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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-284.117540
Energy at 298.15K-284.124319
Nuclear repulsion energy177.904834
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' 3623 3574 24.85      
2 A' 3408 3361 0.19      
3 A' 2985 2944 16.73      
4 A' 1788 1764 225.57      
5 A' 1637 1615 17.47      
6 A' 1416 1396 12.21      
7 A' 1362 1343 24.40      
8 A' 1274 1256 8.99      
9 A' 1149 1133 54.67      
10 A' 1107 1092 195.21      
11 A' 921 909 156.52      
12 A' 808 797 70.01      
13 A' 615 607 7.18      
14 A' 450 443 33.48      
15 A' 252 248 9.66      
16 A" 3485 3437 0.45      
17 A" 3026 2985 7.74      
18 A" 1352 1334 0.57      
19 A" 1145 1129 0.64      
20 A" 895 883 3.06      
21 A" 668 659 92.47      
22 A" 496 489 31.70      
23 A" 223 220 47.27      
24 A" 47 46 6.61      

Unscaled Zero Point Vibrational Energy (zpe) 17064.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 16831.0 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
0.33890 0.12812 0.09602

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 1.193 0.817 0.000
O3 -0.977 1.504 0.000
C4 -0.585 -0.861 0.000
N5 0.394 -1.937 0.000
H6 -0.498 2.362 0.000
H7 -1.250 -0.952 0.878
H8 -1.250 -0.952 -0.878
H9 1.012 -1.806 0.808
H10 1.012 -1.806 -0.808

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22191.36411.52912.51951.87712.14342.14342.69032.6903
O21.22192.27572.44462.86742.29023.14113.14112.75092.7509
O31.36412.27572.39733.70370.98202.62252.62253.94543.9454
C41.52912.44462.39731.45443.22371.10511.10512.02432.0243
N52.51952.86743.70371.45444.38992.10762.10761.02621.0262
H61.87712.29020.98203.22374.38993.50933.50934.50604.5060
H72.14343.14112.62251.10512.10763.50931.75632.41882.9480
H82.14343.14112.62251.10512.10763.50931.75632.94802.4188
H92.69032.75093.94542.02431.02624.50602.41882.94801.6169
H102.69032.75093.94542.02431.02624.50602.94802.41881.6169

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.109 C1 C4 N5 115.211
C1 C4 H7 107.829 C1 C4 H8 107.829
O2 C1 O3 123.189 O2 C1 C4 125.032
O3 C1 C4 111.779 C4 N5 H9 108.142
C4 N5 H10 108.142 N5 C4 H7 110.116
N5 C4 H8 110.116 H7 C4 H8 105.233
H9 N5 H10 103.966
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 0.480      
2 O -0.430      
3 O -0.441      
4 C -0.188      
5 N -0.559      
6 H 0.317      
7 H 0.160      
8 H 0.160      
9 H 0.251      
10 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.630 1.091 0.000 1.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.572 -2.381 0.000
y -2.381 -29.524 0.000
z 0.000 0.000 -27.047
Traceless
 xyz
x -3.287 -2.381 0.000
y -2.381 -0.215 0.000
z 0.000 0.000 3.501
Polar
3z2-r27.003
x2-y2-2.048
xy-2.381
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.649 -0.369 0.000
y -0.369 6.007 0.000
z 0.000 0.000 3.873


<r2> (average value of r2) Å2
<r2> 118.656
(<r2>)1/2 10.893