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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-283.666297
Energy at 298.15K-283.673302
HF Energy-282.844613
Nuclear repulsion energy179.121183
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3814 3564 61.87      
2 A' 3585 3350 1.23      
3 A' 3148 2942 13.42      
4 A' 1854 1732 211.52      
5 A' 1716 1604 20.68      
6 A' 1518 1418 10.26      
7 A' 1453 1357 27.43      
8 A' 1341 1253 21.19      
9 A' 1202 1123 88.12      
10 A' 1163 1087 192.33      
11 A' 983 919 165.16      
12 A' 858 801 70.58      
13 A' 642 600 9.17      
14 A' 472 441 35.41      
15 A' 264 247 9.46      
16 A" 3679 3438 3.04      
17 A" 3205 2994 7.08      
18 A" 1423 1330 0.35      
19 A" 1211 1132 0.76      
20 A" 943 881 1.79      
21 A" 679 635 113.59      
22 A" 521 487 31.17      
23 A" 250 234 54.16      
24 A" 67 62 5.19      

Unscaled Zero Point Vibrational Energy (zpe) 17995.1 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 16814.6 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 MP2=FULL/6-31G**
ABC
0.34174 0.13021 0.09737

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.546 0.000
O2 1.187 0.816 0.000
O3 -0.978 1.487 0.000
C4 -0.581 -0.853 0.000
N5 0.398 -1.920 0.000
H6 -0.521 2.344 0.000
H7 -1.231 -0.944 0.871
H8 -1.231 -0.944 -0.871
H9 1.005 -1.802 0.803
H10 1.005 -1.802 -0.803

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21731.35681.51512.49791.87132.11962.11962.67742.6774
O21.21732.26642.43152.84712.29143.11453.11452.74432.7443
O31.35682.26642.37323.67420.97072.59442.59443.92343.9234
C41.51512.43152.37321.44843.19701.09001.09002.01552.0155
N52.49792.84713.67421.44844.36132.08912.08911.01351.0135
H61.87132.29140.97073.19704.36133.47393.47394.48984.4898
H72.11963.11452.59441.09002.08913.47391.74152.39582.9218
H82.11963.11452.59441.09002.08913.47391.74152.92182.3958
H92.67742.74433.92342.01551.01354.48982.39582.92181.6063
H102.67742.74433.92342.01551.01354.48982.92182.39581.6063

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.829 C1 C4 N5 114.879
C1 C4 H7 107.792 C1 C4 H8 107.792
O2 C1 O3 123.299 O2 C1 C4 125.365
O3 C1 C4 111.335 C4 N5 H9 108.619
C4 N5 H10 108.619 N5 C4 H7 109.969
N5 C4 H8 109.969 H7 C4 H8 106.040
H9 N5 H10 104.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.530      
2 O -0.436      
3 O -0.508      
4 C -0.149      
5 N -0.612      
6 H 0.341      
7 H 0.156      
8 H 0.156      
9 H 0.261      
10 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.545 1.169 0.000 1.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.339 -2.266 0.000
y -2.266 -30.329 0.000
z 0.000 0.000 -27.305
Traceless
 xyz
x -3.523 -2.266 0.000
y -2.266 -0.507 0.000
z 0.000 0.000 4.029
Polar
3z2-r28.059
x2-y2-2.011
xy-2.266
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> 117.652
(<r2>)1/2 10.847