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: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-1077.437616
Energy at 298.15K-1077.446340
Nuclear repulsion energy316.481611
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 BLYP/6-31G
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 3043 3020 0.00      
2 Ag 2977 2954 0.00      
3 Ag 1504 1492 0.00      
4 Ag 1490 1478 0.00      
5 Ag 1364 1354 0.00      
6 Ag 1266 1256 0.00      
7 Ag 1056 1048 0.00      
8 Ag 977 969 0.00      
9 Ag 653 648 0.00      
10 Ag 314 312 0.00      
11 Ag 202 201 0.00      
12 Au 3116 3093 31.43      
13 Au 3035 3012 26.62      
14 Au 1306 1296 1.87      
15 Au 1095 1086 1.29      
16 Au 894 887 1.29      
17 Au 757 751 6.15      
18 Au 101 100 1.85      
19 Au 52 51 6.70      
20 Bg 3114 3091 0.00      
21 Bg 3012 2990 0.00      
22 Bg 1318 1308 0.00      
23 Bg 1243 1233 0.00      
24 Bg 1036 1028 0.00      
25 Bg 785 779 0.00      
26 Bg 138 137 0.00      
27 Bu 3044 3020 36.43      
28 Bu 2986 2963 24.87      
29 Bu 1520 1509 7.71      
30 Bu 1487 1476 1.12      
31 Bu 1334 1324 56.84      
32 Bu 1232 1222 26.66      
33 Bu 1005 998 34.32      
34 Bu 636 631 82.75      
35 Bu 381 378 33.25      
36 Bu 96 95 6.50      

Unscaled Zero Point Vibrational Energy (zpe) 24781.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 24593.5 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 BLYP/6-31G
ABC
0.49874 0.01698 0.01663

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 1.427 -3.249 0.000
Cl2 -1.427 3.249 0.000
C3 -1.433 1.323 0.000
C4 1.433 -1.323 0.000
C5 0.000 0.782 0.000
C6 0.000 -0.782 0.000
H7 -1.997 1.051 0.902
H8 -1.997 1.051 -0.902
H9 1.997 -1.051 -0.902
H10 1.997 -1.051 0.902
H11 0.536 1.159 -0.889
H12 -0.536 -1.159 -0.889
H13 -0.536 -1.159 0.889
H14 0.536 1.159 0.889

Atom - Atom Distances (Å)
  Cl1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
Cl17.09765.39331.92584.27602.85065.57025.57022.44312.44314.58443.00193.00194.5844
Cl27.09761.92585.39332.85064.27602.44312.44315.57025.57023.00194.58444.58443.0019
C35.39331.92583.90071.53172.54631.09771.09774.26744.26742.16602.78502.78502.1660
C41.92585.39333.90072.54631.53174.26744.26741.09771.09772.78502.16602.16602.7850
C54.27602.85061.53172.54631.56322.20722.20722.85622.85621.10422.20062.20061.1042
C62.85064.27602.54631.53171.56322.85622.85622.20722.20722.20061.10421.10422.2006
H75.57022.44311.09774.26742.20722.85621.80324.85954.51263.10313.19742.64922.5346
H85.57022.44311.09774.26742.20722.85621.80324.51264.85952.53462.64923.19743.1031
H92.44315.57024.26741.09772.85622.20724.85954.51261.80322.64922.53463.10313.1974
H102.44315.57024.26741.09772.85622.20724.51264.85951.80323.19743.10312.53462.6492
H114.58443.00192.16602.78501.10422.20063.10312.53462.64923.19742.55363.11121.7773
H123.00194.58442.78502.16602.20061.10423.19742.64922.53463.10312.55361.77733.1112
H133.00194.58442.78502.16602.20061.10422.64923.19743.10312.53463.11121.77732.5536
H144.58443.00192.16602.78501.10422.20062.53463.10313.19742.64921.77733.11122.5536

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 110.553 Cl1 C4 H9 104.452
Cl1 C4 H10 104.452 Cl2 C3 C5 110.553
Cl2 C3 H7 104.452 Cl2 C3 H8 104.452
C3 C5 C6 110.716 C3 C5 H11 109.446
C3 C5 H14 109.446 C4 C6 C5 110.716
C4 C6 H12 109.446 C4 C6 H13 109.446
C5 C3 H7 113.123 C5 C3 H8 113.123
C5 C6 H12 109.986 C5 C6 H13 109.986
C6 C4 H9 113.123 C6 C4 H10 113.123
C6 C5 H11 109.986 C6 C5 H14 109.986
H7 C3 H8 110.435 H9 C4 H10 110.435
H11 C5 H14 107.189 H12 C6 H13 107.189
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl -0.078      
2 Cl -0.078      
3 C -0.369      
4 C -0.369      
5 C -0.201      
6 C -0.201      
7 H 0.180      
8 H 0.180      
9 H 0.180      
10 H 0.180      
11 H 0.144      
12 H 0.144      
13 H 0.144      
14 H 0.144      


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 -51.279 7.443 0.000
y 7.443 -73.061 0.000
z 0.000 0.000 -50.669
Traceless
 xyz
x 10.586 7.443 0.000
y 7.443 -22.087 0.000
z 0.000 0.000 11.501
Polar
3z2-r223.003
x2-y221.782
xy7.443
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> 550.905
(<r2>)1/2 23.471