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All results from a given calculation for C4H5N ((E)-2-Butenenitrile)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-210.088546
Energy at 298.15K-210.092972
HF Energy-210.088546
Nuclear repulsion energy138.351057
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 wB97X-D/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' 3224 3072 4.11      
2 A' 3208 3056 6.61      
3 A' 3163 3013 11.43      
4 A' 3064 2919 14.07      
5 A' 2378 2266 34.61      
6 A' 1744 1661 24.53      
7 A' 1498 1427 20.29      
8 A' 1428 1360 3.52      
9 A' 1350 1286 1.72      
10 A' 1327 1264 0.57      
11 A' 1144 1090 0.03      
12 A' 1049 1000 6.93      
13 A' 921 877 7.46      
14 A' 563 536 0.02      
15 A' 400 381 1.31      
16 A' 176 168 4.37      
17 A" 3133 2985 8.43      
18 A" 1482 1412 11.38      
19 A" 1077 1026 0.91      
20 A" 986 939 49.71      
21 A" 808 769 2.34      
22 A" 496 473 4.27      
23 A" 181 172 1.08      
24 A" 171 163 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 17485.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 16656.6 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 wB97X-D/cc-pVDZ
ABC
1.27541 0.07648 0.07313

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.651 0.440 0.000
H2 2.638 -1.103 0.880
H3 2.638 -1.103 -0.880
C4 2.252 -0.578 0.000
H5 0.267 -1.560 0.000
C6 0.758 -0.589 0.000
H7 0.444 1.506 0.000
C8 0.000 0.514 0.000
N9 -2.589 0.427 0.000
C10 -1.430 0.457 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.77621.77621.09303.11162.15422.45172.65245.24024.0811
H21.77621.76011.09522.56982.13813.52103.21715.51694.4447
H31.77621.76011.09522.56982.13813.52103.21715.51694.4447
C41.09301.09521.09522.21461.49372.75922.50304.94423.8245
H53.11162.56982.56982.21461.08813.07102.09123.47902.6357
C62.15422.13812.13811.49371.08812.11851.33883.49812.4253
H72.45173.52103.52102.75923.07102.11851.08653.21892.1472
C82.65243.21713.21712.50302.09121.33881.08652.59041.4309
N95.24025.51695.51694.94423.47903.49813.21892.59041.1595
C104.08114.44474.44473.82452.63572.42532.14721.43091.1595

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.532 H1 C4 H3 108.532
H1 C4 C6 111.846 H2 C4 H3 106.949
H2 C4 C6 110.414 H3 C4 C6 110.414
C4 C6 H5 117.264 C4 C6 C8 124.085
H5 C6 C8 118.651 C6 C8 H7 121.388
C6 C8 C10 122.215 H7 C8 C10 116.398
C8 C10 N9 179.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.172      
2 H 0.183      
3 H 0.183      
4 C -0.596      
5 H 0.182      
6 C 0.024      
7 H 0.189      
8 C 0.350      
9 N -0.457      
10 C -0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.865 -0.640 0.000 4.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.047 0.802 0.000
y 0.802 -27.253 0.000
z 0.000 0.000 -31.158
Traceless
 xyz
x -9.841 0.802 0.000
y 0.802 7.849 0.000
z 0.000 0.000 1.992
Polar
3z2-r23.984
x2-y2-11.793
xy0.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.577 -1.749 0.000
y -1.749 6.856 0.000
z 0.000 0.000 4.960


<r2> (average value of r2) Å2
<r2> 151.830
(<r2>)1/2 12.322