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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-284.410490
Energy at 298.15K-284.417386
Nuclear repulsion energy179.379373
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 mPW1PW91/aug-cc-pVDZ
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' 3799 3641 64.71      
2 A' 3540 3393 2.48      
3 A' 3075 2947 18.35      
4 A' 1842 1766 299.91      
5 A' 1664 1595 18.56      
6 A' 1440 1380 17.53      
7 A' 1410 1351 31.10      
8 A' 1309 1254 8.68      
9 A' 1186 1137 75.09      
10 A' 1155 1107 217.16      
11 A' 926 887 92.76      
12 A' 835 800 99.07      
13 A' 639 613 5.47      
14 A' 468 448 32.84      
15 A' 256 245 10.39      
16 A" 3618 3467 6.27      
17 A" 3119 2989 5.51      
18 A" 1380 1322 0.06      
19 A" 1181 1132 1.32      
20 A" 918 880 3.15      
21 A" 657 630 91.68      
22 A" 516 494 27.80      
23 A" 210 201 44.36      
24 A" 59 57 5.42      

Unscaled Zero Point Vibrational Energy (zpe) 17600.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 16866.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.34615 0.12949 0.09735

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.550 0.000
O2 1.173 0.834 0.000
O3 -0.978 1.480 0.000
C4 -0.567 -0.855 0.000
N5 0.402 -1.922 0.000
H6 -0.543 2.344 0.000
H7 -1.227 -0.944 0.874
H8 -1.227 -0.944 -0.874
H9 1.011 -1.841 0.808
H10 1.011 -1.841 -0.808

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20691.34951.51542.50511.87472.12192.12192.71892.7189
O21.20692.24562.42532.86262.28583.11243.11242.79932.7993
O31.34952.24562.37123.67170.96752.58902.58903.95453.9545
C41.51542.42532.37121.44163.19981.09891.09892.02862.0286
N52.50512.86263.67171.44164.37032.09182.09181.01531.0153
H61.87472.28580.96753.19984.37033.47083.47084.53714.5371
H72.12193.11242.58901.09892.09183.47081.74822.41212.9401
H82.12193.11242.58901.09892.09183.47081.74822.94012.4121
H92.71892.79933.95452.02861.01534.53712.41212.94011.6166
H102.71892.79933.95452.02861.01534.53712.94012.41211.6166

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.861 C1 C4 N5 115.786
C1 C4 H7 107.439 C1 C4 H8 107.439
O2 C1 O3 122.815 O2 C1 C4 125.595
O3 C1 C4 111.590 C4 N5 H9 110.104
C4 N5 H10 110.104 N5 C4 H7 110.118
N5 C4 H8 110.118 H7 C4 H8 105.389
H9 N5 H10 105.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.703      
2 O -0.563      
3 O -0.484      
4 C 0.549      
5 N -0.241      
6 H 0.186      
7 H -0.074      
8 H -0.074      
9 H -0.001      
10 H -0.001      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.920 0.782 0.000 1.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.753 -2.718 0.000
y -2.718 -30.230 0.000
z 0.000 0.000 -27.450
Traceless
 xyz
x -3.913 -2.718 0.000
y -2.718 -0.128 0.000
z 0.000 0.000 4.041
Polar
3z2-r28.083
x2-y2-2.523
xy-2.718
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.724 -0.222 0.000
y -0.222 7.302 0.000
z 0.000 0.000 4.918


<r2> (average value of r2) Å2
<r2> 117.956
(<r2>)1/2 10.861