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 C4H10O2 (1,4-Butanediol)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-307.913066
Energy at 298.15K-307.924811
HF Energy-306.989670
Nuclear repulsion energy244.778200
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3822 3588 0.00      
2 Ag 3098 2907 0.00      
3 Ag 3049 2862 0.00      
4 Ag 1593 1495 0.00      
5 Ag 1559 1463 0.00      
6 Ag 1523 1429 0.00      
7 Ag 1434 1346 0.00      
8 Ag 1311 1230 0.00      
9 Ag 1131 1062 0.00      
10 Ag 1104 1036 0.00      
11 Ag 1077 1011 0.00      
12 Ag 372 349 0.00      
13 Ag 347 325 0.00      
14 Au 3159 2965 73.07      
15 Au 3084 2894 93.08      
16 Au 1364 1280 2.52      
17 Au 1255 1178 4.22      
18 Au 980 920 2.82      
19 Au 773 726 0.22      
20 Au 295 277 269.03      
21 Au 99 93 19.41      
22 Au 83 78 4.37      
23 Bg 3137 2945 0.00      
24 Bg 3085 2895 0.00      
25 Bg 1356 1273 0.00      
26 Bg 1327 1246 0.00      
27 Bg 1222 1147 0.00      
28 Bg 842 791 0.00      
29 Bg 290 272 0.00      
30 Bg 161 151 0.00      
31 Bu 3822 3588 41.10      
32 Bu 3105 2914 50.99      
33 Bu 3049 2862 90.02      
34 Bu 1595 1497 5.55      
35 Bu 1567 1471 5.12      
36 Bu 1515 1422 14.98      
37 Bu 1353 1270 107.36      
38 Bu 1244 1168 49.88      
39 Bu 1131 1061 169.83      
40 Bu 1034 970 1.30      
41 Bu 533 501 40.80      
42 Bu 143 134 7.32      

Unscaled Zero Point Vibrational Energy (zpe) 32009.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 30044.2 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 MP3/6-31G*
ABC
0.57131 0.03834 0.03693

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.514 2.643 0.000
O2 -1.514 -2.643 0.000
C3 1.514 1.218 0.000
C4 -1.514 -1.218 0.000
C5 0.065 0.761 0.000
C6 -0.065 -0.761 0.000
H7 2.434 2.942 0.000
H8 -2.434 -2.942 0.000
H9 -0.429 1.189 0.881
H10 -0.429 1.189 -0.881
H11 0.429 -1.189 0.881
H12 0.429 -1.189 -0.881
H13 -2.030 -0.823 -0.888
H14 -2.030 -0.823 0.888
H15 2.030 0.823 -0.888
H16 2.030 0.823 0.888

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.09131.42484.90632.37423.75280.96806.83912.58142.58144.07864.07865.03615.03612.08972.0897
O26.09134.90631.42483.75282.37426.83910.96804.07864.07862.58142.58142.08972.08975.03615.0361
C31.42484.90633.88581.51842.53231.95405.73502.13322.13322.78312.78314.18524.18521.10061.1006
C44.90631.42483.88582.53231.51845.73501.95402.78312.78312.13322.13321.10061.10064.18524.1852
C52.37423.75281.51842.53231.52853.21944.46791.09671.09672.17072.17072.77352.77352.15712.1571
C63.75282.37422.53231.51841.52854.46793.21942.17072.17071.09671.09672.15712.15712.77352.7735
H70.96806.83911.95405.73503.21944.46797.63663.47083.47084.67534.67535.90735.90732.33222.3322
H86.83910.96805.73501.95404.46793.21947.63664.67534.67533.47083.47082.33222.33225.90735.9073
H92.58144.07862.13322.78311.09672.17073.47084.67531.76102.52823.08113.12092.57163.05132.4867
H102.58144.07862.13322.78311.09672.17073.47084.67531.76103.08112.52822.57163.12092.48673.0513
H114.07862.58142.78312.13322.17071.09674.67533.47082.52823.08111.76103.05132.48673.12092.5716
H124.07862.58142.78312.13322.17071.09674.67533.47083.08112.52821.76102.48673.05132.57163.1209
H135.03612.08974.18521.10062.77352.15715.90732.33223.12092.57163.05132.48671.77554.38204.7280
H145.03612.08974.18521.10062.77352.15715.90732.33222.57163.12092.48673.05131.77554.72804.3820
H152.08975.03611.10064.18522.15712.77352.33225.90733.05132.48673.12092.57164.38204.72801.7755
H162.08975.03611.10064.18522.15712.77352.33225.90732.48673.05132.57163.12094.72804.38201.7755

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 107.504 O1 C3 H15 111.033
O1 C3 H16 111.033 O2 C4 C6 107.504
O2 C4 H13 111.033 O2 C4 H14 111.033
C3 O1 H7 107.975 C3 C5 C6 112.419
C3 C5 H9 108.233 C3 C5 H10 108.233
C4 O2 H8 107.975 C4 C6 C5 112.419
C4 C6 H11 108.233 C4 C6 H12 108.233
C5 C3 H15 109.873 C5 C3 H16 109.873
C5 C6 H11 110.474 C5 C6 H12 110.474
C6 C4 H13 109.873 C6 C4 H14 109.873
C6 C5 H9 110.474 C6 C5 H10 110.474
H9 C5 H10 106.810 H11 C6 H12 106.810
H13 C4 H14 107.535 H15 C3 H16 107.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability