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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-284.347641
Energy at 298.15K-284.354486
Nuclear repulsion energy180.111891
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 B1B95/6-31G(2df,p)
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' 3791 3630 51.90      
2 A' 3532 3383 1.44      
3 A' 3062 2933 16.70      
4 A' 1868 1789 255.81      
5 A' 1673 1602 18.49      
6 A' 1447 1386 12.45      
7 A' 1415 1356 36.88      
8 A' 1313 1257 11.76      
9 A' 1183 1133 97.94      
10 A' 1155 1106 163.20      
11 A' 944 904 127.66      
12 A' 838 802 84.62      
13 A' 639 612 8.48      
14 A' 463 444 32.74      
15 A' 253 242 9.92      
16 A" 3605 3453 3.68      
17 A" 3104 2973 6.49      
18 A" 1383 1325 0.15      
19 A" 1174 1124 1.17      
20 A" 918 879 4.07      
21 A" 673 644 89.12      
22 A" 510 489 27.54      
23 A" 200 191 41.53      
24 A" 50 48 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 17596.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 16851.9 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 B1B95/6-31G(2df,p)
ABC
0.34858 0.13111 0.09842

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
O2 1.174 0.803 0.000
O3 -0.960 1.489 0.000
C4 -0.583 -0.851 0.000
N5 0.394 -1.912 0.000
H6 -0.501 2.339 0.000
H7 -1.241 -0.939 0.870
H8 -1.241 -0.939 -0.870
H9 1.003 -1.795 0.802
H10 1.003 -1.795 -0.802

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20161.34401.51532.49061.86062.12282.12282.67112.6711
O21.20162.24102.41322.82502.27303.10213.10212.72432.7243
O31.34402.24102.37013.65980.96632.59412.59413.90833.9083
C41.51532.41322.37011.44153.19161.09471.09472.01182.0118
N52.49062.82503.65981.44154.34432.09182.09181.01391.0139
H61.86062.27300.96633.19164.34433.47143.47144.47174.4717
H72.12283.10212.59411.09472.09183.47141.74102.40222.9263
H82.12283.10212.59411.09472.09183.47141.74102.92632.4022
H92.67112.72433.90832.01181.01394.47172.40222.92631.6039
H102.67112.72433.90832.01181.01394.47172.92632.40221.6039

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.132 C1 C4 N5 114.753
C1 C4 H7 107.755 C1 C4 H8 107.755
O2 C1 O3 123.269 O2 C1 C4 124.900
O3 C1 C4 111.831 C4 N5 H9 108.782
C4 N5 H10 108.782 N5 C4 H7 110.381
N5 C4 H8 110.381 H7 C4 H8 105.346
H9 N5 H10 104.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.412      
2 O -0.354      
3 O -0.390      
4 C -0.266      
5 N -0.524      
6 H 0.313      
7 H 0.155      
8 H 0.155      
9 H 0.250      
10 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.743 0.973 0.000 1.224
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.413 -2.297 0.000
y -2.297 -28.971 0.000
z 0.000 0.000 -26.667
Traceless
 xyz
x -3.594 -2.297 0.000
y -2.297 0.069 0.000
z 0.000 0.000 3.525
Polar
3z2-r27.050
x2-y2-2.442
xy-2.297
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.579 -0.295 0.000
y -0.295 5.884 0.000
z 0.000 0.000 4.072


<r2> (average value of r2) Å2
<r2> 116.080
(<r2>)1/2 10.774