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All results from a given calculation for C5H7N ((E)-2-Pentenenitrile)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-247.737517
Energy at 298.15K-247.744699
Nuclear repulsion energy196.777205
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/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' 3395 3066 3.81      
2 A' 3340 3015 9.82      
3 A' 3270 2952 36.72      
4 A' 3195 2885 20.76      
5 A' 3175 2866 26.06      
6 A' 2543 2296 59.27      
7 A' 1867 1686 24.81      
8 A' 1665 1503 6.56      
9 A' 1637 1478 8.23      
10 A' 1583 1429 7.42      
11 A' 1537 1388 5.07      
12 A' 1481 1337 2.57      
13 A' 1448 1307 4.86      
14 A' 1216 1098 0.96      
15 A' 1161 1048 1.50      
16 A' 1072 968 8.38      
17 A' 956 863 3.03      
18 A' 628 567 0.20      
19 A' 558 503 0.01      
20 A' 285 257 1.64      
21 A' 165 149 4.83      
22 A" 3267 2950 42.33      
23 A" 3200 2889 14.24      
24 A" 1659 1498 9.24      
25 A" 1427 1288 0.32      
26 A" 1250 1129 2.18      
27 A" 1128 1018 48.91      
28 A" 993 897 12.01      
29 A" 839 758 1.18      
30 A" 527 476 4.33      
31 A" 292 264 0.00      
32 A" 189 170 0.11      
33 A" 124 112 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 25533.6 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 23054.3 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/6-31G
ABC
0.49201 0.05164 0.04754

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.464 2.786 0.000
C2 -0.816 1.838 0.000
H3 1.057 0.838 0.000
C4 0.000 0.664 0.000
H5 -1.583 -0.673 0.000
C6 -0.512 -0.563 0.000
H7 -0.049 -2.429 0.865
H8 -0.049 -2.429 -0.865
C9 0.265 -1.849 0.000
H10 2.248 -2.695 0.000
H11 2.139 -1.185 -0.878
H12 2.139 -1.185 0.878
C13 1.788 -1.714 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.14853.18612.57863.46163.48225.47255.47254.94766.61995.43425.43425.5525
C21.14852.12351.43012.62532.42024.42064.42063.84245.47144.31834.31834.4045
H33.18612.12351.07143.04182.10383.55623.55622.80193.72852.45732.45732.6553
C42.57861.43011.07142.07171.32933.21163.21162.52694.04152.96092.96092.9751
H53.46162.62533.04182.07171.07632.48642.48642.19024.33153.85823.85823.5274
C63.48222.42022.10381.32931.07632.10802.10801.50263.48752.86132.86132.5717
H75.47254.42063.55623.21162.48642.10801.73021.08762.46923.06172.51692.1522
H85.47254.42063.55623.21162.48642.10801.73021.08762.46922.51693.06172.1522
C94.94763.84242.80192.52692.19021.50261.08761.08762.15592.17362.17361.5285
H106.61995.47143.72854.04154.33153.48752.46922.46922.15591.74961.74961.0831
H115.43424.31832.45732.96093.85822.86133.06172.51692.17361.74961.75661.0839
H125.43424.31832.45732.96093.85822.86132.51693.06172.17361.74961.75661.0839
C135.55254.40452.65532.97513.52742.57172.15222.15221.52851.08311.08391.0839

picture of (E)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 179.513 C2 C4 H3 115.429
C2 C4 C6 122.536 H3 C4 C6 122.034
C4 C6 H5 118.521 C4 C6 C9 126.212
H5 C6 C9 115.267 C6 C9 H7 107.864
C6 C9 H8 107.864 C6 C9 C13 116.076
H7 C9 H8 105.385 H7 C9 C13 109.553
H8 C9 C13 109.553 C9 C13 H10 110.109
C9 C13 H11 111.479 C9 C13 H12 111.479
H10 C13 H11 107.683 H10 C13 H12 107.683
H11 C13 H12 108.251
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.311 -0.570    
2 C 0.033 0.577    
3 H 0.237 0.192    
4 C -0.118 -0.414    
5 H 0.211 0.112    
6 C -0.097 -0.045    
7 H 0.186 -0.016    
8 H 0.186 -0.016    
9 C -0.359 0.215    
10 H 0.169 0.042    
11 H 0.165 0.040    
12 H 0.165 0.040    
13 C -0.465 -0.156    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.209 -4.637 0.000 5.136
CHELPG 2.203 -4.567 0.000 5.071
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.875 7.929 0.000
y 7.929 -47.174 0.000
z 0.000 0.000 -37.858
Traceless
 xyz
x 3.641 7.929 0.000
y 7.929 -8.808 0.000
z 0.000 0.000 5.167
Polar
3z2-r210.333
x2-y28.299
xy7.929
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.224 -1.390 0.000
y -1.390 11.764 0.000
z 0.000 0.000 4.732


<r2> (average value of r2) Å2
<r2> 227.180
(<r2>)1/2 15.072