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 C6H8 ((Z)-hexa-1,3,5-triene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-233.489570
Energy at 298.15K-233.496798
HF Energy-233.489570
Nuclear repulsion energy197.068620
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 B3LYPultrafine/aug-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 A1 3222 3117 21.90      
2 A1 3161 3058 16.81      
3 A1 3146 3044 10.18      
4 A1 3134 3032 1.40      
5 A1 1684 1629 0.05      
6 A1 1621 1568 0.57      
7 A1 1440 1394 0.65      
8 A1 1348 1304 4.18      
9 A1 1286 1244 0.40      
10 A1 1105 1069 0.18      
11 A1 896 867 0.24      
12 A1 396 384 0.03      
13 A1 167 162 0.14      
14 A2 1042 1008 0.00      
15 A2 987 955 0.00      
16 A2 940 910 0.00      
17 A2 734 710 0.00      
18 A2 337 326 0.00      
19 A2 157 152 0.00      
20 B1 1030 997 31.79      
21 B1 945 914 93.65      
22 B1 852 824 1.42      
23 B1 608 588 28.35      
24 B1 106 103 0.42      
25 B2 3221 3117 0.01      
26 B2 3147 3045 0.04      
27 B2 3135 3033 10.87      
28 B2 3125 3024 0.00      
29 B2 1675 1621 23.13      
30 B2 1493 1444 7.61      
31 B2 1395 1350 0.05      
32 B2 1314 1271 0.31      
33 B2 1217 1177 3.29      
34 B2 969 937 4.30      
35 B2 691 668 0.04      
36 B2 354 343 12.17      

Unscaled Zero Point Vibrational Energy (zpe) 26039.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 25193.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.50278 0.05257 0.04759

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 0.758
C2 0.000 -0.673 0.758
C3 0.000 1.548 -0.402
C4 0.000 -1.548 -0.402
C5 0.000 2.881 -0.319
C6 0.000 -2.881 -0.319
H7 0.000 1.182 1.717
H8 0.000 -1.182 1.717
H9 0.000 1.085 -1.381
H10 0.000 -1.085 -1.381
H11 0.000 3.391 0.637
H12 0.000 -3.391 0.637
H13 0.000 3.505 -1.202
H14 0.000 -3.505 -1.202

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34581.45332.50582.45693.71371.08492.08752.17882.76892.72054.06543.44444.6150
C21.34582.50581.45333.71372.45692.08751.08492.76892.17884.06542.72054.61503.4444
C31.45332.50583.09621.33564.43002.15003.45541.08342.80912.11545.04702.11425.1162
C42.50581.45333.09624.43001.33563.45542.15002.80911.08345.04702.11545.11622.1142
C52.45693.71371.33564.43005.76232.65174.54412.08704.10571.08336.34431.08126.4471
C63.71372.45694.43001.33565.76234.54412.65174.10572.08706.34431.08336.44711.0812
H71.08492.08752.15003.45542.65174.54412.36323.09933.83832.45884.69803.73045.5211
H82.08751.08493.45542.15004.54412.65172.36323.83833.09934.69802.45885.52113.7304
H92.17882.76891.08342.80912.08704.10573.09933.83832.16953.06454.90952.42714.5935
H102.76892.17882.80911.08344.10572.08703.83833.09932.16954.90953.06454.59352.4271
H112.72054.06542.11545.04701.08336.34432.45884.69803.06454.90956.78151.84247.1369
H124.06542.72055.04702.11546.34431.08334.69802.45884.90953.06456.78157.13691.8424
H133.44444.61502.11425.11621.08126.44713.73045.52112.42714.59351.84247.13697.0104
H144.61503.44445.11622.11426.44711.08125.52113.73044.59352.42717.13691.84247.0104

picture of (Z)-hexa-1,3,5-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.028 C1 C2 H8 117.961
C1 C3 C5 123.460 C1 C3 H9 117.648
C2 C1 C3 127.028 C2 C1 H7 117.961
C2 C4 C6 123.460 C2 C4 H10 117.648
C3 C1 H7 115.011 C3 C5 H11 121.629
C3 C5 H13 121.686 C4 C2 H8 115.011
C4 C6 H12 121.629 C4 C6 H14 121.686
C5 C3 H9 118.892 C6 C4 H10 118.892
H11 C5 H13 116.685 H12 C6 H14 116.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 C 0.211      
4 C 0.211      
5 C -1.128      
6 C -1.128      
7 H 0.173      
8 H 0.173      
9 H 0.236      
10 H 0.236      
11 H 0.210      
12 H 0.210      
13 H 0.262      
14 H 0.262      


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 -0.031 0.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.345 0.000 0.000
y 0.000 -34.635 0.000
z 0.000 0.000 -34.245
Traceless
 xyz
x -7.905 0.000 0.000
y 0.000 3.660 0.000
z 0.000 0.000 4.244
Polar
3z2-r28.489
x2-y2-7.710
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.594 0.000 0.000
y 0.000 23.897 0.000
z 0.000 0.000 9.971


<r2> (average value of r2) Å2
<r2> 233.037
(<r2>)1/2 15.266