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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-281.717164
Energy at 298.15K-281.724148
Nuclear repulsion energy177.825926
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 CID/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' 3671 3416 26.54      
2 A' 3540 3294 0.30      
3 A' 3160 2940 8.59      
4 A' 1874 1744 189.08      
5 A' 1808 1682 21.20      
6 A' 1574 1465 18.91      
7 A' 1459 1358 31.65      
8 A' 1395 1298 2.00      
9 A' 1175 1093 164.31      
10 A' 1142 1063 124.37      
11 A' 900 837 94.24      
12 A' 812 756 218.37      
13 A' 658 612 7.95      
14 A' 474 441 37.82      
15 A' 251 234 11.49      
16 A" 3627 3375 1.05      
17 A" 3198 2976 5.76      
18 A" 1444 1344 0.34      
19 A" 1258 1170 1.01      
20 A" 963 896 4.63      
21 A" 661 615 141.47      
22 A" 530 493 56.30      
23 A" 236 220 58.86      
24 A" 82 77 9.26      

Unscaled Zero Point Vibrational Energy (zpe) 17946.2 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 16698.9 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 CID/3-21G*
ABC
0.33665 0.12873 0.09624

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.544 0.000
O2 1.182 0.836 0.000
O3 -1.005 1.482 0.000
C4 -0.583 -0.859 0.000
N5 0.441 -1.913 0.000
H6 -0.619 2.386 0.000
H7 -1.223 -0.962 0.877
H8 -1.223 -0.962 -0.877
H9 1.028 -1.858 0.827
H10 1.028 -1.858 -0.827

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21751.37451.51932.49591.94352.12922.12922.74062.7406
O21.21752.28032.44682.84652.37633.12833.12832.82232.8223
O31.37452.28032.37873.68950.98382.60572.60573.99633.9963
C41.51932.44682.37871.46903.24581.09071.09072.06782.0678
N52.49592.84653.68951.46904.42782.10752.10751.01581.0158
H61.94352.37630.98383.24584.42783.51403.51404.62724.6272
H72.12923.12832.60571.09072.10753.51401.75362.42292.9619
H82.12923.12832.60571.09072.10753.51401.75362.96192.4229
H92.74062.82233.99632.06781.01584.62722.42292.96191.6550
H102.74062.82233.99632.06781.01584.62722.96192.42291.6550

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 109.896 C1 C4 N5 113.268
C1 C4 H7 108.208 C1 C4 H8 108.208
O2 C1 O3 123.113 O2 C1 C4 126.418
O3 C1 C4 110.469 C4 N5 H9 111.342
C4 N5 H10 111.342 N5 C4 H7 109.963
N5 C4 H8 109.963 H7 C4 H8 107.017
H9 N5 H10 109.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability