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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-55.305897
Energy at 298.15K-55.312611
HF Energy-54.826333
Nuclear repulsion energy96.858087
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-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' 3636 3514 35.73      
2 A' 3546 3427 0.90      
3 A' 3090 2986 20.98      
4 A' 1729 1670 34.87      
5 A' 1657 1601 159.42      
6 A' 1493 1443 22.21      
7 A' 1396 1349 6.82      
8 A' 1281 1238 14.38      
9 A' 1144 1106 8.56      
10 A' 1055 1020 314.92      
11 A' 840 812 84.58      
12 A' 735 711 268.15      
13 A' 594 574 3.36      
14 A' 434 420 45.25      
15 A' 239 231 12.33      
16 A" 3672 3548 2.41      
17 A" 3162 3056 17.14      
18 A" 1380 1333 0.01      
19 A" 1196 1155 0.21      
20 A" 913 882 1.84      
21 A" 618 597 174.87      
22 A" 496 479 37.44      
23 A" 232 224 66.28      
24 A" 66 64 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 17301.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 16718.3 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 MP2/CEP-31G
ABC
0.31540 0.12027 0.08989

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.568 0.000
O2 1.216 0.925 0.000
O3 -1.071 1.509 0.000
C4 -0.558 -0.890 0.000
N5 0.476 -1.959 0.000
H6 -0.723 2.439 0.000
H7 -1.206 -1.004 0.892
H8 -1.206 -1.004 -0.892
H9 1.057 -1.976 0.845
H10 1.057 -1.976 -0.845

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.26731.42571.56122.57182.00572.17262.17262.88162.8816
O21.26732.36002.53822.97802.45953.22213.22213.02613.0261
O31.42572.36002.45343.79800.99272.67002.67004.17014.1701
C41.56122.53822.45341.48793.33301.10811.10812.12202.1220
N52.57182.97803.79801.48794.55882.13042.13041.02541.0254
H62.00572.45950.99273.33304.55883.58903.58904.83474.8347
H72.17263.22212.67001.10812.13043.58901.78362.46373.0139
H82.17263.22212.67001.10812.13043.58901.78363.01392.4637
H92.88163.02614.17012.12201.02544.83472.46373.01391.6896
H102.88163.02614.17012.12201.02544.83473.01392.46371.6896

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 110.793 C1 C4 N5 115.000
C1 C4 H7 107.752 C1 C4 H8 107.752
O2 C1 O3 122.304 O2 C1 C4 127.327
O3 C1 C4 110.368 C4 N5 H9 113.932
C4 N5 H10 113.932 N5 C4 H7 109.432
N5 C4 H8 109.432 H7 C4 H8 107.181
H9 N5 H10 110.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.106      
2 O -0.110      
3 O -0.392      
4 C -0.096      
5 N -0.514      
6 H 0.390      
7 H 0.155      
8 H 0.155      
9 H 0.258      
10 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.420 0.791 0.000 0.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.895 -3.545 0.000
y -3.545 -31.368 0.000
z 0.000 0.000 -28.055
Traceless
 xyz
x -5.184 -3.545 0.000
y -3.545 0.107 0.000
z 0.000 0.000 5.077
Polar
3z2-r210.153
x2-y2-3.527
xy-3.545
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