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All results from a given calculation for C5H6 (3-Penten-1-yne, (Z)-)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-192.764610
Energy at 298.15K-192.769505
Nuclear repulsion energy141.340415
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 HF/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 A' 3634 3300 82.20      
2 A' 3349 3041 19.67      
3 A' 3318 3013 12.43      
4 A' 3292 2989 5.23      
5 A' 3177 2885 32.03      
6 A' 2386 2167 4.46      
7 A' 1855 1685 9.43      
8 A' 1580 1435 8.20      
9 A' 1541 1400 1.44      
10 A' 1496 1359 7.66      
11 A' 1353 1228 0.42      
12 A' 1202 1092 0.10      
13 A' 1024 930 17.90      
14 A' 951 863 1.09      
15 A' 802 728 42.10      
16 A' 701 637 2.56      
17 A' 409 371 8.68      
18 A' 175 159 0.43      
19 A" 3234 2936 26.68      
20 A" 1582 1437 6.98      
21 A" 1165 1058 0.94      
22 A" 1087 987 1.99      
23 A" 823 748 31.29      
24 A" 768 698 42.29      
25 A" 552 501 13.37      
26 A" 304 276 2.78      
27 A" 154 140 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 20958.3 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 19030.1 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 HF/cc-pVDZ
ABC
0.40430 0.11019 0.08800

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.161 -0.938 0.000
C2 2.246 -0.395 0.000
C3 1.217 0.213 0.000
H4 0.129 2.060 0.000
C5 0.000 0.985 0.000
H6 -2.053 1.174 0.000
C7 -1.226 0.472 0.000
H8 -0.713 -1.621 0.000
H9 -2.197 -1.217 0.879
H10 -2.197 -1.217 -0.879
C11 -1.592 -0.981 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06362.25874.26383.69985.62564.60773.93295.43685.43684.7531
C21.06361.19513.24182.63634.57703.57883.20294.60394.60393.8831
C32.25871.19512.14381.44153.40902.45702.66243.80513.80513.0527
H44.26383.24182.14381.08262.35542.08743.77604.11404.11403.4940
C53.69982.63631.44151.08262.06221.32912.70183.23303.23302.5298
H65.62564.57703.40902.35542.06221.08513.10002.55182.55182.2035
C74.60773.57882.45702.08741.32911.08512.15512.13782.13781.4982
H83.93293.20292.66243.77602.70183.10002.15511.77231.77231.0881
H95.43684.60393.80514.11403.23302.55182.13781.77231.75871.0933
H105.43684.60393.80514.11403.23302.55182.13781.77231.75871.0933
C114.75313.88313.05273.49402.52982.20351.49821.08811.09331.0933

picture of 3-Penten-1-yne, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 179.850 C2 C3 C5 178.189
C3 C5 H4 115.548 C3 C5 C7 124.905
H4 C5 C7 119.547 C5 C7 H6 116.981
C5 C7 C11 126.864 H6 C7 C11 116.155
C7 C11 H8 111.896 C7 C11 H9 110.188
C7 C11 H10 110.188 H8 C11 H9 108.671
H8 C11 H10 108.671 H9 C11 H10 107.088
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.042 0.300    
2 C -0.356 -0.480    
3 C 0.266 0.160    
4 H 0.052 0.127    
5 C -0.100 -0.213    
6 H 0.034 0.091    
7 C -0.110 -0.104    
8 H 0.055 -0.027    
9 H 0.048 -0.030    
10 H 0.048 -0.030    
11 C 0.021 0.206    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.888 -0.186 0.000 0.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.755 -2.252 0.000
y -2.252 -28.823 0.000
z 0.000 0.000 -33.271
Traceless
 xyz
x 5.292 -2.252 0.000
y -2.252 0.690 0.000
z 0.000 0.000 -5.982
Polar
3z2-r2-11.965
x2-y23.068
xy-2.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.954 -0.552 0.000
y -0.552 6.719 0.000
z 0.000 0.000 4.040


<r2> (average value of r2) Å2
<r2> 133.851
(<r2>)1/2 11.569