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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-281.787967
Energy at 298.15K-281.794866
HF Energy-281.242978
Nuclear repulsion energy176.602395
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 CCD/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' 3536 3438 10.21      
2 A' 3408 3314 0.28      
3 A' 3073 2988 9.37      
4 A' 1822 1771 147.16      
5 A' 1769 1720 17.49      
6 A' 1541 1498 15.89      
7 A' 1423 1384 26.13      
8 A' 1362 1324 0.07      
9 A' 1143 1111 131.11      
10 A' 1109 1078 146.20      
11 A' 884 859 111.59      
12 A' 802 780 159.59      
13 A' 639 622 9.62      
14 A' 459 446 35.04      
15 A' 245 238 10.05      
16 A" 3493 3396 0.13      
17 A" 3112 3026 6.78      
18 A" 1413 1373 0.71      
19 A" 1227 1193 0.76      
20 A" 939 913 2.19      
21 A" 639 621 128.85      
22 A" 516 502 54.63      
23 A" 232 226 57.55      
24 A" 77 75 9.22      

Unscaled Zero Point Vibrational Energy (zpe) 17430.3 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 16947.5 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 CCD/3-21G
ABC
0.33159 0.12717 0.09498

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.546 0.000
O2 1.191 0.837 0.000
O3 -1.014 1.492 0.000
C4 -0.589 -0.864 0.000
N5 0.444 -1.928 0.000
H6 -0.607 2.398 0.000
H7 -1.231 -0.970 0.884
H8 -1.231 -0.970 -0.884
H9 1.040 -1.843 0.829
H10 1.040 -1.843 -0.829

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22571.38701.52792.51411.94882.14362.14362.73472.7347
O21.22572.30032.46132.86432.38103.14813.14812.80922.8092
O31.38702.30032.39443.71860.99302.62512.62514.00434.0043
C41.52792.46132.39441.48303.26201.09771.09772.07362.0736
N52.51412.86433.71861.48304.45232.12262.12261.02521.0252
H61.94882.38100.99303.26204.45233.53753.53754.62484.6248
H72.14363.14812.62511.09772.12263.53751.76712.43412.9760
H82.14363.14812.62511.09772.12263.53751.76712.97602.4341
H92.73472.80924.00432.07361.02524.62482.43412.97601.6588
H102.73472.80924.00432.07361.02524.62482.97602.43411.6588

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.805 C1 C4 N5 113.223
C1 C4 H7 108.342 C1 C4 H8 108.342
O2 C1 O3 123.268 O2 C1 C4 126.369
O3 C1 C4 110.363 C4 N5 H9 110.197
C4 N5 H10 110.197 N5 C4 H7 109.768
N5 C4 H8 109.768 H7 C4 H8 107.206
H9 N5 H10 108.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability