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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-282.735248
Energy at 298.15K-282.741994
Nuclear repulsion energy178.119033
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 B1B95/3-21G
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' 3511 3359 12.40      
2 A' 3452 3302 0.31      
3 A' 3090 2956 10.08      
4 A' 1807 1729 176.70      
5 A' 1735 1660 20.75      
6 A' 1495 1430 25.17      
7 A' 1399 1338 35.80      
8 A' 1334 1277 2.15      
9 A' 1145 1096 18.94      
10 A' 1102 1055 224.42      
11 A' 848 811 17.81      
12 A' 737 705 296.63      
13 A' 627 600 2.37      
14 A' 454 434 42.75      
15 A' 230 220 14.53      
16 A" 3546 3392 1.25      
17 A" 3132 2996 4.52      
18 A" 1391 1331 0.60      
19 A" 1210 1158 0.75      
20 A" 924 884 4.70      
21 A" 667 638 126.14      
22 A" 512 489 51.31      
23 A" 213 203 51.84      
24 A" 46 44 14.94      

Unscaled Zero Point Vibrational Energy (zpe) 17302.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 16553.0 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 B1B95/3-21G
ABC
0.33587 0.13013 0.09696

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.540 0.000
O2 1.190 0.819 0.000
O3 -0.996 1.483 0.000
C4 -0.588 -0.857 0.000
N5 0.428 -1.901 0.000
H6 -0.583 2.388 0.000
H7 -1.234 -0.956 0.877
H8 -1.234 -0.956 -0.877
H9 1.019 -1.843 0.830
H10 1.019 -1.843 -0.830

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22211.37201.51572.47821.93752.12852.12852.72142.7214
O21.22212.28512.44312.82452.36783.12983.12982.79352.7935
O31.37202.28512.37563.67160.99432.60282.60283.97663.9766
C41.51572.44312.37561.45643.24471.09391.09392.05972.0597
N52.47822.82453.67161.45644.40622.10342.10341.02091.0209
H61.93752.36780.99433.24474.40623.51743.51744.59944.5994
H72.12853.12982.60281.09392.10343.51741.75372.42182.9628
H82.12853.12982.60281.09392.10343.51741.75372.96282.4218
H92.72142.79353.97662.05971.02094.59942.42182.96281.6609
H102.72142.79353.97662.05971.02094.59942.96282.42181.6609

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.882 C1 C4 N5 112.972
C1 C4 H7 108.214 C1 C4 H8 108.214
O2 C1 O3 123.396 O2 C1 C4 125.999
O3 C1 C4 110.605 C4 N5 H9 111.281
C4 N5 H10 111.281 N5 C4 H7 110.324
N5 C4 H8 110.324 H7 C4 H8 106.556
H9 N5 H10 108.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.594      
2 O -0.485      
3 O -0.568      
4 C -0.356      
5 N -0.664      
6 H 0.375      
7 H 0.263      
8 H 0.263      
9 H 0.288      
10 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.470 1.188 0.000 1.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.921 -2.578 0.000
y -2.578 -28.957 0.000
z 0.000 0.000 -26.612
Traceless
 xyz
x -4.137 -2.578 0.000
y -2.578 0.310 0.000
z 0.000 0.000 3.827
Polar
3z2-r27.654
x2-y2-2.964
xy-2.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.869 -0.424 0.000
y -0.424 4.934 0.000
z 0.000 0.000 3.195


<r2> (average value of r2) Å2
<r2> 117.954
(<r2>)1/2 10.861