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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-246.463961
Energy at 298.15K-246.471252
Nuclear repulsion energy197.291207
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/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' 3385 3055 2.66      
2 A' 3333 3008 6.52      
3 A' 3267 2949 26.62      
4 A' 3205 2892 14.92      
5 A' 3193 2882 14.75      
6 A' 2581 2330 29.62      
7 A' 1854 1673 20.99      
8 A' 1678 1514 6.01      
9 A' 1638 1478 9.53      
10 A' 1578 1424 8.89      
11 A' 1522 1374 2.61      
12 A' 1483 1339 1.52      
13 A' 1445 1304 7.32      
14 A' 1206 1088 0.96      
15 A' 1122 1012 1.26      
16 A' 1059 955 7.88      
17 A' 925 835 2.81      
18 A' 640 578 0.20      
19 A' 579 522 0.01      
20 A' 298 269 1.67      
21 A' 174 157 3.73      
22 A" 3269 2950 30.81      
23 A" 3215 2902 6.64      
24 A" 1675 1512 9.01      
25 A" 1440 1299 0.08      
26 A" 1246 1125 1.66      
27 A" 1129 1019 50.98      
28 A" 1007 909 13.80      
29 A" 842 760 1.89      
30 A" 598 540 4.29      
31 A" 303 274 0.00      
32 A" 194 175 0.03      
33 A" 126 113 2.86      

Unscaled Zero Point Vibrational Energy (zpe) 25601.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 23107.7 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 HF/3-21G*
ABC
0.48620 0.05222 0.04799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.449 2.774 0.000
C2 -0.806 1.831 0.000
H3 1.058 0.820 0.000
C4 0.000 0.656 0.000
H5 -1.592 -0.664 0.000
C6 -0.522 -0.559 0.000
H7 -0.052 -2.427 0.870
H8 -0.052 -2.427 -0.870
C9 0.255 -1.852 0.000
H10 2.255 -2.673 0.000
H11 2.122 -1.163 -0.881
H12 2.122 -1.163 0.881
C13 1.785 -1.697 0.000

Atom - Atom Distances (Å)
  N1 C2 H3 C4 H5 C6 H7 H8 C9 H10 H11 H12 C13
N11.14083.17852.56623.44083.45895.45455.45454.92946.58675.38695.38695.5176
C21.14082.12071.42532.61642.40684.41094.41093.83295.44584.27904.27904.3773
H33.17852.12071.07093.03732.09673.53963.53962.78973.69232.41602.41602.6196
C42.56621.42531.07092.06771.32153.20303.20302.52034.02052.92982.92982.9531
H53.44082.61643.03732.06771.07542.49702.49702.19604.33963.84903.84903.5315
C63.45892.40682.09671.32151.07542.11352.11351.50863.48992.85092.85092.5724
H75.45454.41093.53963.20302.49702.11351.73941.08682.47723.06362.51422.1596
H85.45454.41093.53963.20302.49702.11351.73941.08682.47722.51423.06362.1596
C94.92943.83292.78972.52032.19601.50861.08681.08682.16162.17582.17581.5379
H106.58675.44583.69234.02054.33963.48992.47722.47722.16161.75371.75371.0834
H115.38694.27902.41602.92983.84902.85093.06362.51422.17581.75371.76191.0837
H125.38694.27902.41602.92983.84902.85092.51423.06362.17581.75371.76191.0837
C135.51764.37732.61962.95313.53152.57242.15962.15961.53791.08341.08371.0837

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 179.888 C2 C4 H3 115.598
C2 C4 C6 122.331 H3 C4 C6 122.071
C4 C6 H5 118.876 C4 C6 C9 125.756
H5 C6 C9 115.367 C6 C9 H7 107.937
C6 C9 H8 107.937 C6 C9 C13 115.210
H7 C9 H8 106.306 H7 C9 C13 109.534
H8 C9 C13 109.534 C9 C13 H10 109.886
C9 C13 H11 111.004 C9 C13 H12 111.004
H10 C13 H11 108.045 H10 C13 H12 108.045
H11 C13 H12 108.761
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.514 -0.530    
2 C 0.290 0.554    
3 H 0.282 0.210    
4 C -0.224 -0.442    
5 H 0.257 0.129    
6 C -0.136 -0.063    
7 H 0.240 0.001    
8 H 0.240 0.001    
9 C -0.477 0.173    
10 H 0.218 0.060    
11 H 0.212 0.061    
12 H 0.212 0.061    
13 C -0.599 -0.213    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.053 -4.333 0.000 4.795
CHELPG 2.055 -4.266 0.000 4.735
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.373 7.292 0.000
y 7.292 -46.192 0.000
z 0.000 0.000 -38.064
Traceless
 xyz
x 3.755 7.292 0.000
y 7.292 -7.973 0.000
z 0.000 0.000 4.218
Polar
3z2-r28.437
x2-y27.819
xy7.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.866 -1.257 0.000
y -1.257 11.025 0.000
z 0.000 0.000 4.334


<r2> (average value of r2) Å2
<r2> 225.093
(<r2>)1/2 15.003