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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-283.966064
Energy at 298.15K-283.972962
HF Energy-282.959648
Nuclear repulsion energy179.491526
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 MP2/Def2TZVPP
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' 3773 3590 77.84      
2 A' 3546 3374 4.05      
3 A' 3102 2952 13.11      
4 A' 1820 1732 241.17      
5 A' 1678 1596 17.74      
6 A' 1470 1399 13.82      
7 A' 1418 1349 26.69      
8 A' 1315 1252 17.15      
9 A' 1181 1124 45.15      
10 A' 1139 1084 247.67      
11 A' 945 899 121.88      
12 A' 839 799 81.96      
13 A' 638 607 6.55      
14 A' 468 446 30.72      
15 A' 259 246 9.65      
16 A" 3632 3456 8.82      
17 A" 3151 2998 3.72      
18 A" 1397 1329 0.16      
19 A" 1193 1135 0.88      
20 A" 925 880 1.58      
21 A" 652 621 89.94      
22 A" 513 488 31.70      
23 A" 213 202 45.11      
24 A" 63 60 5.91      

Unscaled Zero Point Vibrational Energy (zpe) 17664.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16807.8 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 MP2/Def2TZVPP
ABC
0.34447 0.13014 0.09754

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.548 0.000
O2 1.184 0.824 0.000
O3 -0.992 1.468 0.000
C4 -0.568 -0.846 0.000
N5 0.405 -1.906 0.000
H6 -0.532 2.316 0.000
H7 -1.216 -0.926 0.873
H8 -1.216 -0.926 -0.873
H9 1.003 -1.839 0.810
H10 1.003 -1.839 -0.810

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21551.35321.50502.48731.84672.10062.10062.71312.7131
O21.21552.26902.42012.83932.27383.09573.09572.78972.7897
O31.35322.26902.35263.65200.96482.55802.55803.94663.9466
C41.50502.42012.35261.43893.16231.09011.09012.02772.0277
N52.48732.83933.65201.43894.32512.08572.08571.00951.0095
H61.84672.27380.96483.16234.32513.42663.42664.50354.5035
H72.10063.09572.55801.09012.08573.42661.74572.40072.9312
H82.10063.09572.55801.09012.08573.42661.74572.93122.4007
H92.71312.78973.94662.02771.00954.50352.40072.93121.6203
H102.71312.78973.94662.02771.00954.50352.93122.40071.6203

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 104.374 C1 C4 N5 115.300
C1 C4 H7 106.996 C1 C4 H8 106.996
O2 C1 O3 124.012 O2 C1 C4 125.307
O3 C1 C4 110.682 C4 N5 H9 110.600
C4 N5 H10 110.600 N5 C4 H7 110.355
N5 C4 H8 110.355 H7 C4 H8 106.393
H9 N5 H10 106.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability