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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-281.781975
Energy at 298.15K-281.788844
HF Energy-281.241493
Nuclear repulsion energy176.194418
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 MP2=FULL/3-21G*
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' 3498 3316 15.76      
2 A' 3444 3265 0.01      
3 A' 3119 2957 8.70      
4 A' 1774 1681 26.68      
5 A' 1744 1653 108.26      
6 A' 1555 1474 18.56      
7 A' 1412 1339 22.50      
8 A' 1352 1282 5.13      
9 A' 1140 1081 59.93      
10 A' 1085 1028 211.61      
11 A' 873 828 119.16      
12 A' 794 752 164.53      
13 A' 631 599 6.44      
14 A' 458 434 36.40      
15 A' 243 230 10.66      
16 A" 3537 3353 0.17      
17 A" 3165 3000 5.97      
18 A" 1420 1346 0.64      
19 A" 1232 1168 0.47      
20 A" 944 895 1.77      
21 A" 655 621 129.05      
22 A" 521 494 49.17      
23 A" 231 219 56.54      
24 A" 71 67 9.92      

Unscaled Zero Point Vibrational Energy (zpe) 17448.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 16541.1 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 MP2=FULL/3-21G*
ABC
0.32723 0.12722 0.09464

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.544 0.000
O2 1.201 0.843 0.000
O3 -1.024 1.489 0.000
C4 -0.588 -0.865 0.000
N5 0.444 -1.927 0.000
H6 -0.609 2.395 0.000
H7 -1.228 -0.972 0.881
H8 -1.228 -0.972 -0.881
H9 1.038 -1.845 0.829
H10 1.038 -1.845 -0.829

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.23741.39361.52742.51111.94842.14062.14062.73402.7340
O21.23742.31732.47352.87152.38453.15703.15702.81782.8178
O31.39362.31732.39463.71860.99652.62182.62184.00744.0074
C41.52742.47352.39461.48083.26041.09401.09402.07162.0716
N52.51112.87153.71861.48084.44872.11752.11751.02301.0230
H61.94842.38450.99653.26044.44873.53473.53474.62404.6240
H72.14063.15702.62181.09402.11753.53471.76222.42872.9699
H82.14063.15702.62181.09402.11753.53471.76222.96992.4287
H92.73402.81784.00742.07161.02304.62402.42872.96991.6580
H102.73402.81784.00742.07161.02304.62402.96992.42871.6580

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.064 C1 C4 N5 113.168
C1 C4 H7 108.355 C1 C4 H8 108.355
O2 C1 O3 123.355 O2 C1 C4 126.605
O3 C1 C4 110.040 C4 N5 H9 110.316
C4 N5 H10 110.316 N5 C4 H7 109.740
N5 C4 H8 109.740 H7 C4 H8 107.301
H9 N5 H10 108.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2=FULL/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.591      
2 O -0.456      
3 O -0.577      
4 C -0.302      
5 N -0.651      
6 H 0.369      
7 H 0.238      
8 H 0.238      
9 H 0.275      
10 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.227 1.268 0.000 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.603 -2.258 0.000
y -2.258 -30.302 0.000
z 0.000 0.000 -27.229
Traceless
 xyz
x -3.838 -2.258 0.000
y -2.258 -0.385 0.000
z 0.000 0.000 4.223
Polar
3z2-r28.446
x2-y2-2.301
xy-2.258
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