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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HF/CEP-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/CEP-31G
 hartrees
Energy at 0K-54.836245
Energy at 298.15K-54.843249
Nuclear repulsion energy99.527433
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-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' 4042 3644 91.62      
2 A' 3811 3435 4.07      
3 A' 3278 2955 27.39      
4 A' 1869 1685 358.37      
5 A' 1845 1663 28.79      
6 A' 1608 1450 25.20      
7 A' 1534 1383 22.39      
8 A' 1406 1268 35.29      
9 A' 1251 1128 49.61      
10 A' 1208 1088 299.11      
11 A' 923 832 48.54      
12 A' 742 668 386.00      
13 A' 662 597 5.01      
14 A' 483 435 53.36      
15 A' 263 237 19.03      
16 A" 3938 3550 10.36      
17 A" 3332 3004 23.23      
18 A" 1475 1330 0.05      
19 A" 1287 1160 0.97      
20 A" 986 889 10.95      
21 A" 669 603 205.92      
22 A" 546 492 56.28      
23 A" 226 204 60.25      
24 A" 79 71 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 18731.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 16884.5 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/CEP-31G
ABC
0.33938 0.12579 0.09479

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.562 0.000
O2 1.180 0.887 0.000
O3 -1.003 1.492 0.000
C4 -0.556 -0.865 0.000
N5 0.450 -1.912 0.000
H6 -0.695 2.401 0.000
H7 -1.199 -0.963 0.870
H8 -1.199 -0.963 -0.870
H9 1.001 -1.989 0.832
H10 1.001 -1.989 -0.832

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22401.36781.53152.51441.96582.12632.12632.86422.8642
O21.22402.26592.46592.89182.41033.13673.13672.99922.9992
O31.36782.26592.39903.70090.96022.61192.61194.10204.1020
C41.53152.46592.39901.45153.26911.08641.08642.09242.0924
N52.51442.89183.70091.45154.46212.09202.09201.00081.0008
H61.96582.41030.96023.26914.46213.51133.51134.77944.7794
H72.12633.13672.61191.08642.09203.51131.73962.42762.9646
H82.12633.13672.61191.08642.09203.51131.73962.96462.4276
H92.86422.99924.10202.09241.00084.77942.42762.96461.6645
H102.86422.99924.10202.09241.00084.77942.96462.42761.6645

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 114.079 C1 C4 N5 114.873
C1 C4 H7 107.400 C1 C4 H8 107.400
O2 C1 O3 121.813 O2 C1 C4 126.632
O3 C1 C4 111.554 C4 N5 H9 115.913
C4 N5 H10 115.913 N5 C4 H7 110.202
N5 C4 H8 110.202 H7 C4 H8 106.371
H9 N5 H10 112.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.041      
2 O -0.238      
3 O -0.473      
4 C -0.036      
5 N -0.610      
6 H 0.432      
7 H 0.152      
8 H 0.152      
9 H 0.290      
10 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.046 0.546 0.000 1.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.035 -3.941 0.000
y -3.941 -29.469 0.000
z 0.000 0.000 -27.082
Traceless
 xyz
x -6.760 -3.941 0.000
y -3.941 1.589 0.000
z 0.000 0.000 5.170
Polar
3z2-r210.340
x2-y2-5.566
xy-3.941
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