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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: B1B95/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-323.663240
Energy at 298.15K-323.672328
Nuclear repulsion energy 
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/aug-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 3761 3603 53.18      
2 A 3632 3480 28.44      
3 A 3173 3039 18.13      
4 A 3165 3032 16.56      
5 A 3091 2961 20.68      
6 A 3078 2948 13.50      
7 A 3031 2903 37.82      
8 A 1845 1767 586.51      
9 A 1615 1547 151.34      
10 A 1500 1437 0.30      
11 A 1477 1415 2.48      
12 A 1458 1396 6.77      
13 A 1418 1358 17.16      
14 A 1386 1328 126.75      
15 A 1348 1292 249.92      
16 A 1294 1239 1.84      
17 A 1168 1119 4.21      
18 A 1160 1111 50.25      
19 A 1128 1081 75.21      
20 A 1087 1041 33.55      
21 A 1005 963 17.53      
22 A 871 834 10.41      
23 A 830 795 0.45      
24 A 776 743 22.62      
25 A 574 550 20.42      
26 A 557 534 7.02      
27 A 531 509 41.25      
28 A 382 366 1.30      
29 A 317 304 144.94      
30 A 253 242 0.58      
31 A 218 209 3.09      
32 A 116 111 1.08      
33 A 95 91 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 23669.1 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 22672.6 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 B1B95/aug-cc-pVDZ
ABC
0.29640 0.07148 0.05898

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.546 -0.245 0.038
H2 2.682 -0.868 -0.851
H3 3.358 0.489 0.079
H4 2.606 -0.884 0.924
C5 1.218 0.466 -0.011
H6 1.069 1.086 0.883
H7 1.162 1.109 -0.903
O8 0.196 -0.529 -0.074
N9 -1.376 1.159 0.066
H10 -0.715 1.846 -0.255
H11 -2.351 1.390 -0.030
C12 -1.107 -0.183 -0.008
O13 -1.961 -1.035 0.021

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09401.09501.09401.50722.16052.15242.36894.16553.88475.16253.65384.5753
H21.09401.77801.77652.15183.07062.49442.62634.62794.38905.57683.94214.7271
H31.09501.77801.77822.14212.49872.48423.32444.78094.30615.78014.51605.5328
H41.09401.77651.77822.15042.49933.06502.63224.55714.45785.53633.89234.6579
C51.50722.15182.14212.15041.09811.10081.42702.68572.38743.68602.41373.5153
H62.16053.07062.49872.49931.09811.78852.06982.57862.24803.55212.67173.7974
H72.15242.49442.48423.06501.10081.78852.07372.71672.11823.63002.75983.8987
O82.36892.62633.32442.63221.42702.06982.07372.31092.55013.18921.35052.2180
N94.16554.62794.78094.55712.68572.57862.71672.31091.00551.00621.37032.2713
H103.88474.38904.30614.45782.38742.24802.11822.55011.00551.71252.08083.1510
H115.16255.57685.78015.53633.68603.55213.63003.18921.00621.71252.00492.4569
C123.65383.94214.51603.89232.41372.67172.75981.35051.37032.08082.00491.2068
O134.57534.72715.53284.65793.51533.79743.89872.21802.27133.15102.45691.2068

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.074 C1 C5 H7 110.270
C1 C5 O8 107.646 H2 C1 H3 108.629
H2 C1 H4 108.570 H2 C1 C5 110.625
H3 C1 H4 108.653 H3 C1 C5 109.793
H4 C1 C5 110.517 C5 O8 C12 120.667
H6 C5 H7 108.853 H6 C5 O8 109.417
H7 C5 O8 109.561 O8 C12 N9 116.285
O8 C12 O13 120.195 N9 C12 O13 123.487
H10 N9 H11 116.698 H10 N9 C12 121.527
H11 N9 C12 114.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.415      
2 H -0.142      
3 H -0.129      
4 H -0.140      
5 C 1.211      
6 H -0.415      
7 H -0.474      
8 O -0.532      
9 N 0.074      
10 H -0.011      
11 H -0.075      
12 C 0.741      
13 O -0.525      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.665 4.395 -0.515 5.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.110 0.253 -0.044
y 0.253 8.358 -0.011
z -0.044 -0.011 6.326


<r2> (average value of r2) Å2
<r2> 190.891
(<r2>)1/2 13.816