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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-284.317328
Energy at 298.15K-284.324260
Nuclear repulsion energy179.180161
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*
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' 3715 3554 44.72      
2 A' 3503 3351 0.67      
3 A' 3069 2936 16.70      
4 A' 1865 1784 265.77      
5 A' 1715 1640 22.13      
6 A' 1479 1415 14.17      
7 A' 1427 1366 28.14      
8 A' 1330 1273 10.75      
9 A' 1193 1141 140.02      
10 A' 1160 1110 136.00      
11 A' 960 918 171.40      
12 A' 840 804 77.10      
13 A' 640 612 8.69      
14 A' 466 445 34.28      
15 A' 258 247 9.95      
16 A" 3585 3430 1.74      
17 A" 3110 2976 8.49      
18 A" 1402 1342 0.32      
19 A" 1193 1142 1.04      
20 A" 929 889 4.23      
21 A" 683 653 108.09      
22 A" 513 491 33.70      
23 A" 241 231 54.55      
24 A" 63 60 5.62      

Unscaled Zero Point Vibrational Energy (zpe) 17668.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16903.8 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 B3PW91/6-31G*
ABC
0.34491 0.12959 0.09730

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.550 0.000
O2 1.180 0.818 0.000
O3 -0.969 1.491 0.000
C4 -0.580 -0.856 0.000
N5 0.395 -1.923 0.000
H6 -0.512 2.352 0.000
H7 -1.238 -0.949 0.873
H8 -1.238 -0.949 -0.873
H9 1.005 -1.818 0.807
H10 1.005 -1.818 -0.807

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20981.35031.52102.50471.87242.13142.13142.69642.6964
O21.20982.25162.42832.85102.28333.11933.11932.76202.7620
O31.35032.25162.37913.67650.97422.60572.60573.93673.9367
C41.52102.42832.37911.44523.20821.09741.09742.02212.0221
N52.50472.85103.67651.44524.36962.09222.09221.01761.0176
H61.87242.28330.97423.20824.36963.49053.49054.50954.5095
H72.13143.11932.60571.09742.09223.49051.74612.40652.9344
H82.13143.11932.60571.09742.09223.49051.74612.93442.4065
H92.69642.76203.93672.02211.01764.50952.40652.93441.6149
H102.69642.76203.93672.02211.01764.50952.93442.40651.6149

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.184 C1 C4 N5 115.197
C1 C4 H7 107.883 C1 C4 H8 107.883
O2 C1 O3 123.065 O2 C1 C4 125.168
O3 C1 C4 111.767 C4 N5 H9 109.152
C4 N5 H10 109.152 N5 C4 H7 109.990
N5 C4 H8 109.990 H7 C4 H8 105.416
H9 N5 H10 105.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.549      
2 O -0.466      
3 O -0.570      
4 C -0.291      
5 N -0.716      
6 H 0.424      
7 H 0.210      
8 H 0.210      
9 H 0.326      
10 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.646 1.112 0.000 1.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.712 -2.532 0.000
y -2.532 -29.474 0.000
z 0.000 0.000 -26.781
Traceless
 xyz
x -3.585 -2.532 0.000
y -2.532 -0.227 0.000
z 0.000 0.000 3.812
Polar
3z2-r27.624
x2-y2-2.238
xy-2.532
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> 117.419
(<r2>)1/2 10.836