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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-55.372504
Energy at 298.15K-55.379273
HF Energy-54.837816
Nuclear repulsion energy97.338090
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 MP2/CEP-121G
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' 3576 3490 33.86      
2 A' 3478 3394 0.98      
3 A' 3030 2957 15.85      
4 A' 1742 1700 36.63      
5 A' 1650 1610 169.97      
6 A' 1492 1457 23.74      
7 A' 1402 1368 2.76      
8 A' 1277 1247 19.07      
9 A' 1144 1116 11.01      
10 A' 1044 1019 305.17      
11 A' 849 829 155.18      
12 A' 769 750 182.65      
13 A' 594 579 4.68      
14 A' 434 424 43.21      
15 A' 241 235 11.30      
16 A" 3607 3520 1.80      
17 A" 3099 3024 12.36      
18 A" 1381 1348 0.01      
19 A" 1194 1165 0.01      
20 A" 912 890 0.96      
21 A" 612 597 158.62      
22 A" 493 481 37.14      
23 A" 240 234 60.01      
24 A" 61 59 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 17158.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 16746.4 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 MP2/CEP-121G
ABC
0.31869 0.12151 0.09081

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.563 0.000
O2 1.213 0.908 0.000
O3 -1.062 1.510 0.000
C4 -0.559 -0.884 0.000
N5 0.469 -1.952 0.000
H6 -0.704 2.432 0.000
H7 -1.203 -0.996 0.886
H8 -1.203 -0.996 -0.886
H9 1.049 -1.952 0.840
H10 1.049 -1.952 -0.840

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.26151.42301.55132.55771.99712.15882.15882.85112.8511
O21.26152.35362.52092.95542.44903.20133.20132.98522.9852
O31.42302.35362.44613.78470.98902.66102.66104.14064.1406
C41.55132.52092.44611.48183.31901.10061.10062.10532.1053
N52.55772.95543.78471.48184.53742.11952.11951.02111.0211
H61.99712.44900.98903.31904.53743.57493.57494.79514.7951
H72.15883.20132.66101.10062.11953.57491.77142.44722.9940
H82.15883.20132.66101.10062.11953.57491.77142.99402.4472
H92.85112.98524.14062.10531.02114.79512.44722.99401.6795
H102.85112.98524.14062.10531.02114.79512.99402.44721.6795

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 110.492 C1 C4 N5 114.953
C1 C4 H7 107.782 C1 C4 H8 107.782
O2 C1 O3 122.391 O2 C1 C4 127.029
O3 C1 C4 110.580 C4 N5 H9 113.236
C4 N5 H10 113.236 N5 C4 H7 109.431
N5 C4 H8 109.431 H7 C4 H8 107.173
H9 N5 H10 110.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.142      
2 O -0.172      
3 O -0.436      
4 C -0.272      
5 N -0.581      
6 H 0.381      
7 H 0.192      
8 H 0.192      
9 H 0.277      
10 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.417 0.746 0.000 0.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.865 -3.192 0.000
y -3.192 -31.134 0.000
z 0.000 0.000 -28.100
Traceless
 xyz
x -5.248 -3.192 0.000
y -3.192 0.349 0.000
z 0.000 0.000 4.900
Polar
3z2-r29.799
x2-y2-3.731
xy-3.192
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> 0.000
(<r2>)1/2 0.000