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 C4H8Cl2 (1,4-Dichlorobutane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-187.116057
Energy at 298.15K-187.124904
Nuclear repulsion energy194.106474
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3121 3000 0.00      
2 Ag 3058 2939 0.00      
3 Ag 1523 1464 0.00      
4 Ag 1506 1447 0.00      
5 Ag 1402 1348 0.00      
6 Ag 1311 1260 0.00      
7 Ag 1104 1061 0.00      
8 Ag 1036 996 0.00      
9 Ag 698 671 0.00      
10 Ag 324 311 0.00      
11 Ag 211 203 0.00      
12 Au 3204 3079 48.91      
13 Au 3128 3006 34.64      
14 Au 1323 1271 2.95      
15 Au 1123 1079 0.39      
16 Au 915 879 1.06      
17 Au 773 743 12.04      
18 Au 94 90 1.31      
19 Au 51 49 6.94      
20 Bg 3202 3077 0.00      
21 Bg 3105 2984 0.00      
22 Bg 1333 1281 0.00      
23 Bg 1265 1215 0.00      
24 Bg 1069 1027 0.00      
25 Bg 804 773 0.00      
26 Bg 136 130 0.00      
27 Bu 3121 3000 54.23      
28 Bu 3065 2946 30.26      
29 Bu 1535 1476 16.12      
30 Bu 1504 1446 4.45      
31 Bu 1367 1314 61.15      
32 Bu 1271 1221 8.02      
33 Bu 1053 1012 26.23      
34 Bu 677 650 72.51      
35 Bu 397 382 24.73      
36 Bu 99 95 6.28      

Unscaled Zero Point Vibrational Energy (zpe) 25452.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 24464.5 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 B3LYP/LANL2DZ
ABC
0.50442 0.01733 0.01697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 1.419 -3.210 0.000
Cl2 -1.419 3.210 0.000
C3 -1.430 1.318 0.000
C4 1.430 -1.318 0.000
C5 0.000 0.776 0.000
C6 0.000 -0.776 0.000
H7 -1.986 1.038 0.897
H8 -1.986 1.038 -0.897
H9 1.986 -1.038 -0.897
H10 1.986 -1.038 0.897
H11 0.532 1.154 -0.884
H12 -0.532 -1.154 -0.884
H13 -0.532 -1.154 0.884
H14 0.532 1.154 0.884

Atom - Atom Distances (Å)
  Cl1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
Cl17.01865.34881.89214.23052.81735.51725.51722.41752.41754.53942.96862.96864.5394
Cl27.01861.89215.34882.81734.23052.41752.41755.51725.51722.96864.53944.53942.9686
C35.34881.89213.88831.52882.53491.09201.09204.24504.24502.15732.77382.77382.1573
C41.89215.34883.88832.53491.52884.24504.24501.09201.09202.77382.15732.15732.7738
C54.23052.81731.52882.53491.55152.19502.19502.83512.83511.09822.18762.18761.0982
C62.81734.23052.53491.52881.55152.83512.83512.19502.19502.18761.09821.09822.1876
H75.51722.41751.09204.24502.19502.83511.79344.82764.48213.08603.17602.63022.5207
H85.51722.41751.09204.24502.19502.83511.79344.48214.82762.52072.63023.17603.0860
H92.41755.51724.24501.09202.83512.19504.82764.48211.79342.63022.52073.08603.1760
H102.41755.51724.24501.09202.83512.19504.48214.82761.79343.17603.08602.52072.6302
H114.53942.96862.15732.77381.09822.18763.08602.52072.63023.17602.54053.09461.7670
H122.96864.53942.77382.15732.18761.09823.17602.63022.52073.08602.54051.76703.0946
H132.96864.53942.77382.15732.18761.09822.63023.17603.08602.52073.09461.76702.5405
H144.53942.96862.15732.77381.09822.18762.52073.08603.17602.63021.76703.09462.5405

picture of 1,4-Dichlorobutane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 C4 C6 110.434 Cl1 C4 H9 105.027
Cl1 C4 H10 105.027 Cl2 C3 C5 110.434
Cl2 C3 H7 105.027 Cl2 C3 H8 105.027
C3 C5 C6 110.760 C3 C5 H11 109.314
C3 C5 H14 109.314 C4 C6 C5 110.760
C4 C6 H12 109.314 C4 C6 H13 109.314
C5 C3 H7 112.700 C5 C3 H8 112.700
C5 C6 H12 110.126 C5 C6 H13 110.126
C6 C4 H9 112.700 C6 C4 H10 112.700
C6 C5 H11 110.126 C6 C5 H14 110.126
H7 C3 H8 110.400 H9 C4 H10 110.400
H11 C5 H14 107.123 H12 C6 H13 107.123
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.099      
2 Cl -0.099      
3 C -0.534      
4 C -0.534      
5 C -0.273      
6 C -0.273      
7 H 0.249      
8 H 0.249      
9 H 0.249      
10 H 0.249      
11 H 0.205      
12 H 0.205      
13 H 0.205      
14 H 0.205      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.499 7.671 0.000
y 7.671 -70.662 0.000
z 0.000 0.000 -48.422
Traceless
 xyz
x 10.043 7.671 0.000
y 7.671 -21.702 0.000
z 0.000 0.000 11.659
Polar
3z2-r223.317
x2-y221.164
xy7.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.897 -1.521 0.000
y -1.521 13.063 0.000
z 0.000 0.000 5.756


<r2> (average value of r2) Å2
<r2> 292.971
(<r2>)1/2 17.116