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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-284.380850
Energy at 298.15K-284.387775
Nuclear repulsion energy179.404878
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 mPW1PW91/6-31+G**
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' 3817 3633 67.44      
2 A' 3571 3399 2.91      
3 A' 3083 2935 16.46      
4 A' 1858 1768 323.36      
5 A' 1693 1611 28.47      
6 A' 1462 1391 18.89      
7 A' 1422 1354 33.25      
8 A' 1316 1252 23.91      
9 A' 1190 1132 87.43      
10 A' 1160 1104 195.93      
11 A' 918 873 106.97      
12 A' 833 793 126.31      
13 A' 642 611 5.25      
14 A' 469 447 34.79      
15 A' 257 245 11.07      
16 A" 3657 3481 9.48      
17 A" 3128 2977 5.01      
18 A" 1389 1322 0.08      
19 A" 1187 1130 0.83      
20 A" 923 878 3.45      
21 A" 663 631 106.22      
22 A" 513 488 36.79      
23 A" 235 224 54.79      
24 A" 64 61 5.28      

Unscaled Zero Point Vibrational Energy (zpe) 17724.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 16870.1 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 mPW1PW91/6-31+G**
ABC
0.34623 0.12948 0.09735

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
O2 1.175 0.833 0.000
O3 -0.974 1.481 0.000
C4 -0.569 -0.855 0.000
N5 0.399 -1.921 0.000
H6 -0.544 2.349 0.000
H7 -1.226 -0.944 0.871
H8 -1.226 -0.944 -0.871
H9 1.002 -1.856 0.812
H10 1.002 -1.856 -0.812

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20841.34651.51742.50441.87752.12172.12172.73162.7316
O21.20842.24482.42722.86092.29163.11233.11232.81462.8146
O31.34652.24482.37143.66880.96822.58992.58993.96293.9629
C41.51742.42722.37141.43963.20391.09521.09522.03202.0320
N52.50442.86093.66881.43964.37232.08682.08681.01301.0130
H61.87752.29160.96823.20394.37233.47433.47434.55324.5532
H72.12173.11232.58991.09522.08683.47431.74222.40862.9376
H82.12173.11232.58991.09522.08683.47431.74222.93762.4086
H92.73162.81463.96292.03201.01304.55322.40862.93761.6232
H102.73162.81463.96292.03201.01304.55322.93762.40861.6232

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.279 C1 C4 N5 115.730
C1 C4 H7 107.505 C1 C4 H8 107.505
O2 C1 O3 122.867 O2 C1 C4 125.478
O3 C1 C4 111.655 C4 N5 H9 110.684
C4 N5 H10 110.684 N5 C4 H7 110.085
N5 C4 H8 110.085 H7 C4 H8 105.388
H9 N5 H10 106.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 O -0.452      
3 O -0.433      
4 C -0.239      
5 N -0.631      
6 H 0.373      
7 H 0.201      
8 H 0.201      
9 H 0.316      
10 H 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.841 0.926 0.000 1.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.950 -2.918 0.000
y -2.918 -30.434 0.000
z 0.000 0.000 -27.403
Traceless
 xyz
x -4.032 -2.918 0.000
y -2.918 -0.258 0.000
z 0.000 0.000 4.289
Polar
3z2-r28.579
x2-y2-2.516
xy-2.918
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> 118.080
(<r2>)1/2 10.866