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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-357.358877
Energy at 298.15K-357.366615
HF Energy-357.358877
Nuclear repulsion energy246.311981
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 B1B95/3-21G
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' 3178 3040 9.69      
2 A' 3123 2987 4.37      
3 A' 3100 2965 7.15      
4 A' 1574 1506 8.28      
5 A' 1561 1494 6.93      
6 A' 1475 1411 190.79      
7 A' 1465 1401 14.31      
8 A' 1382 1322 1.90      
9 A' 1164 1114 91.37      
10 A' 1138 1089 152.00      
11 A' 1026 982 57.18      
12 A' 920 880 58.66      
13 A' 847 810 101.93      
14 A' 670 641 2.73      
15 A' 516 494 1.19      
16 A' 372 356 3.97      
17 A' 221 211 0.29      
18 A" 3196 3058 20.75      
19 A" 3170 3033 1.41      
20 A" 1551 1484 10.31      
21 A" 1299 1242 0.15      
22 A" 1184 1133 5.49      
23 A" 855 818 2.62      
24 A" 685 655 15.76      
25 A" 252 241 0.47      
26 A" 132 126 1.86      
27 A" 77 73 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 18064.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17281.8 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 B1B95/3-21G
ABC
0.31685 0.07199 0.05999

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.119 -0.320 0.000
O2 0.000 0.631 0.000
O3 2.232 0.228 0.000
O4 0.806 -1.534 0.000
C5 -1.283 -0.106 0.000
C6 -2.331 0.994 0.000
H7 -1.337 -0.735 0.888
H8 -1.337 -0.735 -0.888
H9 -3.328 0.549 0.000
H10 -2.222 1.619 0.887
H11 -2.222 1.619 -0.887

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.46821.24061.25412.41153.69172.64422.64424.53123.96313.9631
O21.46822.26802.31061.47972.35932.10762.10763.32952.58852.5885
O31.24062.26802.26683.53104.62703.80183.80185.56964.74984.7498
O41.25412.31062.26682.53124.02942.45382.45384.62984.46104.4610
C52.41151.47973.53102.53121.51911.08951.08952.14742.15462.1546
C63.69172.35934.62704.02941.51912.18302.18301.09201.09041.0904
H72.64422.10763.80182.45381.08952.18301.77542.53022.51473.0778
H82.64422.10763.80182.45381.08952.18301.77542.53023.07782.5147
H94.53123.32955.56964.62982.14741.09202.53022.53021.77631.7763
H103.96312.58854.74984.46102.15461.09042.51473.07781.77631.7737
H113.96312.58854.74984.46102.15461.09043.07782.51471.77631.7737

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 109.779 O2 N1 O3 113.441
O2 N1 O4 115.931 O2 C5 C6 103.761
O2 C5 H7 109.298 O2 C5 H8 109.298
O3 N1 O4 130.628 C5 C6 H9 109.570
C5 C6 H10 110.234 C5 C6 H11 110.234
C6 C5 H7 112.581 C6 C5 H8 112.581
H7 C5 H8 109.140 H9 C6 H10 108.961
H9 C6 H11 108.961 H10 C6 H11 108.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.523      
2 O -0.322      
3 O -0.268      
4 O -0.284      
5 C -0.206      
6 C -0.641      
7 H 0.247      
8 H 0.247      
9 H 0.226      
10 H 0.239      
11 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.232 0.070 0.000 3.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.486 -0.399 0.000
y -0.399 -37.494 0.000
z 0.000 0.000 -32.922
Traceless
 xyz
x 0.722 -0.399 0.000
y -0.399 -3.790 0.000
z 0.000 0.000 3.068
Polar
3z2-r26.136
x2-y23.008
xy-0.399
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.892 -0.155 0.000
y -0.155 5.593 0.000
z 0.000 0.000 3.502


<r2> (average value of r2) Å2
<r2> 181.590
(<r2>)1/2 13.476