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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-284.347695
Energy at 298.15K-284.354570
Nuclear repulsion energy179.550030
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 B3PW91/6-31G(2df,p)
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' 3776 3630 49.86      
2 A' 3522 3386 1.33      
3 A' 3050 2932 17.36      
4 A' 1856 1784 253.56      
5 A' 1675 1610 18.72      
6 A' 1447 1391 13.06      
7 A' 1410 1356 30.06      
8 A' 1315 1264 9.99      
9 A' 1181 1135 90.34      
10 A' 1148 1104 174.78      
11 A' 942 905 134.80      
12 A' 833 801 81.67      
13 A' 639 614 7.72      
14 A' 465 447 30.52      
15 A' 255 245 9.57      
16 A" 3595 3456 3.70      
17 A" 3091 2972 6.80      
18 A" 1386 1333 0.13      
19 A" 1178 1133 1.14      
20 A" 920 885 4.18      
21 A" 672 646 88.37      
22 A" 512 493 28.53      
23 A" 211 203 43.13      
24 A" 55 53 7.12      

Unscaled Zero Point Vibrational Energy (zpe) 17566.2 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 16888.2 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 B3PW91/6-31G(2df,p)
ABC
0.34653 0.12994 0.09761

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.551 0.000
O2 1.173 0.822 0.000
O3 -0.973 1.484 0.000
C4 -0.574 -0.856 0.000
N5 0.402 -1.921 0.000
H6 -0.524 2.341 0.000
H7 -1.234 -0.946 0.872
H8 -1.234 -0.946 -0.872
H9 1.012 -1.811 0.804
H10 1.012 -1.811 -0.804

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20381.34771.52002.50471.86512.12742.12742.69282.6928
O21.20382.24572.42262.84942.27783.11153.11152.75802.7580
O31.34772.24572.37353.67180.96792.59472.59473.92963.9296
C41.52002.42262.37351.44443.19771.09711.09712.01832.0183
N52.50472.84943.67181.44444.36162.09432.09431.01531.0153
H61.86512.27780.96793.19774.36163.47443.47444.49974.4997
H72.12743.11152.59471.09712.09433.47441.74332.40762.9327
H82.12743.11152.59471.09712.09433.47441.74332.93272.4076
H92.69282.75803.92962.01831.01534.49972.40762.93271.6084
H102.69282.75803.92962.01831.01534.49972.93272.40761.6084

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.152 C1 C4 N5 115.303
C1 C4 H7 107.659 C1 C4 H8 107.659
O2 C1 O3 123.224 O2 C1 C4 125.192
O3 C1 C4 111.584 C4 N5 H9 109.033
C4 N5 H10 109.033 N5 C4 H7 110.238
N5 C4 H8 110.238 H7 C4 H8 105.220
H9 N5 H10 104.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.418      
2 O -0.359      
3 O -0.393      
4 C -0.300      
5 N -0.538      
6 H 0.318      
7 H 0.168      
8 H 0.168      
9 H 0.259      
10 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.746 0.937 0.000 1.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.428 -2.462 0.000
y -2.462 -28.986 0.000
z 0.000 0.000 -26.660
Traceless
 xyz
x -3.605 -2.462 0.000
y -2.462 0.058 0.000
z 0.000 0.000 3.547
Polar
3z2-r27.095
x2-y2-2.442
xy-2.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.603 -0.304 0.000
y -0.304 5.925 0.000
z 0.000 0.000 4.087


<r2> (average value of r2) Å2
<r2> 116.901
(<r2>)1/2 10.812