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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-284.346654
Energy at 298.15K-284.353553
Nuclear repulsion energy178.976775
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 B3PW91/6-31+G**
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' 3783 3632 60.61      
2 A' 3545 3404 2.27      
3 A' 3065 2942 17.03      
4 A' 1839 1765 315.93      
5 A' 1683 1616 27.59      
6 A' 1454 1396 18.45      
7 A' 1408 1352 28.18      
8 A' 1306 1254 23.09      
9 A' 1178 1131 75.00      
10 A' 1147 1101 210.59      
11 A' 909 873 111.30      
12 A' 825 792 118.85      
13 A' 637 611 5.15      
14 A' 465 446 34.20      
15 A' 255 245 10.87      
16 A" 3631 3486 8.15      
17 A" 3108 2984 5.43      
18 A" 1381 1326 0.10      
19 A" 1180 1133 0.77      
20 A" 917 880 3.24      
21 A" 660 633 104.44      
22 A" 510 489 36.50      
23 A" 236 227 54.40      
24 A" 63 61 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 17591.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 16889.3 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 B3PW91/6-31+G**
ABC
0.34464 0.12878 0.09684

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
O2 1.177 0.838 0.000
O3 -0.979 1.483 0.000
C4 -0.568 -0.858 0.000
N5 0.402 -1.926 0.000
H6 -0.548 2.353 0.000
H7 -1.227 -0.948 0.872
H8 -1.227 -0.948 -0.872
H9 1.006 -1.860 0.813
H10 1.006 -1.860 -0.813

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21091.35061.52092.51131.88162.12592.12592.73822.7382
O21.21092.25042.43322.87072.29563.11913.11912.82352.8235
O31.35062.25042.37713.67840.97062.59532.59533.97283.9728
C41.52092.43322.37711.44263.21101.09671.09672.03552.0355
N52.51132.87073.67841.44264.38312.09002.09001.01491.0149
H61.88162.29560.97063.21104.38313.48153.48154.56404.5640
H72.12593.11912.59531.09672.09003.48151.74452.41252.9421
H82.12593.11912.59531.09672.09003.48151.74452.94212.4125
H92.73822.82353.97282.03551.01494.56402.41252.94211.6255
H102.73822.82353.97282.03551.01494.56402.94212.41251.6255

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.174 C1 C4 N5 115.839
C1 C4 H7 107.506 C1 C4 H8 107.506
O2 C1 O3 122.838 O2 C1 C4 125.544
O3 C1 C4 111.618 C4 N5 H9 110.640
C4 N5 H10 110.640 N5 C4 H7 110.034
N5 C4 H8 110.034 H7 C4 H8 105.369
H9 N5 H10 106.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.346      
2 O -0.452      
3 O -0.428      
4 C -0.226      
5 N -0.622      
6 H 0.369      
7 H 0.195      
8 H 0.195      
9 H 0.312      
10 H 0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.827 0.920 0.000 1.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.928 -2.929 0.000
y -2.929 -30.424 0.000
z 0.000 0.000 -27.405
Traceless
 xyz
x -4.014 -2.929 0.000
y -2.929 -0.257 0.000
z 0.000 0.000 4.271
Polar
3z2-r28.543
x2-y2-2.504
xy-2.929
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