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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-284.436794
Energy at 298.15K-284.443696
Nuclear repulsion energy179.626038
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 B3PW91/cc-pVTZ
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' 3767 3623 55.61      
2 A' 3519 3384 1.70      
3 A' 3046 2929 17.69      
4 A' 1836 1766 283.73      
5 A' 1673 1608 18.97      
6 A' 1449 1393 16.00      
7 A' 1404 1350 25.69      
8 A' 1311 1260 12.09      
9 A' 1173 1128 86.86      
10 A' 1139 1096 198.38      
11 A' 927 891 124.17      
12 A' 829 797 92.96      
13 A' 640 615 6.48      
14 A' 465 448 29.98      
15 A' 257 248 9.78      
16 A" 3591 3453 4.28      
17 A" 3081 2963 6.19      
18 A" 1384 1331 0.07      
19 A" 1184 1138 1.26      
20 A" 918 883 4.01      
21 A" 662 636 88.51      
22 A" 510 491 30.39      
23 A" 214 206 42.76      
24 A" 62 60 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 17520.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 16847.2 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 B3PW91/cc-pVTZ
ABC
0.34755 0.12968 0.09753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.551 0.000
O2 1.169 0.833 0.000
O3 -0.979 1.478 0.000
C4 -0.566 -0.856 0.000
N5 0.406 -1.921 0.000
H6 -0.543 2.342 0.000
H7 -1.224 -0.945 0.869
H8 -1.224 -0.945 -0.869
H9 1.012 -1.834 0.806
H10 1.012 -1.834 -0.806

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20251.34821.51642.50521.87172.11932.11932.71372.7137
O21.20252.24262.42102.85792.28243.10523.10522.79082.7908
O31.34822.24262.37043.67050.96742.58612.58613.94813.9481
C41.51642.42102.37041.44163.19811.09381.09382.02422.0242
N52.50522.85793.67051.44164.36752.08882.08881.01271.0127
H61.87172.28240.96743.19814.36753.46763.46764.52904.5290
H72.11933.10522.58611.09382.08883.46761.73812.40732.9322
H82.11933.10522.58611.09382.08883.46761.73812.93222.4073
H92.71372.79083.94812.02421.01274.52902.40732.93221.6126
H102.71372.79083.94812.02421.01274.52902.93222.40731.6126

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.699 C1 C4 N5 115.733
C1 C4 H7 107.467 C1 C4 H8 107.467
O2 C1 O3 122.989 O2 C1 C4 125.463
O3 C1 C4 111.548 C4 N5 H9 109.893
C4 N5 H10 109.893 N5 C4 H7 110.192
N5 C4 H8 110.192 H7 C4 H8 105.223
H9 N5 H10 105.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.268      
2 O -0.310      
3 O -0.251      
4 C -0.119      
5 N -0.292      
6 H 0.213      
7 H 0.113      
8 H 0.113      
9 H 0.132      
10 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.835 0.809 0.000 1.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.160 -2.661 0.000
y -2.661 -29.415 0.000
z 0.000 0.000 -27.104
Traceless
 xyz
x -3.900 -2.661 0.000
y -2.661 0.217 0.000
z 0.000 0.000 3.683
Polar
3z2-r27.366
x2-y2-2.744
xy-2.661
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000