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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-54.846271
Energy at 298.15K-54.853335
Nuclear repulsion energy99.791825
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/CEP-121G
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' 4000 3650 77.67      
2 A' 3751 3423 2.30      
3 A' 3213 2932 19.80      
4 A' 1866 1703 391.60      
5 A' 1857 1695 5.52      
6 A' 1609 1468 26.22      
7 A' 1534 1400 18.45      
8 A' 1404 1281 35.55      
9 A' 1248 1139 51.61      
10 A' 1200 1095 294.66      
11 A' 924 843 64.34      
12 A' 785 716 328.52      
13 A' 663 605 1.34      
14 A' 481 439 49.14      
15 A' 264 241 16.17      
16 A" 3872 3534 5.97      
17 A" 3268 2982 17.02      
18 A" 1483 1353 0.11      
19 A" 1296 1182 0.66      
20 A" 990 903 8.59      
21 A" 671 612 194.29      
22 A" 546 499 52.73      
23 A" 235 214 58.69      
24 A" 72 66 5.07      

Unscaled Zero Point Vibrational Energy (zpe) 18615.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 16986.8 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 HF/CEP-121G
ABC
0.34091 0.12653 0.09529

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.558 0.000
O2 1.180 0.877 0.000
O3 -0.998 1.492 0.000
C4 -0.557 -0.862 0.000
N5 0.444 -1.911 0.000
H6 -0.684 2.395 0.000
H7 -1.201 -0.958 0.867
H8 -1.201 -0.958 -0.867
H9 1.003 -1.962 0.826
H10 1.003 -1.962 -0.826

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22181.36701.52522.50861.95992.11942.11942.83502.8350
O21.22182.26322.45722.88272.40373.12783.12782.96142.9614
O31.36702.26322.39453.69590.95622.60672.60674.07604.0760
C41.52522.45722.39451.45033.25901.08371.08372.07982.0798
N52.50862.88273.69591.45034.45102.08912.08910.99840.9984
H61.95992.40370.95623.25904.45103.50163.50164.74414.7441
H72.11943.12782.60671.08372.08913.50161.73312.42152.9541
H82.11943.12782.60671.08372.08913.50161.73312.95412.4215
H92.83502.96144.07602.07980.99844.74412.42152.95411.6521
H102.83502.96144.07602.07980.99844.74412.95412.42151.6521

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 113.881 C1 C4 N5 114.905
C1 C4 H7 107.451 C1 C4 H8 107.451
O2 C1 O3 121.808 O2 C1 C4 126.537
O3 C1 C4 111.656 C4 N5 H9 115.031
C4 N5 H10 115.031 N5 C4 H7 110.219
N5 C4 H8 110.219 H7 C4 H8 106.187
H9 N5 H10 111.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 O -0.300      
3 O -0.516      
4 C -0.266      
5 N -0.649      
6 H 0.421      
7 H 0.197      
8 H 0.197      
9 H 0.296      
10 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.034 0.539 0.000 1.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.854 -3.675 0.000
y -3.675 -29.472 0.000
z 0.000 0.000 -27.138
Traceless
 xyz
x -6.549 -3.675 0.000
y -3.675 1.524 0.000
z 0.000 0.000 5.025
Polar
3z2-r210.050
x2-y2-5.382
xy-3.675
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