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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.885669
Energy at 298.15K-208.890387
HF Energy-208.885669
Nuclear repulsion energy139.680057
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/daug-cc-pVTZ
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' 3336 3018 4.13      
2 A' 3309 2993 6.01      
3 A' 3244 2934 17.47      
4 A' 3162 2860 18.55      
5 A' 2571 2326 59.10      
6 A' 1847 1671 29.43      
7 A' 1601 1449 16.11      
8 A' 1539 1393 1.27      
9 A' 1439 1302 3.73      
10 A' 1421 1286 1.44      
11 A' 1217 1101 0.10      
12 A' 1080 977 5.66      
13 A' 972 879 4.04      
14 A' 608 550 0.45      
15 A' 427 386 2.25      
16 A' 196 177 5.80      
17 A" 3210 2904 16.30      
18 A" 1595 1443 7.67      
19 A" 1187 1074 3.97      
20 A" 1085 982 44.19      
21 A" 897 812 4.42      
22 A" 549 496 5.80      
23 A" 216 195 1.21      
24 A" 192 174 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 18450.1 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 16690.0 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/daug-cc-pVTZ
ABC
1.30489 0.07760 0.07423

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.643 0.440 0.000
H2 2.622 -1.088 0.873
H3 2.622 -1.088 -0.873
C4 2.246 -0.566 0.000
H5 0.272 -1.534 0.000
C6 0.752 -0.572 0.000
H7 0.421 1.499 0.000
C8 0.000 0.512 0.000
N9 -2.565 0.410 0.000
C10 -1.437 0.443 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.75991.75991.08133.08542.14442.46132.64415.20794.0798
H21.75991.74541.08432.54672.12753.50713.19385.46934.4254
H31.75991.74541.08432.54672.12753.50713.19385.46934.4254
C41.08131.08431.08432.19921.49422.75582.49184.90923.8189
H53.08542.54672.54672.19921.07573.03672.06433.43892.6133
C62.14442.12752.12751.49421.07572.09681.31933.45922.4128
H72.46133.50713.50712.75583.03672.09681.07283.17842.1369
C82.64413.19383.19382.49182.06431.31931.07282.56681.4384
N95.20795.46935.46934.90923.43893.45923.17842.56681.1285
C104.07984.42544.42543.81892.61332.41282.13691.43841.1285

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 108.715 H1 C4 H3 108.715
H1 C4 C6 111.740 H2 C4 H3 107.190
H2 C4 C6 110.177 H3 C4 C6 110.177
C4 C6 H5 116.743 C4 C6 C8 124.545
H5 C6 C8 118.713 C6 C8 H7 122.117
C6 C8 C10 122.018 H7 C8 C10 115.865
C8 C10 N9 178.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.256      
2 H 0.334      
3 H 0.334      
4 C -0.945      
5 H 0.647      
6 C 0.453      
7 H 0.463      
8 C -1.163      
9 N -1.262      
10 C 0.881      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.016 -0.646 0.000 5.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.776 0.792 0.000
y 0.792 -27.442 0.000
z 0.000 0.000 -31.302
Traceless
 xyz
x -10.404 0.792 0.000
y 0.792 8.098 0.000
z 0.000 0.000 2.307
Polar
3z2-r24.613
x2-y2-12.335
xy0.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.967 -1.614 0.000
y -1.614 7.114 0.000
z 0.000 0.000 5.495


<r2> (average value of r2) Å2
<r2> 150.105
(<r2>)1/2 12.252