482.93052.4031
H92.68532.74583.92282.01721.01684.49292.40312.93051.6122
H102.68532.74583.92282.01721.01684.49292.93052.40311.6122

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.206 C1 C4 N5 115.068
C1 C4 H7 107.924 C1 C4 H8 107.924
O2 C1 O3 123.102 O2 C1 C4 125.016
O3 C1 C4 111.883 C4 N5 H9 109.010
C4 N5 H10 109.010 N5 C4 H7 110.051
N5 C4 H8 110.051 H7 C4 H8 105.344
H9 N5 H10 104.901
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 C 0.551      
2 O -0.465      
3 O -0.574      
4 C -0.302      
5 N -0.722      
6 H 0.427      
7 H 0.214      
8 H 0.214      
9 H 0.329      
10 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.657 1.143 0.000 1.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.766 -2.479 0.000
y -2.479 -29.561 0.000
z 0.000 0.000 -26.834
Traceless
 xyz
x -3.568 -2.479 0.000
y -2.479 -0.261 0.000
z 0.000 0.000 3.829
Polar
3z2-r27.657
x2-y2-2.205
xy-2.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.360 -0.312 0.000
y -0.312 5.442 0.000
z 0.000 0.000 3.708


<r2> (average value of r2) Å2
<r2> 116.895
(<r2>)1/2 10.812