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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-284.351095
Energy at 298.15K-284.358053
Nuclear repulsion energy179.620911
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 mPW1PW91/6-31G*
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' 3749 3555 50.88      
2 A' 3529 3347 0.98      
3 A' 3089 2929 15.88      
4 A' 1885 1787 273.98      
5 A' 1724 1635 22.82      
6 A' 1487 1410 14.37      
7 A' 1442 1368 32.94      
8 A' 1340 1271 11.01      
9 A' 1205 1142 158.56      
10 A' 1173 1113 117.54      
11 A' 969 919 168.77      
12 A' 850 806 80.34      
13 A' 646 612 9.09      
14 A' 470 445 34.80      
15 A' 260 247 10.08      
16 A" 3612 3425 2.38      
17 A" 3131 2970 7.81      
18 A" 1411 1338 0.30      
19 A" 1200 1138 1.12      
20 A" 935 886 4.48      
21 A" 687 651 110.03      
22 A" 517 490 33.19      
23 A" 240 228 55.09      
24 A" 64 61 5.92      

Unscaled Zero Point Vibrational Energy (zpe) 17806.2 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 16885.6 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 mPW1PW91/6-31G*
ABC
0.34656 0.13032 0.09783

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.549 0.000
O2 1.178 0.812 0.000
O3 -0.963 1.490 0.000
C4 -0.581 -0.853 0.000
N5 0.392 -1.918 0.000
H6 -0.506 2.347 0.000
H7 -1.238 -0.945 0.872
H8 -1.238 -0.945 -0.872
H9 1.001 -1.812 0.806
H10 1.001 -1.812 -0.806

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20721.34631.51742.49741.86802.12722.12722.68852.6885
O21.20722.24592.42212.84052.27873.11233.11232.75122.7512
O31.34632.24592.37353.66680.97192.60052.60053.92573.9257
C41.51742.42212.37351.44233.20101.09571.09572.01822.0182
N52.49742.84053.66681.44234.35822.08912.08911.01571.0157
H61.86802.27870.97193.20104.35823.48353.48354.49704.4970
H72.12723.11232.60051.09572.08913.48351.74372.40242.9296
H82.12723.11232.60051.09572.08913.48351.74372.92962.4024
H92.68852.75123.92572.01821.01574.49702.40242.92961.6121
H102.68852.75123.92572.01821.01574.49702.92962.40241.6121

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.259 C1 C4 N5 115.062
C1 C4 H7 107.891 C1 C4 H8 107.891
O2 C1 O3 123.084 O2 C1 C4 125.099
O3 C1 C4 111.817 C4 N5 H9 109.154
C4 N5 H10 109.154 N5 C4 H7 110.045
N5 C4 H8 110.045 H7 C4 H8 105.438
H9 N5 H10 105.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.558      
2 O -0.471      
3 O -0.578      
4 C -0.297      
5 N -0.724      
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
  -0.662 1.122 0.000 1.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.729 -2.499 0.000
y -2.499 -29.500 0.000
z 0.000 0.000 -26.767
Traceless
 xyz
x -3.596 -2.499 0.000
y -2.499 -0.252 0.000
z 0.000 0.000 3.848
Polar
3z2-r27.695
x2-y2-2.229
xy-2.499
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 116.896
(<r2>)1/2 10.812