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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-284.303466
Energy at 298.15K-284.296796
HF Energy-284.453663
Nuclear repulsion energy179.098520
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 B3LYP/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' 3743 3612 44.43      
2 A' 3494 3372 0.73      
3 A' 3041 2934 17.65      
4 A' 1841 1777 248.67      
5 A' 1678 1619 17.23      
6 A' 1455 1404 11.38      
7 A' 1403 1354 19.39      
8 A' 1318 1271 10.71      
9 A' 1171 1130 118.95      
10 A' 1135 1095 152.93      
11 A' 940 907 143.28      
12 A' 826 798 70.54      
13 A' 637 614 7.97      
14 A' 463 447 28.83      
15 A' 257 248 9.37      
16 A" 3562 3437 2.12      
17 A" 3076 2968 8.27      
18 A" 1388 1340 0.11      
19 A" 1181 1140 1.07      
20 A" 921 889 3.48      
21 A" 668 645 88.08      
22 A" 512 494 27.82      
23 A" 212 205 41.83      
24 A" 52 50 6.70      

Unscaled Zero Point Vibrational Energy (zpe) 17486.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16874.7 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 B3LYP/6-31G(2df,p)
ABC
0.34509 0.12911 0.09703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.553 0.000
O2 1.172 0.829 0.000
O3 -0.980 1.485 0.000
C4 -0.573 -0.860 0.000
N5 0.409 -1.926 0.000
H6 -0.540 2.348 0.000
H7 -1.231 -0.952 0.873
H8 -1.231 -0.952 -0.873
H9 1.020 -1.817 0.805
H10 1.020 -1.817 -0.805

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20451.35221.52472.51331.87412.13142.13142.70272.7027
O21.20452.25042.42892.85952.28873.11633.11632.76992.7699
O31.35222.25042.37923.68310.96952.60032.60033.94283.9428
C41.52472.42892.37921.45013.20781.09671.09672.02512.0251
N52.51332.85953.68311.45014.37842.09772.09771.01641.0164
H61.87412.28870.96953.20784.37843.48283.48284.51934.5193
H72.13143.11632.60031.09672.09773.48281.74522.41192.9372
H82.13143.11632.60031.09672.09773.48281.74522.93722.4119
H92.70272.76993.94282.02511.01644.51932.41192.93721.6100
H102.70272.76993.94282.02511.01644.51932.93722.41191.6100

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.262 C1 C4 N5 115.367
C1 C4 H7 107.699 C1 C4 H8 107.699
O2 C1 O3 123.781 O2 C1 C4 125.015
O3 C1 C4 111.204 C4 N5 H9 109.860
C4 N5 H10 109.860 N5 C4 H7 110.062
N5 C4 H8 110.062 H7 C4 H8 105.452
H9 N5 H10 105.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.390      
2 O -0.340      
3 O -0.367      
4 C -0.260      
5 N -0.485      
6 H 0.302      
7 H 0.143      
8 H 0.143      
9 H 0.237      
10 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.741 0.907 0.000 1.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 117.598
(<r2>)1/2 10.844