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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-282.844176
Energy at 298.15K-282.850945
Nuclear repulsion energy177.185901
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 B3LYP/3-21G
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' 3456 3335 6.32      
2 A' 3408 3289 0.03      
3 A' 3072 2964 11.42      
4 A' 1786 1723 170.04      
5 A' 1738 1677 16.97      
6 A' 1502 1450 22.37      
7 A' 1391 1343 23.43      
8 A' 1336 1289 2.50      
9 A' 1130 1091 30.46      
10 A' 1088 1050 214.69      
11 A' 836 807 30.48      
12 A' 749 723 270.33      
13 A' 625 603 4.01      
14 A' 453 437 36.50      
15 A' 236 227 13.64      
16 A" 3495 3372 0.10      
17 A" 3108 2999 6.30      
18 A" 1396 1347 0.72      
19 A" 1215 1173 0.76      
20 A" 925 893 3.77      
21 A" 666 642 120.89      
22 A" 511 493 47.63      
23 A" 219 211 53.11      
24 A" 51 49 11.32      

Unscaled Zero Point Vibrational Energy (zpe) 17196.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 16592.5 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 B3LYP/3-21G
ABC
0.33264 0.12828 0.09568

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.545 0.000
O2 1.188 0.843 0.000
O3 -1.016 1.479 0.000
C4 -0.579 -0.865 0.000
N5 0.441 -1.917 0.000
H6 -0.611 2.392 0.000
H7 -1.226 -0.967 0.878
H8 -1.226 -0.967 -0.878
H9 1.036 -1.850 0.831
H10 1.036 -1.850 -0.831

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22511.38001.52502.50151.94462.13572.13572.73912.7391
O21.22512.29442.45832.85962.37363.14263.14262.82272.8227
O31.38002.29442.38483.69540.99862.60752.60753.99833.9983
C41.52502.45832.38481.46493.25711.09531.09532.06632.0663
N52.50152.85963.69541.46494.43502.10962.10961.02441.0244
H61.94462.37360.99863.25714.43503.52573.52574.62554.6255
H72.13573.14262.60751.09532.10963.52571.75652.42862.9694
H82.13573.14262.60751.09532.10963.52571.75652.96942.4286
H92.73912.82273.99832.06631.02444.62552.42862.96941.6618
H102.73912.82273.99832.06631.02444.62552.96942.42861.6618

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.617 C1 C4 N5 113.558
C1 C4 H7 108.067 C1 C4 H8 108.067
O2 C1 O3 123.351 O2 C1 C4 126.389
O3 C1 C4 110.260 C4 N5 H9 110.969
C4 N5 H10 110.969 N5 C4 H7 110.138
N5 C4 H8 110.138 H7 C4 H8 106.606
H9 N5 H10 108.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.593      
2 O -0.482      
3 O -0.554      
4 C -0.314      
5 N -0.636      
6 H 0.362      
7 H 0.242      
8 H 0.242      
9 H 0.274      
10 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.457 1.154 0.000 1.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.001 -2.643 0.000
y -2.643 -29.241 0.000
z 0.000 0.000 -26.740
Traceless
 xyz
x -4.011 -2.643 0.000
y -2.643 0.130 0.000
z 0.000 0.000 3.881
Polar
3z2-r27.763
x2-y2-2.760
xy-2.643
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> 119.323
(<r2>)1/2 10.924