return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-282.653298
Energy at 298.15K-282.660759
HF Energy-282.653298
Nuclear repulsion energy211.596980
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 HSEh1PBE/STO-3G
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' 3542 3128 0.05      
2 A' 3367 2974 0.10      
3 A' 3292 2907 11.44      
4 A' 3264 2882 6.87      
5 A' 2435 2151 21.21      
6 A' 1702 1503 3.29      
7 A' 1681 1485 4.69      
8 A' 1647 1454 2.50      
9 A' 1582 1397 5.57      
10 A' 1525 1347 8.17      
11 A' 1448 1278 61.39      
12 A' 1261 1114 20.73      
13 A' 1210 1068 15.33      
14 A' 1125 994 3.30      
15 A' 1008 891 1.87      
16 A' 972 859 1.52      
17 A' 563 497 0.20      
18 A' 439 388 0.70      
19 A' 307 271 1.24      
20 A' 133 118 1.87      
21 A" 3545 3131 0.14      
22 A" 3395 2998 11.02      
23 A" 3353 2961 2.74      
24 A" 1679 1483 3.83      
25 A" 1382 1221 0.17      
26 A" 1290 1140 1.70      
27 A" 1236 1092 8.36      
28 A" 1065 941 0.20      
29 A" 887 783 2.06      
30 A" 379 335 0.72      
31 A" 209 185 0.15      
32 A" 126 111 4.15      
33 A" 85 75 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 25568.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 22579.4 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 HSEh1PBE/STO-3G
ABC
0.52091 0.04771 0.04484

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.435 2.374 0.000
C2 -1.407 0.831 0.000
O3 0.000 0.417 0.000
C4 -0.004 -1.047 0.000
C5 1.416 -1.523 0.000
N6 2.544 -1.907 0.000
H7 -2.474 2.727 0.000
H8 -0.928 2.765 0.892
H9 -0.928 2.765 -0.892
H10 -1.935 0.438 -0.896
H11 -1.935 0.438 0.896
H12 -0.518 -1.465 -0.898
H13 -0.518 -1.465 0.898

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.54302.42653.70824.82835.84491.09771.09741.09742.19102.19104.04844.0484
C21.54301.46662.34443.67594.80762.17562.18252.18251.11191.11192.62172.6217
O32.42651.46661.46422.40183.44633.38492.67762.67762.13262.13262.14912.1491
C43.70822.34441.46421.49812.68984.51064.02264.02262.59582.59581.11611.1161
C54.82833.67592.40181.49811.19175.76164.96744.96743.98513.98512.13332.1333
N65.84494.80763.44632.68981.19176.83115.88945.88945.13535.13533.22153.2215
H71.09772.17563.38494.51065.76166.83111.78491.78492.51642.51644.71314.7131
H81.09742.18252.67764.02264.96745.88941.78491.78323.10212.53524.61194.2504
H91.09742.18252.67764.02264.96745.88941.78491.78322.53523.10214.25044.6119
H102.19101.11192.13262.59583.98515.13532.51643.10212.53521.79192.37362.9755
H112.19101.11192.13262.59583.98515.13532.51642.53523.10211.79192.97552.3736
H124.04842.62172.14911.11612.13333.22154.71314.61194.25042.37362.97551.7967
H134.04842.62172.14911.11612.13333.22154.71314.25044.61192.97552.37361.7967

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.440 C1 C2 H10 110.173
C1 C2 H11 110.173 C2 C1 H7 109.797
C2 C1 H8 110.359 C2 C1 H9 110.359
C2 O3 C4 106.247 O3 C2 H10 110.849
O3 C2 H11 110.849 O3 C4 C5 108.338
O3 C4 H12 112.092 O3 C4 H13 112.092
C4 C5 N6 179.660 C5 C4 H12 108.503
C5 C4 H13 108.503 H7 C1 H8 108.806
H7 C1 H9 108.806 H8 C1 H9 108.674
H10 C2 H11 107.378 H12 C4 H13 107.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability