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All results from a given calculation for C6H10 (1-Hexyne)

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 CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-232.228358
Energy at 298.15K-232.237729
HF Energy-231.679326
Nuclear repulsion energy208.542013
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 A' 3484 3325 43.64      
2 A' 3155 3012 29.27      
3 A' 3091 2950 36.85      
4 A' 3081 2941 16.90      
5 A' 3075 2935 8.92      
6 A' 3073 2933 6.18      
7 A' 2132 2035 0.07      
8 A' 1607 1534 5.17      
9 A' 1595 1522 2.55      
10 A' 1585 1513 0.27      
11 A' 1573 1502 1.29      
12 A' 1493 1426 3.80      
13 A' 1431 1366 0.52      
14 A' 1409 1345 3.43      
15 A' 1340 1279 0.86      
16 A' 1157 1104 6.78      
17 A' 1050 1002 0.09      
18 A' 1002 956 0.76      
19 A' 941 898 0.46      
20 A' 895 855 4.23      
21 A' 617 589 54.47      
22 A' 497 474 1.88      
23 A' 388 371 0.17      
24 A' 259 247 0.77      
25 A' 114 109 0.13      
26 A" 3159 3015 57.76      
27 A" 3143 3000 13.42      
28 A" 3113 2971 0.02      
29 A" 3107 2966 5.01      
30 A" 1603 1530 7.07      
31 A" 1394 1331 0.01      
32 A" 1382 1319 1.03      
33 A" 1312 1252 0.15      
34 A" 1196 1141 0.05      
35 A" 992 947 0.53      
36 A" 833 795 0.61      
37 A" 757 723 3.73      
38 A" 615 587 52.80      
39 A" 303 289 2.96      
40 A" 252 241 0.18      
41 A" 119 113 0.00      
42 A" 89 85 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31706.4 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 30263.7 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
0.48014 0.04328 0.04092

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.275 2.646 0.000
H2 2.266 3.114 0.000
H3 0.731 2.986 0.888
H4 0.731 2.986 -0.888
C5 1.391 1.100 0.000
H6 1.952 0.773 0.885
H7 1.952 0.773 -0.885
C8 0.000 0.420 0.000
H9 -0.564 0.738 0.886
H10 -0.564 0.738 -0.886
C11 0.111 -1.134 0.000
H12 0.678 -1.451 0.886
H13 0.678 -1.451 -0.886
C14 -2.321 -2.318 0.000
H15 -3.285 -2.772 0.000
C16 -1.219 -1.787 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 H13 C14 H15 C16
C11.09541.09561.09561.55032.17992.17992.56532.79452.79453.95554.23424.23426.13057.08135.0866
H21.09541.77781.77782.19512.52232.52233.51973.79963.79964.76304.91344.91347.10988.08976.0133
H31.09561.77781.77672.18632.52743.08762.81162.59443.14304.25984.43704.77866.18407.07555.2317
H41.09561.77781.77672.18633.08762.52742.81163.14302.59444.25984.77864.43706.18407.07555.2317
C51.55032.19512.18632.18631.09791.09791.54862.17682.17682.57522.79332.79335.04706.07093.8923
H62.17992.52232.52743.08761.09791.77052.17232.51613.07692.79452.56293.11535.34816.38524.1704
H72.17992.52233.08762.52741.09791.77052.17233.07692.51612.79453.11532.56295.34816.38524.1704
C82.56533.51972.81162.81161.54862.17232.17231.09691.09691.55832.17862.17863.59024.58012.5215
H92.79453.79962.59443.14302.17682.51613.07691.09691.77162.17782.51633.07753.63504.52802.7544
H102.79453.79963.14302.59442.17683.07692.51611.09691.77162.17783.07752.51633.63504.52802.7544
C113.95554.76304.25984.25982.57522.79452.79451.55832.17782.17781.09861.09862.70543.76991.4816
H124.23424.91344.43704.77862.79332.56293.11532.17862.51633.07751.09861.77193.24564.26992.1206
H134.23424.91344.77864.43702.79333.11532.56292.17863.07752.51631.09861.77193.24564.26992.1206
C146.13057.10986.18406.18405.04705.34815.34813.59023.63503.63502.70543.24563.24561.06451.2237
H157.08138.08977.07557.07556.07096.38526.38524.58014.52804.52803.76994.26994.26991.06452.2883
C165.08666.01335.23175.23173.89234.17044.17042.52152.75442.75441.48162.12062.12061.22372.2883

picture of 1-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.617 C1 C5 H7 109.617
C1 C5 C8 111.745 H2 C1 H3 108.469
H2 C1 H4 108.469 H2 C1 C5 110.961
H3 C1 H4 108.356 H3 C1 C5 110.256
H4 C1 C5 110.256 C5 C8 H9 109.557
C5 C8 H10 109.557 C5 C8 C11 111.959
H6 C5 H7 107.474 H6 C5 C8 109.144
H7 C5 C8 109.144 C8 C11 H12 108.937
C8 C11 H13 108.937 C8 C11 C16 112.058
H9 C8 H10 107.721 H9 C8 C11 108.974
H10 C8 C11 108.974 C11 C16 C14 179.605
H12 C11 H13 107.494 H12 C11 C16 109.651
H13 C11 C16 109.651 H15 C14 C16 179.447
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 -0.530     -0.324
2 H 0.183     0.088
3 H 0.182     0.081
4 H 0.182     0.081
5 C -0.380     0.083
6 H 0.183     0.003
7 H 0.183     0.003
8 C -0.335     0.022
9 H 0.194     0.032
10 H 0.194     0.032
11 C -0.456     -0.254
12 H 0.219     0.111
13 H 0.219     0.111
14 C -0.362     -0.476
15 H 0.271     0.299
16 C 0.054     0.107


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.522 0.485 0.000 0.712
CHELPG        
AIM        
ESP 0.516 0.483 0.000 0.707


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.800 1.078 0.000
y 1.078 -40.470 0.000
z 0.000 0.000 -39.840
Traceless
 xyz
x 3.355 1.078 0.000
y 1.078 -2.149 0.000
z 0.000 0.000 -1.205
Polar
3z2-r2-2.411
x2-y23.669
xy1.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.477 2.249 0.000
y 2.249 8.296 0.000
z 0.000 0.000 6.153


<r2> (average value of r2) Å2
<r2> 270.649
(<r2>)1/2 16.451