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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-282.869082
Energy at 298.15K-282.876270
Nuclear repulsion energy181.358600
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 HF/6-31G(2df,p)
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' 4119 3730 105.90      
2 A' 3742 3388 3.81      
3 A' 3197 2895 21.58      
4 A' 2020 1829 363.82      
5 A' 1812 1640 22.01      
6 A' 1584 1434 9.57      
7 A' 1553 1406 35.06      
8 A' 1433 1298 17.36      
9 A' 1292 1170 280.47      
10 A' 1221 1106 48.23      
11 A' 1024 927 159.12      
12 A' 900 815 83.74      
13 A' 697 631 13.60      
14 A' 503 455 30.04      
15 A' 278 252 10.29      
16 A" 3817 3456 7.02      
17 A" 3235 2929 14.16      
18 A" 1500 1358 0.00      
19 A" 1283 1162 2.51      
20 A" 1003 909 6.48      
21 A" 700 634 108.20      
22 A" 550 498 38.32      
23 A" 240 217 48.37      
24 A" 79 71 6.06      

Unscaled Zero Point Vibrational Energy (zpe) 18890.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 17105.4 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 HF/6-31G(2df,p)
ABC
0.35690 0.13134 0.09917

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
O2 1.150 0.824 0.000
O3 -0.959 1.470 0.000
C4 -0.569 -0.852 0.000
N5 0.409 -1.907 0.000
H6 -0.554 2.325 0.000
H7 -1.217 -0.941 0.867
H8 -1.217 -0.941 -0.867
H9 1.004 -1.827 0.799
H10 1.004 -1.827 -0.799

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.18171.32721.51562.49361.85672.11252.11252.70322.7032
O21.18172.20542.40112.83042.27023.07743.07742.77272.7727
O31.32722.20542.35503.64390.94572.57532.57533.91933.9193
C41.51562.40112.35501.43843.17711.08581.08582.01552.0155
N52.49362.83043.64391.43844.34012.08042.08040.99970.9997
H61.85672.27020.94573.17714.34013.44333.44334.50554.5055
H72.11253.07742.57531.08582.08043.44331.73312.39222.9141
H82.11253.07742.57531.08582.08043.44331.73312.91412.3922
H92.70322.77273.91932.01550.99974.50552.39222.91411.5980
H102.70322.77273.91932.01550.99974.50552.91412.39221.5980

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.383 C1 C4 N5 115.136
C1 C4 H7 107.448 C1 C4 H8 107.448
O2 C1 O3 122.953 O2 C1 C4 125.343
O3 C1 C4 111.704 C4 N5 H9 110.220
C4 N5 H10 110.220 N5 C4 H7 110.229
N5 C4 H8 110.229 H7 C4 H8 105.896
H9 N5 H10 106.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.560      
2 O -0.453      
3 O -0.507      
4 C -0.215      
5 N -0.619      
6 H 0.349      
7 H 0.167      
8 H 0.167      
9 H 0.276      
10 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.915 0.867 0.000 1.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.143 -2.685 0.000
y -2.685 -29.308 0.000
z 0.000 0.000 -26.672
Traceless
 xyz
x -4.153 -2.685 0.000
y -2.685 0.099 0.000
z 0.000 0.000 4.054
Polar
3z2-r28.108
x2-y2-2.835
xy-2.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.181 -0.228 0.000
y -0.228 5.181 0.000
z 0.000 0.000 3.903


<r2> (average value of r2) Å2
<r2> 115.689
(<r2>)1/2 10.756