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 C6H10 (1-Hexyne)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-233.424417
Energy at 298.15K-233.433477
Nuclear repulsion energy208.078381
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 MP2/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3483 3333 39.59      
2 A' 3140 3005 39.34      
3 A' 3055 2923 50.98      
4 A' 3053 2921 29.82      
5 A' 3039 2907 18.23      
6 A' 3037 2906 7.65      
7 A' 2113 2022 0.10      
8 A' 1584 1515 5.51      
9 A' 1572 1504 1.44      
10 A' 1564 1496 0.50      
11 A' 1556 1489 0.79      
12 A' 1485 1421 2.98      
13 A' 1438 1376 0.85      
14 A' 1410 1349 3.05      
15 A' 1334 1277 1.53      
16 A' 1159 1109 4.44      
17 A' 1092 1045 0.11      
18 A' 1041 997 0.83      
19 A' 949 908 0.34      
20 A' 919 879 4.14      
21 A' 565 540 60.96      
22 A' 459 439 2.79      
23 A' 391 374 0.09      
24 A' 237 227 0.06      
25 A' 98 93 0.01      
26 A" 3139 3003 60.15      
27 A" 3110 2975 46.52      
28 A" 3078 2945 0.67      
29 A" 3072 2939 8.84      
30 A" 1573 1506 6.72      
31 A" 1369 1309 0.10      
32 A" 1359 1300 0.85      
33 A" 1301 1244 0.06      
34 A" 1177 1126 0.06      
35 A" 980 938 0.21      
36 A" 830 794 0.77      
37 A" 755 722 2.14      
38 A" 540 516 64.35      
39 A" 253 242 0.00      
40 A" 216 206 0.01      
41 A" 112 107 0.00      
42 A" 82 78 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 31358.3 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 30003.6 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 MP2/6-31G
ABC
0.47958 0.04305 0.04071

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.284 2.650 0.000
H2 2.281 3.112 0.000
H3 0.743 3.004 0.890
H4 0.743 3.004 -0.890
C5 1.384 1.107 0.000
H6 1.953 0.774 0.884
H7 1.953 0.774 -0.884
C8 0.000 0.419 0.000
H9 -0.573 0.740 0.885
H10 -0.573 0.740 -0.885
C11 0.109 -1.132 0.000
H12 0.690 -1.448 0.883
H13 0.690 -1.448 -0.883
C14 -2.336 -2.316 0.000
H15 -3.297 -2.783 0.000
C16 -1.211 -1.807 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 C11 H12 H13 C14 H15 C16
C11.09901.09971.09971.54572.17892.17892.57392.80702.80703.95964.23374.23376.14467.10685.1071
H21.09901.77971.77972.19642.52142.52143.52943.81533.81534.76724.91004.91007.12568.11636.0322
H31.09971.77971.77942.19092.53693.09572.83312.61913.16374.27754.45234.79236.21057.11425.2681
H41.09971.77971.77942.19093.09572.53692.83313.16372.61914.27754.79234.45236.21057.11425.2681
C51.54572.19642.19092.19091.10291.10291.54602.17922.17922.57642.79132.79135.05516.08723.9019
H62.17892.52142.53693.09571.10291.76882.17302.52603.08412.79502.55603.10765.35896.40314.1773
H72.17892.52143.09572.53691.10291.76882.17303.08412.52602.79503.10762.55605.35896.40314.1773
C82.57393.52942.83312.83311.54602.17302.17301.10191.10191.55452.17742.17743.59624.59642.5336
H92.80703.81532.61913.16372.17922.52603.08411.10191.77012.17962.52583.08323.63674.54072.7702
H102.80703.81533.16372.61912.17923.08412.52601.10191.77012.17963.08322.52583.63674.54072.7702
C113.95964.76724.27754.27752.57642.79502.79501.55452.17962.17961.10301.10302.71653.78591.4827
H124.23374.91004.45234.79232.79132.55603.10762.17742.52583.08321.10301.76623.26864.29622.1259
H134.23374.91004.79234.45232.79133.10762.55602.17743.08322.52581.10301.76623.26864.29622.1259
C146.14467.12566.21056.21055.05515.35895.35893.59623.63673.63672.71653.26863.26861.06941.2346
H157.10688.11637.11427.11426.08726.40316.40314.59644.54074.54073.78594.29624.29621.06942.3037
C165.10716.03225.26815.26813.90194.17734.17732.53362.77022.77021.48272.12592.12591.23462.3037

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 109.571 C1 C5 H7 109.571
C1 C5 C8 112.712 H2 C1 H3 108.079
H2 C1 H4 108.079 H2 C1 C5 111.174
H3 C1 H4 107.997 H3 C1 C5 110.696
H4 C1 C5 110.696 C5 C8 H9 109.629
C5 C8 H10 109.629 C5 C8 C11 112.396
H6 C5 H7 106.620 H6 C5 C8 109.090
H7 C5 C8 109.090 C8 C11 H12 108.852
C8 C11 H13 108.852 C8 C11 C16 113.045
H9 C8 H10 106.863 H9 C8 C11 109.083
H10 C8 C11 109.083 C11 C16 C14 177.266
H12 C11 H13 106.387 H12 C11 C16 109.740
H13 C11 C16 109.740 H15 C14 C16 178.408
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability