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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-51.391923
Energy at 298.15K-51.399976
HF Energy-51.391923
Nuclear repulsion energy118.763468
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/CEP-121G*
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' 3268 2953 53.40      
2 A' 3202 2893 42.40      
3 A' 3196 2887 35.61      
4 A' 3165 2859 54.00      
5 A' 2570 2322 3.23      
6 A' 1667 1506 2.04      
7 A' 1644 1485 2.81      
8 A' 1630 1472 3.17      
9 A' 1592 1438 5.54      
10 A' 1546 1396 58.11      
11 A' 1515 1369 78.19      
12 A' 1288 1164 254.53      
13 A' 1254 1133 37.99      
14 A' 1131 1022 23.27      
15 A' 1011 913 28.74      
16 A' 959 866 0.35      
17 A' 601 543 1.41      
18 A' 444 401 1.74      
19 A' 326 294 2.45      
20 A' 143 129 4.03      
21 A" 3282 2965 58.13      
22 A" 3243 2930 36.19      
23 A" 3201 2892 62.13      
24 A" 1614 1458 4.40      
25 A" 1417 1280 5.81      
26 A" 1381 1248 2.49      
27 A" 1289 1165 7.49      
28 A" 1133 1024 4.66      
29 A" 878 793 0.00      
30 A" 407 367 2.61      
31 A" 266 240 0.62      
32 A" 117 106 8.45      
33 A" 77 70 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25228.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 22791.1 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/CEP-121G*
ABC
0.51636 0.04997 0.04675

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.785 2.595 0.000
C2 -1.181 1.124 0.000
O3 0.000 0.344 0.000
C4 -0.247 -1.025 0.000
C5 1.054 -1.751 0.000
N6 2.025 -2.341 0.000
H7 -1.675 3.219 0.000
H8 -0.196 2.830 0.881
H9 -0.196 2.830 -0.881
H10 -1.777 0.885 -0.882
H11 -1.777 0.885 0.882
H12 -0.802 -1.337 -0.883
H13 -0.802 -1.337 0.883

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.52332.38363.65964.71915.67991.08701.08531.08532.16442.16444.02994.0299
C21.52331.41502.34323.64154.72072.15222.15772.15771.09071.09072.64192.6419
O32.38361.41501.39112.34563.36343.32692.64412.64412.05602.05602.06112.0611
C43.65962.34321.39111.48942.62534.47763.95423.95422.60152.60151.08831.0883
C54.71913.64152.34561.48941.13645.66994.82944.82943.96753.96752.09582.0958
N65.67994.72073.36342.62531.13646.67865.69625.69625.06375.06373.12663.1266
H71.08702.15223.32694.47765.66996.67861.76501.76502.49662.49664.72204.7220
H81.08532.15772.64413.95424.82945.69621.76501.76183.06392.50614.56494.2106
H91.08532.15772.64413.95424.82945.69621.76501.76182.50613.06394.21064.5649
H102.16441.09072.05602.60153.96755.06372.49663.06392.50611.76352.42693.0004
H112.16441.09072.05602.60153.96755.06372.49662.50613.06391.76353.00042.4269
H124.02992.64192.06111.08832.09583.12664.72204.56494.21062.42693.00041.7650
H134.02992.64192.06111.08832.09583.12664.72204.21064.56493.00042.42691.7650

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.369 C1 C2 H10 110.699
C1 C2 H11 110.699 C2 C1 H7 109.949
C2 C1 H8 110.482 C2 C1 H9 110.482
C2 O3 C4 113.233 O3 C2 H10 109.592
O3 C2 H11 109.592 O3 C4 C5 108.992
O3 C4 H12 111.885 O3 C4 H13 111.885
C4 C5 N6 177.923 C5 C4 H12 107.773
C5 C4 H13 107.773 H7 C1 H8 108.681
H7 C1 H9 108.681 H8 C1 H9 108.515
H10 C2 H11 107.880 H12 C4 H13 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability