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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-282.831096
Energy at 298.15K-282.838316
HF Energy-282.831096
Nuclear repulsion energy181.029263
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' 4052 3641 110.13      
2 A' 3740 3360 2.99      
3 A' 3237 2909 19.87      
4 A' 2035 1828 385.93      
5 A' 1851 1663 25.40      
6 A' 1610 1447 9.20      
7 A' 1570 1411 36.42      
8 A' 1447 1300 19.39      
9 A' 1309 1176 298.91      
10 A' 1232 1107 40.01      
11 A' 1044 938 198.00      
12 A' 909 817 80.57      
13 A' 698 627 15.68      
14 A' 504 453 34.13      
15 A' 281 253 10.82      
16 A" 3820 3433 5.03      
17 A" 3276 2943 15.52      
18 A" 1515 1361 0.02      
19 A" 1297 1165 2.11      
20 A" 1008 906 6.63      
21 A" 708 636 137.95      
22 A" 552 496 38.53      
23 A" 261 234 60.26      
24 A" 83 75 5.31      

Unscaled Zero Point Vibrational Energy (zpe) 19020.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17089.9 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
0.35510 0.13113 0.09892

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 0.551 0.000
O2 1.157 0.822 0.000
O3 -0.956 1.476 0.000
C4 -0.573 -0.851 0.000
N5 0.403 -1.908 0.000
H6 -0.545 2.335 0.000
H7 -1.219 -0.943 0.866
H8 -1.219 -0.943 -0.866
H9 1.000 -1.833 0.801
H10 1.000 -1.833 -0.801

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.18771.32981.51532.49241.86462.11472.11472.70642.7064
O21.18772.21162.40652.83192.27673.08403.08402.77702.7770
O31.32982.21162.35813.64670.95252.58292.58293.92573.9257
C41.51532.40652.35811.43913.18601.08461.08462.01972.0197
N52.49242.83193.64671.43914.34752.07712.07711.00151.0015
H61.86462.27670.95253.18604.34753.45703.45704.51594.5159
H72.11473.08402.58291.08462.07713.45701.73282.39152.9146
H82.11473.08402.58291.08462.07713.45701.73282.91462.3915
H92.70642.77703.92572.01971.00154.51592.39152.91461.6020
H102.70642.77703.92572.01971.00154.51592.91462.39151.6020

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.439 C1 C4 N5 115.028
C1 C4 H7 107.697 C1 C4 H8 107.697
O2 C1 O3 122.817 O2 C1 C4 125.390
O3 C1 C4 111.792 C4 N5 H9 110.410
C4 N5 H10 110.410 N5 C4 H7 109.986
N5 C4 H8 109.986 H7 C4 H8 106.031
H9 N5 H10 106.217
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.714      
2 O -0.559      
3 O -0.694      
4 C -0.229      
5 N -0.817      
6 H 0.467      
7 H 0.210      
8 H 0.210      
9 H 0.349      
10 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.851 1.025 0.000 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.650 -2.706 -0.005
y -2.706 -29.966 0.006
z -0.005 0.006 -26.860
Traceless
 xyz
x -4.237 -2.706 -0.005
y -2.706 -0.211 0.006
z -0.005 0.006 4.448
Polar
3z2-r28.897
x2-y2-2.684
xy-2.706
xz-0.005
yz0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.977 -0.240 0.000
y -0.240 4.737 0.000
z 0.000 0.000 3.555


<r2> (average value of r2) Å2
<r2> 116.237
(<r2>)1/2 10.781