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: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-1075.998455
Energy at 298.15K-1076.007578
HF Energy-1075.155420
Nuclear repulsion energy326.393677
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/cc-pVDZ
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 3120 2972 0.00      
2 Ag 3087 2941 0.00      
3 Ag 1490 1419 0.00      
4 Ag 1486 1415 0.00      
5 Ag 1403 1336 0.00      
6 Ag 1299 1238 0.00      
7 Ag 1116 1063 0.00      
8 Ag 1074 1023 0.00      
9 Ag 806 767 0.00      
10 Ag 335 319 0.00      
11 Ag 229 218 0.00      
12 Au 3194 3043 27.52      
13 Au 3156 3006 12.51      
14 Au 1322 1259 1.66      
15 Au 1136 1082 1.50      
16 Au 904 861 0.40      
17 Au 755 719 3.34      
18 Au 108 103 1.00      
19 Au 63 60 4.30      
20 Bg 3192 3040 0.00      
21 Bg 3140 2990 0.00      
22 Bg 1325 1262 0.00      
23 Bg 1267 1207 0.00      
24 Bg 1085 1033 0.00      
25 Bg 785 748 0.00      
26 Bg 162 154 0.00      
27 Bu 3120 2972 44.43      
28 Bu 3092 2945 17.04      
29 Bu 1501 1430 6.06      
30 Bu 1486 1416 0.25      
31 Bu 1356 1291 56.96      
32 Bu 1226 1167 9.35      
33 Bu 1074 1023 14.43      
34 Bu 778 741 59.60      
35 Bu 429 408 10.02      
36 Bu 101 96 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 25599.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 24383.0 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/cc-pVDZ
ABC
0.52147 0.01812 0.01775

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.398 -3.400 0.000
Cl2 0.398 3.400 0.000
C3 -0.530 1.863 0.000
C4 0.530 -1.863 0.000
C5 0.398 0.655 0.000
C6 -0.398 -0.655 0.000
H7 -1.172 1.873 0.895
H8 -1.172 1.873 -0.895
H9 1.172 -1.873 -0.895
H10 1.172 -1.873 0.895
H11 1.053 0.704 -0.888
H12 -1.053 -0.704 -0.888
H13 -1.053 -0.704 0.888
H14 1.053 0.704 0.888

Atom - Atom Distances (Å)
  Cl1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
Cl16.84655.26451.79554.13252.74495.40425.40422.36572.36574.44322.91272.91274.4432
Cl26.84651.79555.26452.74494.13252.36572.36575.40425.40422.91274.44324.44322.9127
C35.26451.79553.87341.52302.52141.10131.10134.20164.20162.15332.76662.76662.1533
C41.79555.26453.87342.52141.52304.20164.20161.10131.10132.76662.15332.15332.7666
C54.13252.74491.52302.52141.53312.17922.17922.79132.79131.10472.17802.17801.1047
C62.74494.13252.52141.52301.53312.79132.79132.17922.17922.17801.10471.10472.1780
H75.40422.36571.10134.20162.17922.79131.78924.76764.41913.08153.13622.58032.5135
H85.40422.36571.10134.20162.17922.79131.78924.41914.76762.51352.58033.13623.0815
H92.36575.40424.20161.10132.79132.17924.76764.41911.78922.58032.51353.08153.1362
H102.36575.40424.20161.10132.79132.17924.41914.76761.78923.13623.08152.51352.5803
H114.44322.91272.15332.76661.10472.17803.08152.51352.58033.13622.53443.09481.7760
H122.91274.44322.76662.15332.17801.10473.13622.58032.51353.08152.53441.77603.0948
H132.91274.44322.76662.15332.17801.10472.58033.13623.08152.51353.09481.77602.5344
H144.44322.91272.15332.76661.10472.17802.51353.08153.13622.58031.77603.09482.5344

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 111.352 Cl1 C4 H9 107.058
Cl1 C4 H10 107.058 Cl2 C3 C5 111.352
Cl2 C3 H7 107.058 Cl2 C3 H8 107.058
C3 C5 C6 111.181 C3 C5 H11 109.021
C3 C5 H14 109.021 C4 C6 C5 111.181
C4 C6 H12 109.021 C4 C6 H13 109.021
C5 C3 H7 111.264 C5 C3 H8 111.264
C5 C6 H12 110.256 C5 C6 H13 110.256
C6 C4 H9 111.264 C6 C4 H10 111.264
C6 C5 H11 110.256 C6 C5 H14 110.256
H7 C3 H8 108.647 H9 C4 H10 108.647
H11 C5 H14 106.999 H12 C6 H13 106.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability