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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-284.103137
Energy at 298.15K-284.109927
Nuclear repulsion energy177.790859
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/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' 3552 3501 21.44      
2 A' 3379 3331 0.22      
3 A' 2988 2945 16.69      
4 A' 1790 1765 227.36      
5 A' 1667 1643 18.05      
6 A' 1433 1412 13.41      
7 A' 1369 1349 18.75      
8 A' 1285 1266 8.05      
9 A' 1155 1139 64.30      
10 A' 1112 1096 189.27      
11 A' 937 924 168.86      
12 A' 810 799 59.96      
13 A' 615 607 7.58      
14 A' 449 442 33.59      
15 A' 251 248 9.46      
16 A" 3459 3410 0.19      
17 A" 3028 2984 8.27      
18 A" 1365 1345 0.58      
19 A" 1156 1139 0.71      
20 A" 900 887 2.89      
21 A" 674 665 95.74      
22 A" 498 491 31.82      
23 A" 230 226 50.25      
24 A" 48 47 5.90      

Unscaled Zero Point Vibrational Energy (zpe) 17074.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 16830.3 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/6-31G*
ABC
0.33864 0.12796 0.09591

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
O2 1.192 0.818 0.000
O3 -0.978 1.504 0.000
C4 -0.585 -0.861 0.000
N5 0.395 -1.937 0.000
H6 -0.498 2.366 0.000
H7 -1.249 -0.957 0.879
H8 -1.249 -0.957 -0.879
H9 1.014 -1.807 0.810
H10 1.014 -1.807 -0.810

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22181.36501.52982.52061.88112.14712.14712.69272.6927
O21.22182.27632.44552.86892.29223.14393.14392.75362.7536
O31.36502.27632.39823.70540.98612.62782.62783.94853.9485
C41.52982.44552.39821.45523.22851.10591.10592.02662.0266
N52.52062.86893.70541.45524.39512.10592.10591.02781.0278
H61.88112.29220.98613.22854.39513.51843.51844.51214.5121
H72.14713.14392.62781.10592.10593.51841.75882.41792.9488
H82.14713.14392.62781.10592.10593.51841.75882.94882.4179
H92.69272.75363.94852.02661.02784.51212.41792.94881.6200
H102.69272.75363.94852.02661.02784.51212.94882.41791.6200

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.134 C1 C4 N5 115.203
C1 C4 H7 108.028 C1 C4 H8 108.028
O2 C1 O3 123.179 O2 C1 C4 125.067
O3 C1 C4 111.754 C4 N5 H9 108.175
C4 N5 H10 108.175 N5 C4 H7 109.876
N5 C4 H8 109.876 H7 C4 H8 105.349
H9 N5 H10 104.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.489      
2 O -0.428      
3 O -0.522      
4 C -0.283      
5 N -0.665      
6 H 0.400      
7 H 0.197      
8 H 0.197      
9 H 0.308      
10 H 0.308      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.588 1.135 0.000 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.628 -2.385 0.000
y -2.385 -29.697 0.000
z 0.000 0.000 -27.038
Traceless
 xyz
x -3.260 -2.385 0.000
y -2.385 -0.365 0.000
z 0.000 0.000 3.625
Polar
3z2-r27.250
x2-y2-1.931
xy-2.385
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.606 -0.371 0.000
y -0.371 5.962 0.000
z 0.000 0.000 3.825


<r2> (average value of r2) Å2
<r2> 118.829
(<r2>)1/2 10.901