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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-282.698013
Energy at 298.15K-282.705132
Nuclear repulsion energy179.416893
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/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' 3992 3604 93.54      
2 A' 3803 3434 7.09      
3 A' 3230 2916 13.75      
4 A' 1922 1736 328.19      
5 A' 1861 1681 37.65      
6 A' 1618 1461 24.53      
7 A' 1548 1398 26.61      
8 A' 1437 1297 35.62      
9 A' 1261 1138 81.07      
10 A' 1220 1102 251.44      
11 A' 933 843 36.82      
12 A' 745 673 379.32      
13 A' 680 614 16.83      
14 A' 501 452 48.74      
15 A' 275 249 19.65      
16 A" 3918 3537 15.81      
17 A" 3274 2956 8.64      
18 A" 1496 1351 0.39      
19 A" 1304 1178 0.44      
20 A" 1000 903 13.56      
21 A" 688 621 200.41      
22 A" 556 502 55.24      
23 A" 247 223 54.82      
24 A" 87 78 5.07      

Unscaled Zero Point Vibrational Energy (zpe) 18797.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 16972.1 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/6-31G
ABC
0.34696 0.12913 0.09724

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
O2 1.171 0.853 0.000
O3 -0.985 1.474 0.000
C4 -0.557 -0.854 0.000
N5 0.428 -1.896 0.000
H6 -0.673 2.376 0.000
H7 -1.203 -0.949 0.864
H8 -1.203 -0.949 -0.864
H9 0.972 -1.984 0.828
H10 0.972 -1.984 -0.828

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21041.35301.50742.48011.94902.10482.10482.83482.8348
O21.21042.24412.42902.84782.39193.10303.10302.96202.9620
O31.35302.24412.36673.65430.95452.58122.58124.05904.0590
C41.50742.42902.36671.43413.23171.08281.08282.07422.0742
N52.48012.84783.65431.43414.41162.07442.07440.99470.9947
H61.94902.39190.95453.23174.41163.47563.47564.73314.7331
H72.10483.10302.58121.08282.07443.47561.72832.40932.9437
H82.10483.10302.58121.08282.07443.47561.72832.94372.4093
H92.83482.96204.05902.07420.99474.73312.40932.94371.6555
H102.83482.96204.05902.07420.99474.73312.94372.40931.6555

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 114.162 C1 C4 N5 114.923
C1 C4 H7 107.572 C1 C4 H8 107.572
O2 C1 O3 122.102 O2 C1 C4 126.346
O3 C1 C4 111.552 C4 N5 H9 116.123
C4 N5 H10 116.123 N5 C4 H7 110.228
N5 C4 H8 110.228 H7 C4 H8 105.884
H9 N5 H10 112.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.721      
2 O -0.553      
3 O -0.730      
4 C -0.178      
5 N -0.821      
6 H 0.441      
7 H 0.221      
8 H 0.221      
9 H 0.339      
10 H 0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.950 0.500 0.000 1.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.408 -3.585 0.000
y -3.585 -28.602 0.000
z 0.000 0.000 -26.926
Traceless
 xyz
x -6.644 -3.585 0.000
y -3.585 2.066 0.000
z 0.000 0.000 4.579
Polar
3z2-r29.157
x2-y2-5.807
xy-3.585
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