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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-279.119172
Energy at 298.15K-279.125935
Nuclear repulsion energy176.422918
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 HF/STO-3G
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' 4246 3467 7.34      
2 A' 3903 3187 2.33      
3 A' 3602 2941 0.90      
4 A' 2133 1742 81.31      
5 A' 2023 1651 6.83      
6 A' 1778 1452 2.19      
7 A' 1677 1369 10.01      
8 A' 1588 1297 6.07      
9 A' 1375 1122 157.98      
10 A' 1313 1072 10.79      
11 A' 1141 931 95.06      
12 A' 959 783 24.68      
13 A' 659 538 16.52      
14 A' 465 380 24.44      
15 A' 241 197 4.78      
16 A" 4085 3335 1.51      
17 A" 3714 3032 0.46      
18 A" 1623 1326 0.73      
19 A" 1360 1111 2.55      
20 A" 1027 838 0.72      
21 A" 614 501 57.24      
22 A" 538 439 46.81      
23 A" 254 207 56.35      
24 A" 66 54 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 20190.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16485.5 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 HF/STO-3G
ABC
0.33660 0.12518 0.09421

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.551 0.000
O2 1.186 0.822 0.000
O3 -0.987 1.529 0.000
C4 -0.603 -0.879 0.000
N5 0.419 -1.953 0.000
H6 -0.493 2.387 0.000
H7 -1.239 -0.986 0.880
H8 -1.239 -0.986 -0.880
H9 1.032 -1.792 0.816
H10 1.032 -1.792 -0.816

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21651.38951.55192.53891.90082.16132.16132.68732.6873
O21.21652.28532.46832.87912.29523.14993.14992.74272.7427
O31.38952.28532.43833.75500.99012.67582.67583.97143.9714
C41.55192.46832.43831.48223.26761.09151.09152.04272.0427
N52.53892.87913.75501.48224.43462.11172.11171.03381.0338
H61.90082.29520.99013.26764.43463.56423.56424.52274.5227
H72.16133.14992.67581.09152.11173.56421.76072.41102.9475
H82.16133.14992.67581.09152.11173.56421.76072.94752.4110
H92.68732.74273.97142.04271.03384.52272.41102.94751.6327
H102.68732.74273.97142.04271.03384.52272.94752.41101.6327

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 104.785 C1 C4 N5 113.589
C1 C4 H7 108.439 C1 C4 H8 108.439
O2 C1 O3 122.413 O2 C1 C4 125.717
O3 C1 C4 111.870 C4 N5 H9 107.218
C4 N5 H10 107.218 N5 C4 H7 109.334
N5 C4 H8 109.334 H7 C4 H8 107.527
H9 N5 H10 104.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299      
2 O -0.275      
3 O -0.292      
4 C -0.046      
5 N -0.373      
6 H 0.206      
7 H 0.084      
8 H 0.084      
9 H 0.156      
10 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.010 1.244 0.000 1.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.734 -1.054 0.000
y -1.054 -29.638 0.000
z 0.000 0.000 -24.968
Traceless
 xyz
x -2.431 -1.054 0.000
y -1.054 -2.287 0.000
z 0.000 0.000 4.718
Polar
3z2-r29.437
x2-y2-0.096
xy-1.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.208 -0.173 0.000
y -0.173 2.980 0.000
z 0.000 0.000 1.875


<r2> (average value of r2) Å2
<r2> 119.665
(<r2>)1/2 10.939