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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-284.391977
Energy at 298.15K-284.398928
Nuclear repulsion energy179.488501
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 B3PW91/6-311G*
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' 3748 3608 31.36      
2 A' 3520 3388 0.13      
3 A' 3057 2943 19.37      
4 A' 1849 1780 298.78      
5 A' 1730 1666 25.20      
6 A' 1464 1409 17.94      
7 A' 1416 1363 22.08      
8 A' 1325 1276 3.46      
9 A' 1186 1142 153.41      
10 A' 1153 1110 151.71      
11 A' 949 913 169.65      
12 A' 837 806 83.68      
13 A' 644 620 8.39      
14 A' 467 449 33.95      
15 A' 256 246 10.07      
16 A" 3591 3457 0.78      
17 A" 3093 2977 10.59      
18 A" 1404 1351 0.43      
19 A" 1197 1152 1.21      
20 A" 928 893 4.52      
21 A" 690 665 119.20      
22 A" 515 496 33.85      
23 A" 238 229 53.52      
24 A" 64 61 5.40      

Unscaled Zero Point Vibrational Energy (zpe) 17658.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17000.0 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 B3PW91/6-311G*
ABC
0.34706 0.12956 0.09744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
O2 1.171 0.830 0.000
O3 -0.975 1.482 0.000
C4 -0.570 -0.856 0.000
N5 0.405 -1.922 0.000
H6 -0.543 2.348 0.000
H7 -1.229 -0.951 0.870
H8 -1.229 -0.951 -0.870
H9 1.011 -1.831 0.808
H10 1.011 -1.831 -0.808

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20351.34791.51852.50601.87702.12722.12722.71122.7112
O21.20352.24292.42322.85622.28973.11253.11252.78542.7854
O31.34792.24292.37293.67250.96812.59622.59623.94623.9462
C41.51852.42322.37291.44383.20431.09541.09542.02522.0252
N52.50602.85623.67251.44384.37372.08962.08961.01421.0142
H61.87702.28970.96813.20434.37373.48033.48034.53134.5313
H72.12723.11252.59621.09542.08963.48031.73912.40732.9334
H82.12723.11252.59621.09542.08963.48031.73912.93342.4073
H92.71122.78543.94622.02521.01424.53132.40732.93341.6157
H102.71122.78543.94622.02521.01424.53132.93342.40731.6157

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.139 C1 C4 N5 115.525
C1 C4 H7 107.839 C1 C4 H8 107.839
O2 C1 O3 122.974 O2 C1 C4 125.413
O3 C1 C4 111.613 C4 N5 H9 109.725
C4 N5 H10 109.725 N5 C4 H7 110.003
N5 C4 H8 110.003 H7 C4 H8 105.090
H9 N5 H10 105.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.389      
2 O -0.343      
3 O -0.505      
4 C -0.387      
5 N -0.727      
6 H 0.404      
7 H 0.258      
8 H 0.258      
9 H 0.327      
10 H 0.327      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.628 1.091 0.000 1.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.327 -2.670 0.000
y -2.670 -29.717 0.000
z 0.000 0.000 -27.000
Traceless
 xyz
x -3.969 -2.670 0.000
y -2.670 -0.053 0.000
z 0.000 0.000 4.023
Polar
3z2-r28.045
x2-y2-2.611
xy-2.670
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