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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-284.365940
Energy at 298.15K-284.372889
Nuclear repulsion energy179.729685
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 mPW1PW91/6-31G**
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' 3819 3634 54.48      
2 A' 3554 3381 1.34      
3 A' 3082 2933 16.10      
4 A' 1882 1791 272.09      
5 A' 1694 1612 22.14      
6 A' 1469 1398 13.55      
7 A' 1436 1366 40.33      
8 A' 1329 1264 12.64      
9 A' 1198 1140 141.71      
10 A' 1169 1112 128.48      
11 A' 951 905 150.32      
12 A' 846 805 96.76      
13 A' 645 614 8.37      
14 A' 470 448 34.78      
15 A' 260 248 10.32      
16 A" 3635 3459 3.20      
17 A" 3126 2974 7.38      
18 A" 1398 1330 0.29      
19 A" 1189 1132 1.04      
20 A" 930 885 4.73      
21 A" 681 648 106.14      
22 A" 514 489 33.67      
23 A" 234 223 51.75      
24 A" 63 60 6.63      

Unscaled Zero Point Vibrational Energy (zpe) 17787.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16924.6 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 mPW1PW91/6-31G**
ABC
0.34682 0.13047 0.09793

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.549 0.000
O2 1.178 0.811 0.000
O3 -0.962 1.489 0.000
C4 -0.581 -0.853 0.000
N5 0.391 -1.917 0.000
H6 -0.507 2.343 0.000
H7 -1.239 -0.940 0.871
H8 -1.239 -0.940 -0.871
H9 0.999 -1.813 0.805
H10 0.999 -1.813 -0.805

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20731.34531.51682.49621.86492.12362.12362.68782.6878
O21.20732.24522.42122.83912.27763.10963.10962.75082.7508
O31.34532.24522.37263.66490.96802.59532.59533.92413.9241
C41.51682.42122.37261.44123.19681.09531.09532.01662.0166
N52.49622.83913.66491.44124.35372.09072.09071.01421.0142
H61.86492.27760.96803.19684.35373.47493.47494.49354.4935
H72.12363.10962.59531.09532.09073.47491.74182.40342.9294
H82.12363.10962.59531.09532.09073.47491.74182.92942.4034
H92.68782.75083.92412.01661.01424.49352.40342.92941.6105
H102.68782.75083.92412.01661.01424.49352.92942.40341.6105

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.293 C1 C4 N5 115.081
C1 C4 H7 107.688 C1 C4 H8 107.688
O2 C1 O3 123.090 O2 C1 C4 125.065
O3 C1 C4 111.844 C4 N5 H9 109.189
C4 N5 H10 109.189 N5 C4 H7 110.277
N5 C4 H8 110.277 H7 C4 H8 105.333
H9 N5 H10 105.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.552      
2 O -0.473      
3 O -0.493      
4 C -0.200      
5 N -0.612      
6 H 0.338      
7 H 0.175      
8 H 0.175      
9 H 0.269      
10 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.705 1.072 0.000 1.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.668 -2.512 0.000
y -2.512 -29.293 0.000
z 0.000 0.000 -26.762
Traceless
 xyz
x -3.641 -2.512 0.000
y -2.512 -0.078 0.000
z 0.000 0.000 3.719
Polar
3z2-r27.437
x2-y2-2.375
xy-2.512
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> 116.729
(<r2>)1/2 10.804