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All results from a given calculation for C6H8 ((Z)-hexa-1,3,5-triene)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-231.043740
Energy at 298.15K-231.050880
HF Energy-230.511454
Nuclear repulsion energy195.267093
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3259 3111 27.94      
2 A1 3193 3048 13.89      
3 A1 3169 3025 8.41      
4 A1 3164 3020 8.87      
5 A1 1681 1604 0.03      
6 A1 1621 1547 0.10      
7 A1 1495 1427 0.08      
8 A1 1404 1340 2.63      
9 A1 1337 1277 0.74      
10 A1 1144 1092 1.32      
11 A1 886 845 0.04      
12 A1 407 389 0.00      
13 A1 176 168 0.02      
14 A2 1027 980 0.00      
15 A2 960 916 0.00      
16 A2 940 897 0.00      
17 A2 720 687 0.00      
18 A2 326 311 0.00      
19 A2 125 120 0.00      
20 B1 1030 983 53.26      
21 B1 941 898 90.79      
22 B1 831 794 8.11      
23 B1 591 564 37.31      
24 B1 90 86 0.15      
25 B2 3259 3110 0.66      
26 B2 3178 3033 0.76      
27 B2 3167 3022 9.14      
28 B2 3141 2998 0.55      
29 B2 1667 1591 3.52      
30 B2 1547 1476 4.80      
31 B2 1448 1382 0.22      
32 B2 1364 1302 0.15      
33 B2 1232 1176 2.07      
34 B2 985 940 3.23      
35 B2 706 674 0.40      
36 B2 366 349 6.27      

Unscaled Zero Point Vibrational Energy (zpe) 26286.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 25090.9 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 MP2/3-21G
ABC
0.48586 0.05185 0.04685

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.680 0.774
C2 0.000 -0.680 0.774
C3 0.000 1.554 -0.408
C4 0.000 -1.554 -0.408
C5 0.000 2.902 -0.327
C6 0.000 -2.902 -0.327
H7 0.000 1.193 1.737
H8 0.000 -1.193 1.737
H9 0.000 1.086 -1.391
H10 0.000 -1.086 -1.391
H11 0.000 3.415 0.633
H12 0.000 -3.415 0.633
H13 0.000 3.531 -1.212
H14 0.000 -3.531 -1.212

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.35951.47062.52762.48043.74751.09132.10602.20302.79392.73854.09683.47464.6553
C21.35952.52761.47063.74752.48042.10601.09132.79392.20304.09682.73854.65533.4746
C31.47062.52763.10851.35054.45732.17553.48581.08862.81722.13185.07672.13365.1480
C42.52761.47063.10854.45731.35053.48582.17552.81721.08865.07672.13185.14802.1336
C52.48043.74751.35054.45735.80462.67984.58632.10504.12781.08806.38941.08546.4936
C63.74752.48044.45731.35055.80464.58632.67984.12782.10506.38941.08806.49361.0854
H71.09132.10602.17553.48582.67984.58632.38643.12993.87042.48074.73833.76315.5689
H82.10601.09133.48582.17554.58632.67982.38643.87043.12994.73832.48075.56893.7631
H92.20302.79391.08862.81722.10504.12783.12993.87042.17203.08524.93472.45124.6201
H102.79392.20302.81721.08864.12782.10503.87043.12992.17204.93473.08524.62012.4512
H112.73854.09682.13185.07671.08806.38942.48074.73833.08524.93476.82921.84867.1861
H124.09682.73855.07672.13186.38941.08804.73832.48074.93473.08526.82927.18611.8486
H133.47464.65532.13365.14801.08546.49363.76315.56892.45124.62011.84867.18617.0613
H144.65533.47465.14802.13366.49361.08545.56893.76314.62012.45127.18611.84867.0613

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 126.488 C1 C2 H8 118.069
C1 C3 C5 123.038 C1 C3 H9 118.039
C2 C1 C3 126.488 C2 C1 H7 118.069
C2 C4 C6 123.038 C2 C4 H10 118.039
C3 C1 H7 115.443 C3 C5 H11 121.539
C3 C5 H13 121.920 C4 C2 H8 115.443
C4 C6 H12 121.539 C4 C6 H14 121.920
C5 C3 H9 118.923 C6 C4 H10 118.923
H11 C5 H13 116.540 H12 C6 H14 116.540
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188     -0.176
2 C -0.188     -0.176
3 C -0.211     -0.015
4 C -0.211     -0.015
5 C -0.350     -0.436
6 C -0.350     -0.436
7 H 0.190     0.142
8 H 0.190     0.142
9 H 0.193     0.124
10 H 0.193     0.124
11 H 0.180     0.188
12 H 0.180     0.188
13 H 0.186     0.173
14 H 0.186     0.173


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 -0.057 0.057
CHELPG        
AIM        
ESP 0.000 0.000 -0.042 0.042


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.625 0.000 0.000
y 0.000 -33.748 0.000
z 0.000 0.000 -34.266
Traceless
 xyz
x -8.618 0.000 0.000
y 0.000 4.698 0.000
z 0.000 0.000 3.920
Polar
3z2-r27.841
x2-y2-8.878
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.324 0.000 0.000
y 0.000 16.872 0.000
z 0.000 0.000 7.701


<r2> (average value of r2) Å2
<r2> 236.070
(<r2>)1/2 15.365