return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCHClCH3 (Propane, 1,2-dichloro-)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-1033.299962
Energy at 298.15K-1033.306753
Nuclear repulsion energy270.021050
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 B3LYP/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 3234 3121 0.55      
2 A 3178 3066 4.11      
3 A 3154 3043 0.74      
4 A 3151 3041 6.02      
5 A 3134 3024 3.78      
6 A 3069 2961 3.58      
7 A 1558 1504 7.35      
8 A 1553 1498 11.44      
9 A 1525 1472 9.96      
10 A 1467 1415 18.78      
11 A 1409 1360 1.60      
12 A 1302 1256 2.59      
13 A 1275 1230 5.91      
14 A 1216 1173 36.78      
15 A 1154 1114 3.91      
16 A 1083 1045 3.67      
17 A 1050 1013 19.59      
18 A 930 898 5.36      
19 A 866 835 2.56      
20 A 667 644 16.89      
21 A 615 594 93.76      
22 A 414 400 1.16      
23 A 334 322 3.64      
24 A 266 257 0.34      
25 A 257 248 0.26      
26 A 197 190 10.80      
27 A 112 108 7.51      

Unscaled Zero Point Vibrational Energy (zpe) 19085.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 18415.1 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 B3LYP/3-21G
ABC
0.22446 0.04547 0.03946

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.517 -0.700 0.346
Cl2 -2.313 -0.188 -0.078
H3 -0.426 -1.723 -0.007
H4 -0.440 -0.631 1.429
C5 0.421 0.254 -0.363
H6 0.317 0.188 -1.445
Cl7 2.169 -0.480 -0.019
C8 0.400 1.682 0.154
H9 -0.594 2.107 -0.022
H10 0.611 1.701 1.228
H11 1.145 2.290 -0.365

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 C5 H6 Cl7 C8 H9 H10 H11
C11.91521.08631.08741.51422.16552.71932.55932.83162.79483.4930
Cl21.91522.43352.44402.78412.98734.49183.30312.86753.71724.2631
H31.08632.43351.80402.18032.50392.87723.50753.83353.78454.3236
H41.08742.44401.80402.17633.08202.98752.77133.10212.56563.7759
C51.51422.78412.18032.17631.08831.92711.51892.14002.15852.1599
H62.16552.98732.50393.08201.08832.43122.18982.55643.08462.5032
Cl72.71934.49182.87722.98751.92712.43122.79933.78552.95652.9733
C82.55933.30313.50752.77131.51892.18982.79931.09541.09371.0923
H92.83162.86753.83353.10212.14002.55643.78551.09541.78231.7819
H102.79483.71723.78452.56562.15853.08462.95651.09371.78231.7798
H113.49304.26314.32363.77592.15992.50322.97331.09231.78191.7798

picture of Propane, 1,2-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.580 C1 C5 Cl7 103.756
C1 C5 C8 115.089 Cl2 C1 H3 104.955
Cl2 C1 H4 105.639 Cl2 C1 C5 107.984
H3 C1 H4 112.178 H3 C1 C5 112.912
H4 C1 C5 112.513 C5 C8 H9 108.801
C5 C8 H10 110.363 C5 C8 H11 110.555
H6 C5 Cl7 103.969 H6 C5 C8 113.227
Cl7 C5 C8 108.063 H9 C8 H10 109.008
H9 C8 H11 109.075 H10 C8 H11 109.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.485     -0.299
2 Cl -0.057     -0.183
3 H 0.279     0.197
4 H 0.271     0.214
5 C -0.372     0.117
6 H 0.278     0.154
7 Cl -0.053     -0.234
8 C -0.539     -0.400
9 H 0.236     0.143
10 H 0.217     0.153
11 H 0.225     0.138


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 0.703 0.136 0.717
CHELPG        
AIM        
ESP -0.019 0.691 0.129 0.703


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.105 1.322 -0.443
y 1.322 -42.926 -0.508
z -0.443 -0.508 -43.889
Traceless
 xyz
x -12.697 1.322 -0.443
y 1.322 7.071 -0.508
z -0.443 -0.508 5.627
Polar
3z2-r211.254
x2-y2-13.179
xy1.322
xz-0.443
yz-0.508


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.021 -1.154 0.545
y -1.154 5.996 -0.190
z 0.545 -0.190 4.898


<r2> (average value of r2) Å2
<r2> 255.144
(<r2>)1/2 15.973