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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/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 HF/CEP-121G*
 hartrees
Energy at 0K-54.984733
Energy at 298.15K-54.991910
Nuclear repulsion energy101.038074
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/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' 4081 3687 94.23      
2 A' 3735 3374 1.13      
3 A' 3231 2919 25.33      
4 A' 1979 1788 436.16      
5 A' 1853 1674 23.34      
6 A' 1600 1446 9.05      
7 A' 1555 1405 27.90      
8 A' 1431 1293 12.92      
9 A' 1296 1171 326.11      
10 A' 1215 1098 46.74      
11 A' 1051 949 201.07      
12 A' 900 813 57.06      
13 A' 687 621 16.91      
14 A' 494 447 33.51      
15 A' 275 248 10.58      
16 A" 3810 3442 2.52      
17 A" 3274 2957 22.40      
18 A" 1507 1362 0.13      
19 A" 1288 1164 2.17      
20 A" 997 901 3.74      
21 A" 695 628 138.65      
22 A" 548 495 38.15      
23 A" 256 231 60.62      
24 A" 73 66 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 18915.9 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 17088.6 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 HF/CEP-121G*
ABC
0.35113 0.12923 0.09754

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
O2 1.159 0.845 0.000
O3 -0.969 1.485 0.000
C4 -0.570 -0.857 0.000
N5 0.419 -1.916 0.000
H6 -0.559 2.344 0.000
H7 -1.215 -0.949 0.869
H8 -1.215 -0.949 -0.869
H9 1.016 -1.829 0.801
H10 1.016 -1.829 -0.801

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.19391.33941.52732.51161.86952.12342.12342.71742.7174
O21.19392.22272.42612.85872.28063.10003.10002.79532.7953
O31.33942.22272.37553.67330.95212.59612.59613.94543.9454
C41.52732.42612.37551.44893.20101.08581.08582.02542.0254
N52.51162.85873.67331.44894.37112.08742.08741.00321.0032
H61.86952.28060.95213.20104.37113.46863.46864.53224.5322
H72.12343.10002.59611.08582.08743.46861.73712.39892.9221
H82.12343.10002.59611.08582.08743.46861.73712.92212.3989
H92.71742.79533.94542.02541.00324.53222.39892.92211.6027
H102.71742.79533.94542.02541.00324.53222.92212.39891.6027

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.145 C1 C4 N5 115.078
C1 C4 H7 107.495 C1 C4 H8 107.495
O2 C1 O3 122.556 O2 C1 C4 125.695
O3 C1 C4 111.749 C4 N5 H9 110.047
C4 N5 H10 110.047 N5 C4 H7 110.058
N5 C4 H8 110.058 H7 C4 H8 106.249
H9 N5 H10 106.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.425      
2 O -0.419      
3 O -0.550      
4 C -0.267      
5 N -0.713      
6 H 0.471      
7 H 0.198      
8 H 0.198      
9 H 0.328      
10 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.913 0.977 0.000 1.337
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.029 -2.805 0.000
y -2.805 -30.399 0.000
z 0.000 0.000 -27.028
Traceless
 xyz
x -4.316 -2.805 0.000
y -2.805 -0.370 0.000
z 0.000 0.000 4.686
Polar
3z2-r29.372
x2-y2-2.630
xy-2.805
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