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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-281.788856
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 3339 15.76      
2 A' 3444 3288 0.01      
3 A' 3119 2978 8.70      
4 A' 1774 1693 26.68      
5 A' 1744 1665 108.26      
6 A' 1555 1485 18.56      
7 A' 1412 1348 22.50      
8 A' 1352 1291 5.13      
9 A' 1140 1088 59.93      
10 A' 1085 1036 211.61      
11 A' 873 834 119.16      
12 A' 794 758 164.53      
13 A' 631 603 6.44      
14 A' 458 437 36.40      
15 A' 243 232 10.66      
16 A" 3537 3377 0.17      
17 A" 3165 3022 5.97      
18 A" 1420 1356 0.64      
19 A" 1232 1176 0.47      
20 A" 944 901 1.77      
21 A" 655 625 129.05      
22 A" 521 497 49.17      
23 A" 231 221 56.54      
24 A" 71 68 9.92      

Unscaled Zero Point Vibrational Energy (zpe) 17448.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 16659.8 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 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> 120.748
(<r2>)1/2 10.989