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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: PBEPBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-284.136969
Energy at 298.15K-284.143733
Nuclear repulsion energy177.503145
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/6-31+G**
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' 3627 3586 36.13      
2 A' 3434 3395 0.91      
3 A' 2986 2951 17.35      
4 A' 1761 1741 282.08      
5 A' 1634 1615 25.19      
6 A' 1406 1390 18.45      
7 A' 1347 1331 16.77      
8 A' 1258 1244 18.36      
9 A' 1139 1126 18.89      
10 A' 1093 1081 250.84      
11 A' 881 871 118.42      
12 A' 796 787 95.29      
13 A' 612 605 4.40      
14 A' 448 443 33.68      
15 A' 248 245 10.53      
16 A" 3518 3478 5.23      
17 A" 3027 2993 5.07      
18 A" 1341 1326 0.24      
19 A" 1142 1129 0.49      
20 A" 886 876 1.93      
21 A" 646 639 94.52      
22 A" 494 488 34.84      
23 A" 230 228 52.12      
24 A" 53 52 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 17002.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 16809.1 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/6-31+G**
ABC
0.33797 0.12695 0.09531

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.556 0.000
O2 1.188 0.846 0.000
O3 -0.994 1.493 0.000
C4 -0.569 -0.865 0.000
N5 0.406 -1.941 0.000
H6 -0.549 2.368 0.000
H7 -1.233 -0.958 0.878
H8 -1.233 -0.958 -0.878
H9 1.018 -1.861 0.817
H10 1.018 -1.861 -0.817

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22311.36621.52972.52931.89342.14092.14092.74632.7463
O21.22312.27592.45212.89492.30893.14463.14462.83282.8328
O31.36622.27592.39523.70790.98202.61462.61463.99513.9951
C41.52972.45212.39521.45193.23231.10521.10522.04382.0438
N52.52932.89493.70791.45194.41312.10272.10271.02421.0242
H61.89342.30890.98203.23234.41313.50763.50764.58274.5827
H72.14093.14462.61461.10522.10273.50761.75672.42552.9588
H82.14093.14462.61461.10522.10273.50761.75672.95882.4255
H92.74632.83283.99512.04381.02424.58272.42552.95881.6344
H102.74632.83283.99512.04381.02424.58272.95882.42551.6344

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.323 C1 C4 N5 116.028
C1 C4 H7 107.594 C1 C4 H8 107.594
O2 C1 O3 122.946 O2 C1 C4 125.570
O3 C1 C4 111.483 C4 N5 H9 110.063
C4 N5 H10 110.063 N5 C4 H7 109.891
N5 C4 H8 109.891 H7 C4 H8 105.271
H9 N5 H10 105.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.305      
2 O -0.418      
3 O -0.389      
4 C -0.276      
5 N -0.600      
6 H 0.357      
7 H 0.200      
8 H 0.200      
9 H 0.310      
10 H 0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.768 0.911 0.000 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.208 -2.882 0.000
y -2.882 -30.983 0.000
z 0.000 0.000 -27.862
Traceless
 xyz
x -3.786 -2.882 0.000
y -2.882 -0.448 0.000
z 0.000 0.000 4.234
Polar
3z2-r28.468
x2-y2-2.225
xy-2.882
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.853 -0.257 0.000
y -0.257 7.436 0.000
z 0.000 0.000 4.685


<r2> (average value of r2) Å2
<r2> 120.374
(<r2>)1/2 10.972